Kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags
Priority LOW 36CWE-787Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 35 fixed, 1 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-787 and the CVSS impact.
Summary
An out-of-bounds memory access flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user generates a malicious (too big) networking packet when napi frags is enabled. This flaw allows a local user to crash or potentially escalate their privileges on the system.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00344 28th percentileScored 2026-11-07
Fix Partial Red Hat: 23 advisoriesRed Hat: 35 fixed, 1 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 8 | — | 4.18.0-513.9.1.rt7.311.el8_9 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8 | — | 4.18.0-513.9.1.el8_9 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8 | — | — | Not affected | CNA |
| Red Hat | Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions | — | — | Not affected | CNA |
| Red Hat | Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions | — | 4.18.0-147.94.1.el8_1 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.2 Advanced Update Support | — | 4.18.0-193.133.1.el8_2 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.2 Telecommunications Update Service | — | 4.18.0-193.133.1.rt13.184.el8_2 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.2 Telecommunications Update Service | — | 4.18.0-193.133.1.el8_2 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions | — | — | Not affected | CNA |
| Red Hat | Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions | — | 4.18.0-193.133.1.el8_2 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | — | 4.18.0-305.120.1.el8_4 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.4 Telecommunications Update Service | — | 4.18.0-305.120.1.rt7.196.el8_4 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.4 Telecommunications Update Service | — | 4.18.0-305.120.1.el8_4 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions | — | 4.18.0-305.120.1.el8_4 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions | — | — | Not affected | CNA |
| Red Hat | Red Hat Enterprise Linux 8.6 Extended Update Support | — | — | Not affected | CNA |
| Red Hat | Red Hat Enterprise Linux 8.6 Extended Update Support | — | 4.18.0-372.87.1.el8_6 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.8 Extended Update Support | — | — | Not affected | CNA |
| Red Hat | Red Hat Enterprise Linux 8.8 Extended Update Support | — | 4.18.0-477.43.1.el8_8 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9 | — | 5.14.0-362.18.1.el9_3 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9 | — | — | Not affected | CNA |
| Red Hat | Red Hat Enterprise Linux 9 | — | 5.14.0-362.18.1.el9_3 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9.0 Extended Update Support | — | 5.14.0-70.80.1.el9_0 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9.0 Extended Update Support | — | 5.14.0-70.80.1.rt21.151.el9_0 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9.0 Extended Update Support | — | — | Not affected | CNA |
| Red Hat | Red Hat Enterprise Linux 9.2 Extended Update Support | — | 5.14.0-284.40.1.el9_2 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9.2 Extended Update Support | — | 5.14.0-284.40.1.rt14.325.el9_2 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9.2 Extended Update Support | — | — | Not affected | CNA |
| Red Hat | Red Hat Virtualization 4 for Red Hat Enterprise Linux 8 | — | 4.18.0-372.87.1.el8_6 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 6 | — | — | Not affected | CNA |
| Red Hat | Red Hat Enterprise Linux 7 | — | — | Not affected | CNA |
| Red Hat | Red Hat Enterprise Linux 7 | — | — | Not affected | CNA |
| Red Hat | Red Hat Enterprise Linux 9 | — | — | No fix listed | CNA |
- Red Hat Enterprise Linux 8 VendorRed Hat Affected — Fixed in 4.18.0-513.9.1.rt7.311.el8_9 Patch available CNA
- Red Hat Enterprise Linux 8 VendorRed Hat Affected — Fixed in 4.18.0-513.9.1.el8_9 Patch available CNA
- Red Hat Enterprise Linux 8 VendorRed Hat Affected — Fixed in — Not affected CNA
- Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions VendorRed Hat Affected — Fixed in — Not affected CNA
- Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions VendorRed Hat Affected — Fixed in 4.18.0-147.94.1.el8_1 Patch available CNA
- Red Hat Enterprise Linux 8.2 Advanced Update Support VendorRed Hat Affected — Fixed in 4.18.0-193.133.1.el8_2 Patch available CNA
- Red Hat Enterprise Linux 8.2 Telecommunications Update Service VendorRed Hat Affected — Fixed in 4.18.0-193.133.1.rt13.184.el8_2 Patch available CNA
- Red Hat Enterprise Linux 8.2 Telecommunications Update Service VendorRed Hat Affected — Fixed in 4.18.0-193.133.1.el8_2 Patch available CNA
- Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions VendorRed Hat Affected — Fixed in — Not affected CNA
- Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions VendorRed Hat Affected — Fixed in 4.18.0-193.133.1.el8_2 Patch available CNA
- Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support VendorRed Hat Affected — Fixed in 4.18.0-305.120.1.el8_4 Patch available CNA
- Red Hat Enterprise Linux 8.4 Telecommunications Update Service VendorRed Hat Affected — Fixed in 4.18.0-305.120.1.rt7.196.el8_4 Patch available CNA
- Red Hat Enterprise Linux 8.4 Telecommunications Update Service VendorRed Hat Affected — Fixed in 4.18.0-305.120.1.el8_4 Patch available CNA
- Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions VendorRed Hat Affected — Fixed in 4.18.0-305.120.1.el8_4 Patch available CNA
- Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions VendorRed Hat Affected — Fixed in — Not affected CNA
- Red Hat Enterprise Linux 8.6 Extended Update Support VendorRed Hat Affected — Fixed in — Not affected CNA
- Red Hat Enterprise Linux 8.6 Extended Update Support VendorRed Hat Affected — Fixed in 4.18.0-372.87.1.el8_6 Patch available CNA
- Red Hat Enterprise Linux 8.8 Extended Update Support VendorRed Hat Affected — Fixed in — Not affected CNA
- Red Hat Enterprise Linux 8.8 Extended Update Support VendorRed Hat Affected — Fixed in 4.18.0-477.43.1.el8_8 Patch available CNA
- Red Hat Enterprise Linux 9 VendorRed Hat Affected — Fixed in 5.14.0-362.18.1.el9_3 Patch available CNA
- Red Hat Enterprise Linux 9 VendorRed Hat Affected — Fixed in — Not affected CNA
- Red Hat Enterprise Linux 9 VendorRed Hat Affected — Fixed in 5.14.0-362.18.1.el9_3 Patch available CNA
- Red Hat Enterprise Linux 9.0 Extended Update Support VendorRed Hat Affected — Fixed in 5.14.0-70.80.1.el9_0 Patch available CNA
- Red Hat Enterprise Linux 9.0 Extended Update Support VendorRed Hat Affected — Fixed in 5.14.0-70.80.1.rt21.151.el9_0 Patch available CNA
- Red Hat Enterprise Linux 9.0 Extended Update Support VendorRed Hat Affected — Fixed in — Not affected CNA
- Red Hat Enterprise Linux 9.2 Extended Update Support VendorRed Hat Affected — Fixed in 5.14.0-284.40.1.el9_2 Patch available CNA
- Red Hat Enterprise Linux 9.2 Extended Update Support VendorRed Hat Affected — Fixed in 5.14.0-284.40.1.rt14.325.el9_2 Patch available CNA
- Red Hat Enterprise Linux 9.2 Extended Update Support VendorRed Hat Affected — Fixed in — Not affected CNA
- Red Hat Virtualization 4 for Red Hat Enterprise Linux 8 VendorRed Hat Affected — Fixed in 4.18.0-372.87.1.el8_6 Patch available CNA
- Red Hat Enterprise Linux 6 VendorRed Hat Affected — Fixed in — Not affected CNA
- Red Hat Enterprise Linux 7 VendorRed Hat Affected — Fixed in — Not affected CNA
- Red Hat Enterprise Linux 7 VendorRed Hat Affected — Fixed in — Not affected CNA
- Red Hat Enterprise Linux 9 VendorRed Hat Affected — Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 4.15 to before 4.19.265; 4.20 to before 5.4.224; 5.5 to before 5.10.154; 5.11 to before 5.15.78; 5.16 to before 6.0.8 | Vulnerable | Linux |
| cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Red Hat |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 4.15 to before 4.19.265; 4.20 to before 5.4.224; 5.5 to before 5.10.154; 5.11 to before 5.15.78; 5.16 to before 6.0.8 Vulnerable ·Linux
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Red Hat
Remediation
Red Hat 23 advisories
- RHSA-2024:2006 Released 2024-04-23 · Red Hat rating Importantkernel security and bug fix update
- Red Hat Enterprise Linux BaseOS AUS (v. 8.2) bpftool-4.18.0-193.133.1.el8_2, kernel-4.18.0-193.133.1.el8_2, kernel-abi-whitelists-4.18.0-193.133.1.el8_2 +14
- Red Hat Enterprise Linux BaseOS E4S (v. 8.2) bpftool-4.18.0-193.133.1.el8_2, kernel-4.18.0-193.133.1.el8_2, kernel-abi-whitelists-4.18.0-193.133.1.el8_2 +14
- Red Hat Enterprise Linux BaseOS TUS (v. 8.2) bpftool-4.18.0-193.133.1.el8_2, kernel-4.18.0-193.133.1.el8_2, kernel-abi-whitelists-4.18.0-193.133.1.el8_2 +14
- RHSA-2024:2008 Released 2024-04-23 · Red Hat rating Importantkernel-rt security update
- Red Hat Enterprise Linux Real Time TUS (v. 8.2) kernel-rt-4.18.0-193.133.1.rt13.184.el8_2, kernel-rt-core-4.18.0-193.133.1.rt13.184.el8_2, kernel-rt-debug-4.18.0-193.133.1.rt13.184.el8_2 +7
- Red Hat Enterprise Linux Real Time for NFV TUS (v. 8.2) kernel-rt-4.18.0-193.133.1.rt13.184.el8_2, kernel-rt-core-4.18.0-193.133.1.rt13.184.el8_2, kernel-rt-debug-4.18.0-193.133.1.rt13.184.el8_2 +9
- RHSA-2024:1961 Released 2024-04-23 · Red Hat rating Importantkpatch-patch security update
- Red Hat Enterprise Linux BaseOS E4S (v. 8.2) kpatch-patch-4_18_0-193_116_1-1-4.el8_2, kpatch-patch-4_18_0-193_119_1-1-3.el8_2, kpatch-patch-4_18_0-193_120_1-1-2.el8_2
Show 20 more Red Hat advisories
- RHSA-2024:0575 Released 2024-01-30 · Red Hat rating Importantkernel security and bug fix update
- Red Hat CodeReady Linux Builder EUS (v.8.8) kernel-tools-libs-devel-4.18.0-477.43.1.el8_8
- Red Hat Enterprise Linux BaseOS EUS (v.8.8) bpftool-4.18.0-477.43.1.el8_8, kernel-4.18.0-477.43.1.el8_8, kernel-abi-stablelists-4.18.0-477.43.1.el8_8 +19
- RHSA-2024:0593 Released 2024-01-30 · Red Hat rating Importantkpatch-patch security update
- Red Hat Enterprise Linux BaseOS E4S (v.8.4) kpatch-patch-4_18_0-305_103_1-1-3.el8_4, kpatch-patch-4_18_0-305_108_1-1-2.el8_4, kpatch-patch-4_18_0-305_114_1-1-1.el8_4 +1
- RHSA-2024:0562 Released 2024-01-30 · Red Hat rating Importantkernel security and bug fix update
- Red Hat Enterprise Linux BaseOS AUS (v.8.4) bpftool-4.18.0-305.120.1.el8_4, kernel-4.18.0-305.120.1.el8_4, kernel-abi-stablelists-4.18.0-305.120.1.el8_4 +14
- Red Hat Enterprise Linux BaseOS E4S (v.8.4) bpftool-4.18.0-305.120.1.el8_4, kernel-4.18.0-305.120.1.el8_4, kernel-abi-stablelists-4.18.0-305.120.1.el8_4 +14
- Red Hat Enterprise Linux BaseOS TUS (v.8.4) bpftool-4.18.0-305.120.1.el8_4, kernel-4.18.0-305.120.1.el8_4, kernel-abi-stablelists-4.18.0-305.120.1.el8_4 +14
- RHSA-2024:0563 Released 2024-01-30 · Red Hat rating Importantkernel-rt security update
- Red Hat Enterprise Linux NFV TUS (v.8.4) kernel-rt-4.18.0-305.120.1.rt7.196.el8_4, kernel-rt-core-4.18.0-305.120.1.rt7.196.el8_4, kernel-rt-debug-4.18.0-305.120.1.rt7.196.el8_4 +9
- Red Hat Enterprise Linux RT TUS (v.8.4) kernel-rt-4.18.0-305.120.1.rt7.196.el8_4, kernel-rt-core-4.18.0-305.120.1.rt7.196.el8_4, kernel-rt-debug-4.18.0-305.120.1.rt7.196.el8_4 +7
- RHSA-2024:0554 Released 2024-01-30 · Red Hat rating Importantkpatch-patch security update
- Red Hat Enterprise Linux BaseOS EUS (v.8.8) kpatch-patch-4_18_0-477_21_1-1-3.el8_8, kpatch-patch-4_18_0-477_27_1-1-2.el8_8, kpatch-patch-4_18_0-477_36_1-1-1.el8_8
- RHSA-2024:0461 Released 2024-01-25 · Red Hat rating Importantkernel security update
- Red Hat CodeReady Linux Builder (v. 9) kernel-tools-libs-devel-5.14.0-362.18.1.el9_3, libperf-5.14.0-362.18.1.el9_3
- Red Hat Enterprise Linux AppStream (v. 9) kernel-64k-debug-devel-5.14.0-362.18.1.el9_3, kernel-64k-debug-devel-matched-5.14.0-362.18.1.el9_3, kernel-64k-devel-5.14.0-362.18.1.el9_3 +11
- Red Hat Enterprise Linux BaseOS (v. 9) bpftool-7.2.0-362.18.1.el9_3, kernel-5.14.0-362.18.1.el9_3, kernel-64k-5.14.0-362.18.1.el9_3 +29
- Red Hat Enterprise Linux Real Time (v. 9) kernel-rt-5.14.0-362.18.1.el9_3, kernel-rt-core-5.14.0-362.18.1.el9_3, kernel-rt-debug-5.14.0-362.18.1.el9_3 +9
- Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt-5.14.0-362.18.1.el9_3, kernel-rt-core-5.14.0-362.18.1.el9_3, kernel-rt-debug-5.14.0-362.18.1.el9_3 +11
- RHSA-2024:0412 Released 2024-01-25 · Red Hat rating Importantkernel security and bug fix update
- Red Hat CodeReady Linux Builder EUS (v.8.6) kernel-tools-libs-devel-4.18.0-372.87.1.el8_6
- Red Hat Enterprise Linux BaseOS EUS (v.8.6) bpftool-4.18.0-372.87.1.el8_6, kernel-4.18.0-372.87.1.el8_6, kernel-abi-stablelists-4.18.0-372.87.1.el8_6 +19
- Red Hat Virtualization 4 Hypervisor for RHEL 8 kernel-devel-4.18.0-372.87.1.el8_6, perf-4.18.0-372.87.1.el8_6
- RHSA-2024:0378 Released 2024-01-23 · Red Hat rating Importantkpatch-patch security update
- Red Hat Enterprise Linux BaseOS EUS (v.8.6) kpatch-patch-4_18_0-372_64_1-1-4.el8_6, kpatch-patch-4_18_0-372_70_1-1-3.el8_6, kpatch-patch-4_18_0-372_75_1-1-2.el8_6 +1
- RHSA-2024:0340 Released 2024-01-23 · Red Hat rating Importantkpatch-patch security update
- Red Hat Enterprise Linux BaseOS (v. 9) kpatch-patch-5_14_0-362_13_1-1-1.el9_3, kpatch-patch-5_14_0-362_8_1-1-2.el9_3
- RHSA-2023:7554 Released 2023-11-28 · Red Hat rating Importantkpatch-patch security update
- Red Hat Enterprise Linux BaseOS (v. 8) kpatch-patch-4_18_0-513_5_1-1-1.el8_9
- RHSA-2023:7549 Released 2023-11-28 · Red Hat rating Importantkernel security and bug fix update
- Red Hat CodeReady Linux Builder (v. 8) kernel-tools-libs-devel-4.18.0-513.9.1.el8_9
- Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-513.9.1.el8_9, kernel-4.18.0-513.9.1.el8_9, kernel-abi-stablelists-4.18.0-513.9.1.el8_9 +19
- RHSA-2023:7548 Released 2023-11-28 · Red Hat rating Importantkernel-rt security update
- Red Hat Enterprise Linux Real Time for NFV (v. 8) kernel-rt-4.18.0-513.9.1.rt7.311.el8_9, kernel-rt-core-4.18.0-513.9.1.rt7.311.el8_9, kernel-rt-debug-4.18.0-513.9.1.rt7.311.el8_9 +9
- Red Hat Enterprise Linux for Real Time (v. 8) kernel-rt-4.18.0-513.9.1.rt7.311.el8_9, kernel-rt-core-4.18.0-513.9.1.rt7.311.el8_9, kernel-rt-debug-4.18.0-513.9.1.rt7.311.el8_9 +7
- RHSA-2023:7418 Released 2023-11-21 · Red Hat rating Importantkpatch-patch security update
- Red Hat Enterprise Linux BaseOS EUS (v.9.2) kpatch-patch-5_14_0-284_11_1-1-6.el9_2, kpatch-patch-5_14_0-284_18_1-1-5.el9_2, kpatch-patch-5_14_0-284_25_1-1-4.el9_2 +1
- RHSA-2023:7411 Released 2023-11-21 · Red Hat rating Importantkpatch-patch security update
- Red Hat Enterprise Linux BaseOS EUS (v.9.0) kpatch-patch-5_14_0-70_53_1-1-5.el9_0, kpatch-patch-5_14_0-70_58_1-1-4.el9_0, kpatch-patch-5_14_0-70_64_1-1-3.el9_0 +2
- RHSA-2023:7370 Released 2023-11-21 · Red Hat rating Importantkernel security, bug fix, and enhancement update
- Red Hat CodeReady Linux Builder EUS (v.9.2) kernel-tools-libs-devel-5.14.0-284.40.1.el9_2
- Red Hat Enterprise Linux AppStream EUS (v.9.2) kernel-64k-debug-devel-5.14.0-284.40.1.el9_2, kernel-64k-debug-devel-matched-5.14.0-284.40.1.el9_2, kernel-64k-devel-5.14.0-284.40.1.el9_2 +10
- Red Hat Enterprise Linux BaseOS EUS (v.9.2) bpftool-7.0.0-284.40.1.el9_2, kernel-5.14.0-284.40.1.el9_2, kernel-64k-5.14.0-284.40.1.el9_2 +29
- RHSA-2023:7382 Released 2023-11-21 · Red Hat rating Importantkernel security and bug fix update
- Red Hat CodeReady Linux Builder EUS (v.9.0) kernel-tools-libs-devel-5.14.0-70.80.1.el9_0
- Red Hat Enterprise Linux AppStream EUS (v.9.0) kernel-debug-devel-5.14.0-70.80.1.el9_0, kernel-debug-devel-matched-5.14.0-70.80.1.el9_0, kernel-devel-5.14.0-70.80.1.el9_0 +5
- Red Hat Enterprise Linux BaseOS EUS (v.9.0) bpftool-5.14.0-70.80.1.el9_0, kernel-5.14.0-70.80.1.el9_0, kernel-abi-stablelists-5.14.0-70.80.1.el9_0 +14
- RHSA-2023:7389 Released 2023-11-21 · Red Hat rating Importantkernel-rt security update
- Red Hat Enterprise Linux Real Time EUS (v.9.0) kernel-rt-5.14.0-70.80.1.rt21.151.el9_0, kernel-rt-core-5.14.0-70.80.1.rt21.151.el9_0, kernel-rt-debug-5.14.0-70.80.1.rt21.151.el9_0 +7
- Red Hat Enterprise Linux Real Time for NFV EUS (v.9.0) kernel-rt-5.14.0-70.80.1.rt21.151.el9_0, kernel-rt-core-5.14.0-70.80.1.rt21.151.el9_0, kernel-rt-debug-5.14.0-70.80.1.rt21.151.el9_0 +9
- RHSA-2023:7379 Released 2023-11-21 · Red Hat rating Importantkernel-rt security update
- Red Hat Enterprise Linux Real Time EUS (v.9.2) kernel-rt-5.14.0-284.40.1.rt14.325.el9_2, kernel-rt-core-5.14.0-284.40.1.rt14.325.el9_2, kernel-rt-debug-5.14.0-284.40.1.rt14.325.el9_2 +9
- Red Hat Enterprise Linux Real Time for NFV EUS (v.9.2) kernel-rt-5.14.0-284.40.1.rt14.325.el9_2, kernel-rt-core-5.14.0-284.40.1.rt14.325.el9_2, kernel-rt-debug-5.14.0-284.40.1.rt14.325.el9_2 +11
- RHSA-2023:6813 Released 2023-11-08 · Red Hat rating Importantkernel security and bug fix update
- Red Hat Enterprise Linux BaseOS E4S (v. 8.1) bpftool-4.18.0-147.94.1.el8_1, kernel-4.18.0-147.94.1.el8_1, kernel-abi-whitelists-4.18.0-147.94.1.el8_1 +14
- RHSA-2023:6799 Released 2023-11-08 · Red Hat rating Importantkpatch-patch security update
- Red Hat Enterprise Linux BaseOS E4S (v. 8.1) kpatch-patch-4_18_0-147_83_1-1-5.el8_1, kpatch-patch-4_18_0-147_85_1-1-3.el8_1, kpatch-patch-4_18_0-147_87_1-1-2.el8_1 +1
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 9 | Affected | No fix yet |
| Red Hat CodeReady Linux Builder (v. 8) | Fixed | RHSA-2023:7549 |
| Red Hat CodeReady Linux Builder (v. 9) | Fixed | RHSA-2024:0461 |
| Red Hat CodeReady Linux Builder EUS (v.8.6) | Fixed | RHSA-2024:0412 |
| Red Hat CodeReady Linux Builder EUS (v.8.8) | Fixed | RHSA-2024:0575 |
| Red Hat CodeReady Linux Builder EUS (v.9.0) | Fixed | RHSA-2023:7382 |
| Red Hat CodeReady Linux Builder EUS (v.9.2) | Fixed | RHSA-2023:7370 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2024:0461 |
| Red Hat Enterprise Linux AppStream EUS (v.9.0) | Fixed | RHSA-2023:7382 |
| Red Hat Enterprise Linux AppStream EUS (v.9.2) | Fixed | RHSA-2023:7370 |
| Red Hat Enterprise Linux BaseOS (v. 8) | Fixed | RHSA-2023:7549, RHSA-2023:7554 |
| Red Hat Enterprise Linux BaseOS (v. 9) | Fixed | RHSA-2024:0340, RHSA-2024:0461 |
| Red Hat Enterprise Linux BaseOS AUS (v. 8.2) | Fixed | RHSA-2024:2006 |
| Red Hat Enterprise Linux BaseOS AUS (v.8.4) | Fixed | RHSA-2024:0562 |
| Red Hat Enterprise Linux BaseOS E4S (v. 8.1) | Fixed | RHSA-2023:6799, RHSA-2023:6813 |
| Red Hat Enterprise Linux BaseOS E4S (v. 8.2) | Fixed | RHSA-2024:1961, RHSA-2024:2006 |
| Red Hat Enterprise Linux BaseOS E4S (v.8.4) | Fixed | RHSA-2024:0562, RHSA-2024:0593 |
| Red Hat Enterprise Linux BaseOS EUS (v.8.6) | Fixed | RHSA-2024:0378, RHSA-2024:0412 |
| Red Hat Enterprise Linux BaseOS EUS (v.8.8) | Fixed | RHSA-2024:0554, RHSA-2024:0575 |
| Red Hat Enterprise Linux BaseOS EUS (v.9.0) | Fixed | RHSA-2023:7382, RHSA-2023:7411 |
| Red Hat Enterprise Linux BaseOS EUS (v.9.2) | Fixed | RHSA-2023:7370, RHSA-2023:7418 |
| Red Hat Enterprise Linux BaseOS TUS (v. 8.2) | Fixed | RHSA-2024:2006 |
| Red Hat Enterprise Linux BaseOS TUS (v.8.4) | Fixed | RHSA-2024:0562 |
| Red Hat Enterprise Linux NFV TUS (v.8.4) | Fixed | RHSA-2024:0563 |
| Red Hat Enterprise Linux RT TUS (v.8.4) | Fixed | RHSA-2024:0563 |
| Red Hat Enterprise Linux Real Time (v. 9) | Fixed | RHSA-2024:0461 |
| Red Hat Enterprise Linux Real Time EUS (v.9.0) | Fixed | RHSA-2023:7389 |
| Red Hat Enterprise Linux Real Time EUS (v.9.2) | Fixed | RHSA-2023:7379 |
| Red Hat Enterprise Linux Real Time TUS (v. 8.2) | Fixed | RHSA-2024:2008 |
| Red Hat Enterprise Linux Real Time for NFV (v. 8) | Fixed | RHSA-2023:7548 |
| Red Hat Enterprise Linux Real Time for NFV (v. 9) | Fixed | RHSA-2024:0461 |
| Red Hat Enterprise Linux Real Time for NFV EUS (v.9.0) | Fixed | RHSA-2023:7389 |
| Red Hat Enterprise Linux Real Time for NFV EUS (v.9.2) | Fixed | RHSA-2023:7379 |
| Red Hat Enterprise Linux Real Time for NFV TUS (v. 8.2) | Fixed | RHSA-2024:2008 |
| Red Hat Enterprise Linux for Real Time (v. 8) | Fixed | RHSA-2023:7548 |
| Red Hat Virtualization 4 Hypervisor for RHEL 8 | Fixed | RHSA-2024:0412 |
Not affected: 3 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux AppStream EUS (v.9.2)
Timeline
- 2026-10-02 Threatist record created from CVE-2023-3812
- 2026-10-03 Alias added: GHSA-v4mv-7g6h-5vh8
References
Patch 2
Advisory 24
- RHSA-2023:6799
- RHSA-2023:6813
- RHSA-2023:7370
- RHSA-2023:7379
- RHSA-2023:7382
- RHSA-2023:7389
- RHSA-2023:7411
- RHSA-2023:7418
- RHSA-2023:7548
- RHSA-2023:7549
- RHSA-2023:7554
- RHSA-2024:0340
- RHSA-2024:0378
- RHSA-2024:0412
- RHSA-2024:0461
- RHSA-2024:0554
- RHSA-2024:0562
- RHSA-2024:0563
- RHSA-2024:0575
- RHSA-2024:0593
- RHSA-2024:1961
- RHSA-2024:2006
- RHSA-2024:2008
- https://access.redhat.com/security/cve/CVE-2023-3812
More Red Hat Enterprise Linux vulnerabilities
- TI-2019-08259 Underflow in PHP-FPM can lead to RCE KEVCVSS 3.1CRITICAL 9.8
- TI-2018-10530 Code injection in [UNKNOWN] RichFaces KEVCVSS 3.1CRITICAL 9.8
- TI-2014-05975 GNU Bash through 4.3 bash43-025 processes trailing strings after certain malformed… KEVCVSS 3.1CRITICAL 9.8
- TI-2014-05157 GNU Bash through 4.3 processes trailing strings after function definitions in the values… KEVCVSS 3.1CRITICAL 9.8
- TI-2025-23530 Sudo before 1.9.17p1 allows local users to obtain root access because /etc/nsswitch.conf… KEVCVSS 3.1CRITICAL 9.3
- TI-2021-17490 mod_proxy SSRF KEVCVSS 3.1CRITICAL 9.0
Sources
- CVE-2023-3812 · CVE Program
- CVE-2023-3812 · NVD
- FIRST EPSS
- GHSA-v4mv-7g6h-5vh8 · GitHub Advisory Database · CC BY 4.0
- CVE-2023-3812 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences