Use after free in Kernel
Priority LOW 24CWE-416Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Partial Red Hat: 29 fixed, 3 without a fix
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat.
Summary
A use-after-free vulnerability was found in iscsi_sw_tcp_session_create in drivers/scsi/iscsi_tcp.c in SCSI sub-component in the Linux Kernel. In this flaw an attacker could leak kernel internal information.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00249 16th percentileScored 2026-11-07
Fix Partial Red Hat: 12 advisoriesRed Hat: 29 fixed, 3 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
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 |
|---|---|---|---|---|---|
| — | Kernel | Linux Kernel version prior to Kernel 6.2 RC6 | — | No fix listed | CNA |
- Kernel Vendor— Affected Linux Kernel version prior to Kernel 6.2 RC6 Fixed in — No fix listed CNA
CPE configurations NVD · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | before 6.2 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.2:-:*:*:*:*:*:* | 6.2 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.2:rc1:*:*:*:*:*:* | 6.2 rc1 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.2:rc2:*:*:*:*:*:* | 6.2 rc2 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.2:rc3:*:*:*:*:*:* | 6.2 rc3 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.2:rc4:*:*:*:*:*:* | 6.2 rc4 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.2:rc5:*:*:*:*:*:* | 6.2 rc5 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions before 6.2 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.2:-:*:*:*:*:*:* Versions 6.2 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.2:rc1:*:*:*:*:*:* Versions 6.2 rc1 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.2:rc2:*:*:*:*:*:* Versions 6.2 rc2 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.2:rc3:*:*:*:*:*:* Versions 6.2 rc3 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.2:rc4:*:*:*:*:*:* Versions 6.2 rc4 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.2:rc5:*:*:*:*:*:* Versions 6.2 rc5 Vulnerable ·Linux
Remediation
Red Hat 12 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-2024:0562 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
Show 9 more Red Hat advisories
- RHSA-2024:0432 Released 2024-01-25 · Red Hat rating Importantkernel security and bug fix update
- Red Hat CodeReady Linux Builder EUS (v.9.0) kernel-tools-libs-devel-5.14.0-70.85.1.el9_0
- Red Hat Enterprise Linux AppStream EUS (v.9.0) kernel-debug-devel-5.14.0-70.85.1.el9_0, kernel-debug-devel-matched-5.14.0-70.85.1.el9_0, kernel-devel-5.14.0-70.85.1.el9_0 +5
- Red Hat Enterprise Linux BaseOS EUS (v.9.0) bpftool-5.14.0-70.85.1.el9_0, kernel-5.14.0-70.85.1.el9_0, kernel-abi-stablelists-5.14.0-70.85.1.el9_0 +14
- RHSA-2024:0403 Released 2024-01-25 · Red Hat rating Importantkernel security update
- Red Hat Enterprise Linux BaseOS AUS (v. 8.2) bpftool-4.18.0-193.120.1.el8_2, kernel-4.18.0-193.120.1.el8_2, kernel-abi-whitelists-4.18.0-193.120.1.el8_2 +14
- Red Hat Enterprise Linux BaseOS E4S (v. 8.2) bpftool-4.18.0-193.120.1.el8_2, kernel-4.18.0-193.120.1.el8_2, kernel-abi-whitelists-4.18.0-193.120.1.el8_2 +14
- Red Hat Enterprise Linux BaseOS TUS (v. 8.2) bpftool-4.18.0-193.120.1.el8_2, kernel-4.18.0-193.120.1.el8_2, kernel-abi-whitelists-4.18.0-193.120.1.el8_2 +14
- RHSA-2024:0402 Released 2024-01-25 · Red Hat rating Importantkernel-rt security update
- Red Hat Enterprise Linux Real Time TUS (v. 8.2) kernel-rt-4.18.0-193.120.1.rt13.171.el8_2, kernel-rt-core-4.18.0-193.120.1.rt13.171.el8_2, kernel-rt-debug-4.18.0-193.120.1.rt13.171.el8_2 +7
- Red Hat Enterprise Linux Real Time for NFV TUS (v. 8.2) kernel-rt-4.18.0-193.120.1.rt13.171.el8_2, kernel-rt-core-4.18.0-193.120.1.rt13.171.el8_2, kernel-rt-debug-4.18.0-193.120.1.rt13.171.el8_2 +9
- RHSA-2024:0431 Released 2024-01-25 · Red Hat rating Importantkernel-rt security and bug fix update
- Red Hat Enterprise Linux Real Time EUS (v.9.0) kernel-rt-5.14.0-70.85.1.rt21.156.el9_0, kernel-rt-core-5.14.0-70.85.1.rt21.156.el9_0, kernel-rt-debug-5.14.0-70.85.1.rt21.156.el9_0 +7
- Red Hat Enterprise Linux Real Time for NFV EUS (v.9.0) kernel-rt-5.14.0-70.85.1.rt21.156.el9_0, kernel-rt-core-5.14.0-70.85.1.rt21.156.el9_0, kernel-rt-debug-5.14.0-70.85.1.rt21.156.el9_0 +9
- RHSA-2024:0448 Released 2024-01-25 · Red Hat rating Importantkernel security and bug fix update
- Red Hat CodeReady Linux Builder EUS (v.9.2) kernel-tools-libs-devel-5.14.0-284.48.1.el9_2
- Red Hat Enterprise Linux AppStream EUS (v.9.2) kernel-64k-debug-devel-5.14.0-284.48.1.el9_2, kernel-64k-debug-devel-matched-5.14.0-284.48.1.el9_2, kernel-64k-devel-5.14.0-284.48.1.el9_2 +10
- Red Hat Enterprise Linux BaseOS EUS (v.9.2) bpftool-7.0.0-284.48.1.el9_2, kernel-5.14.0-284.48.1.el9_2, kernel-64k-5.14.0-284.48.1.el9_2 +29
- RHSA-2024:0439 Released 2024-01-25 · Red Hat rating Importantkernel-rt security update
- Red Hat Enterprise Linux Real Time EUS (v.9.2) kernel-rt-5.14.0-284.48.1.rt14.333.el9_2, kernel-rt-core-5.14.0-284.48.1.rt14.333.el9_2, kernel-rt-debug-5.14.0-284.48.1.rt14.333.el9_2 +9
- Red Hat Enterprise Linux Real Time for NFV EUS (v.9.2) kernel-rt-5.14.0-284.48.1.rt14.333.el9_2, kernel-rt-core-5.14.0-284.48.1.rt14.333.el9_2, kernel-rt-debug-5.14.0-284.48.1.rt14.333.el9_2 +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-2024:0134 Released 2024-01-10 · Red Hat rating Importantkernel-rt security update
- Red Hat Enterprise Linux Real Time for NFV (v. 8) kernel-rt-4.18.0-513.11.1.rt7.313.el8_9, kernel-rt-core-4.18.0-513.11.1.rt7.313.el8_9, kernel-rt-debug-4.18.0-513.11.1.rt7.313.el8_9 +9
- Red Hat Enterprise Linux for Real Time (v. 8) kernel-rt-4.18.0-513.11.1.rt7.313.el8_9, kernel-rt-core-4.18.0-513.11.1.rt7.313.el8_9, kernel-rt-debug-4.18.0-513.11.1.rt7.313.el8_9 +7
- RHSA-2024:0113 Released 2024-01-10 · Red Hat rating Importantkernel security update
- Red Hat CodeReady Linux Builder (v. 8) kernel-tools-libs-devel-4.18.0-513.11.1.el8_9
- Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-513.11.1.el8_9, kernel-4.18.0-513.11.1.el8_9, kernel-abi-stablelists-4.18.0-513.11.1.el8_9 +19
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 9 | Affected | No fix yet |
| Red Hat CodeReady Linux Builder (v. 8) | Fixed | RHSA-2024:0113 |
| 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-2024:0432 |
| Red Hat CodeReady Linux Builder EUS (v.9.2) | Fixed | RHSA-2024:0448 |
| Red Hat Enterprise Linux AppStream EUS (v.9.0) | Fixed | RHSA-2024:0432 |
| Red Hat Enterprise Linux AppStream EUS (v.9.2) | Fixed | RHSA-2024:0448 |
| Red Hat Enterprise Linux BaseOS (v. 8) | Fixed | RHSA-2024:0113 |
| Red Hat Enterprise Linux BaseOS AUS (v. 8.2) | Fixed | RHSA-2024:0403 |
| Red Hat Enterprise Linux BaseOS AUS (v.8.4) | Fixed | RHSA-2024:0562 |
| Red Hat Enterprise Linux BaseOS E4S (v. 8.2) | Fixed | RHSA-2024:0403 |
| Red Hat Enterprise Linux BaseOS E4S (v.8.4) | Fixed | RHSA-2024:0562 |
| Red Hat Enterprise Linux BaseOS EUS (v.8.6) | Fixed | RHSA-2024:0412 |
| Red Hat Enterprise Linux BaseOS EUS (v.8.8) | Fixed | RHSA-2024:0575 |
| Red Hat Enterprise Linux BaseOS EUS (v.9.0) | Fixed | RHSA-2024:0432 |
| Red Hat Enterprise Linux BaseOS EUS (v.9.2) | Fixed | RHSA-2024:0448 |
| Red Hat Enterprise Linux BaseOS TUS (v. 8.2) | Fixed | RHSA-2024:0403 |
| 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 EUS (v.9.0) | Fixed | RHSA-2024:0431 |
| Red Hat Enterprise Linux Real Time EUS (v.9.2) | Fixed | RHSA-2024:0439 |
| Red Hat Enterprise Linux Real Time TUS (v. 8.2) | Fixed | RHSA-2024:0402 |
| Red Hat Enterprise Linux Real Time for NFV (v. 8) | Fixed | RHSA-2024:0134 |
| Red Hat Enterprise Linux Real Time for NFV EUS (v.9.0) | Fixed | RHSA-2024:0431 |
| Red Hat Enterprise Linux Real Time for NFV EUS (v.9.2) | Fixed | RHSA-2024:0439 |
| Red Hat Enterprise Linux Real Time for NFV TUS (v. 8.2) | Fixed | RHSA-2024:0402 |
| Red Hat Enterprise Linux for Real Time (v. 8) | Fixed | RHSA-2024:0134 |
| Red Hat Virtualization 4 Hypervisor for RHEL 8 | Fixed | RHSA-2024:0412 |
Not affected: 1 product
- Red Hat Enterprise Linux AppStream EUS (v.9.2)
Timeline
- 2026-10-02 Threatist record created from CVE-2023-2162
- 2026-10-03 Alias added: GHSA-w379-vm3v-fj7p
References
More Linux Kernel vulnerabilities
- TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
- TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
- TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
- TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
- TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
- TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
Sources
- CVE-2023-2162 · CVE Program
- CVE-2023-2162 · NVD
- FIRST EPSS
- GHSA-w379-vm3v-fj7p · GitHub Advisory Database · CC BY 4.0
- CVE-2023-2162 · Red Hat security data · CC BY 4.0
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