Integer underflow in Linux kernel
Key facts
- Attack vector
- Adjacent network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 20 fixed, 1 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-191 and the CVSS impact.
Summary
An out-of-bounds memory read flaw was found in receive_encrypted_standard in fs/smb/client/smb2ops.c in the SMB Client sub-component in the Linux Kernel. This issue occurs due to integer underflow on the memcpy length, leading to a denial of service.
Why it matters now
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 |
|---|---|---|---|---|---|
| Linux | kernel | 4.19 to before 5.10.211; 5.11 to before 5.15.150; 5.16 to before 6.1.69; 6.2 to before 6.6.8 | 5.10.211, 5.15.150, 6.1.69, 6.6.8 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8 | — | 4.18.0-513.24.1.rt7.326.el8_9 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8 | — | 4.18.0-513.24.1.el8_9 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.6 Extended Update Support | — | 4.18.0-372.95.1.el8_6 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.8 Extended Update Support | — | 4.18.0-477.51.1.el8_8 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9 | — | 5.14.0-427.13.1.el9_4 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9 | — | 5.14.0-427.13.1.el9_4 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9.2 Extended Update Support | — | 5.14.0-284.59.1.el9_2 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9.2 Extended Update Support | — | 5.14.0-284.59.1.rt14.344.el9_2 | Patch available | CNA |
| Red Hat | Red Hat Virtualization 4 for Red Hat Enterprise Linux 8 | — | 4.18.0-372.95.1.el8_6 | Patch available | CNA |
| Red Hat | RHOL-5.7-RHEL-8 | — | v5.7.13-16 | Patch available | CNA |
| Red Hat | RHOL-5.7-RHEL-8 | — | v5.7.13-7 | Patch available | CNA |
| Red Hat | RHOL-5.7-RHEL-8 | — | v6.8.1-408 | Patch available | CNA |
| Red Hat | RHOL-5.7-RHEL-8 | — | v5.7.13-19 | Patch available | CNA |
| Red Hat | RHOL-5.7-RHEL-8 | — | v1.0.0-480 | Patch available | CNA |
| Red Hat | RHOL-5.7-RHEL-8 | — | v5.7.13-9 | Patch available | CNA |
| Red Hat | RHOL-5.7-RHEL-8 | — | v0.4.0-248 | Patch available | CNA |
| Red Hat | RHOL-5.7-RHEL-8 | — | v1.14.6-215 | Patch available | CNA |
| Red Hat | RHOL-5.7-RHEL-8 | — | v6.8.1-431 | Patch available | CNA |
| Red Hat | RHOL-5.7-RHEL-8 | — | v1.1.0-228 | Patch available | CNA |
| Red Hat | RHOL-5.7-RHEL-8 | — | v5.8.1-471 | Patch available | CNA |
| Red Hat | RHOL-5.7-RHEL-8 | — | v2.9.6-15 | Patch available | CNA |
| Red Hat | RHOL-5.7-RHEL-8 | — | v5.7.13-3 | Patch available | CNA |
| Red Hat | RHOL-5.7-RHEL-8 | — | v5.7.13-27 | Patch available | CNA |
| Red Hat | RHOL-5.7-RHEL-8 | — | v5.7.13-12 | Patch available | CNA |
| Red Hat | RHOL-5.7-RHEL-8 | — | v0.1.0-527 | Patch available | CNA |
| Red Hat | RHOL-5.7-RHEL-8 | — | v0.1.0-225 | Patch available | CNA |
| Red Hat | RHOL-5.7-RHEL-8 | — | v0.28.1-57 | 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 |
- kernel VendorLinux Affected 4.19 to before 5.10.211; 5.11 to before 5.15.150; 5.16 to before 6.1.69; 6.2 to before 6.6.8 Fixed in 5.10.211, 5.15.150, 6.1.69, 6.6.8 Patch available CNA
- Red Hat Enterprise Linux 8 VendorRed Hat Affected — Fixed in 4.18.0-513.24.1.rt7.326.el8_9 Patch available CNA
- Red Hat Enterprise Linux 8 VendorRed Hat Affected — Fixed in 4.18.0-513.24.1.el8_9 Patch available CNA
- Red Hat Enterprise Linux 8.6 Extended Update Support VendorRed Hat Affected — Fixed in 4.18.0-372.95.1.el8_6 Patch available CNA
- Red Hat Enterprise Linux 8.8 Extended Update Support VendorRed Hat Affected — Fixed in 4.18.0-477.51.1.el8_8 Patch available CNA
- Red Hat Enterprise Linux 9 VendorRed Hat Affected — Fixed in 5.14.0-427.13.1.el9_4 Patch available CNA
- Red Hat Enterprise Linux 9 VendorRed Hat Affected — Fixed in 5.14.0-427.13.1.el9_4 Patch available CNA
- Red Hat Enterprise Linux 9.2 Extended Update Support VendorRed Hat Affected — Fixed in 5.14.0-284.59.1.el9_2 Patch available CNA
- Red Hat Enterprise Linux 9.2 Extended Update Support VendorRed Hat Affected — Fixed in 5.14.0-284.59.1.rt14.344.el9_2 Patch available CNA
- Red Hat Virtualization 4 for Red Hat Enterprise Linux 8 VendorRed Hat Affected — Fixed in 4.18.0-372.95.1.el8_6 Patch available CNA
- RHOL-5.7-RHEL-8 VendorRed Hat Affected — Fixed in v5.7.13-16 Patch available CNA
- RHOL-5.7-RHEL-8 VendorRed Hat Affected — Fixed in v5.7.13-7 Patch available CNA
- RHOL-5.7-RHEL-8 VendorRed Hat Affected — Fixed in v6.8.1-408 Patch available CNA
- RHOL-5.7-RHEL-8 VendorRed Hat Affected — Fixed in v5.7.13-19 Patch available CNA
- RHOL-5.7-RHEL-8 VendorRed Hat Affected — Fixed in v1.0.0-480 Patch available CNA
- RHOL-5.7-RHEL-8 VendorRed Hat Affected — Fixed in v5.7.13-9 Patch available CNA
- RHOL-5.7-RHEL-8 VendorRed Hat Affected — Fixed in v0.4.0-248 Patch available CNA
- RHOL-5.7-RHEL-8 VendorRed Hat Affected — Fixed in v1.14.6-215 Patch available CNA
- RHOL-5.7-RHEL-8 VendorRed Hat Affected — Fixed in v6.8.1-431 Patch available CNA
- RHOL-5.7-RHEL-8 VendorRed Hat Affected — Fixed in v1.1.0-228 Patch available CNA
- RHOL-5.7-RHEL-8 VendorRed Hat Affected — Fixed in v5.8.1-471 Patch available CNA
- RHOL-5.7-RHEL-8 VendorRed Hat Affected — Fixed in v2.9.6-15 Patch available CNA
- RHOL-5.7-RHEL-8 VendorRed Hat Affected — Fixed in v5.7.13-3 Patch available CNA
- RHOL-5.7-RHEL-8 VendorRed Hat Affected — Fixed in v5.7.13-27 Patch available CNA
- RHOL-5.7-RHEL-8 VendorRed Hat Affected — Fixed in v5.7.13-12 Patch available CNA
- RHOL-5.7-RHEL-8 VendorRed Hat Affected — Fixed in v0.1.0-527 Patch available CNA
- RHOL-5.7-RHEL-8 VendorRed Hat Affected — Fixed in v0.1.0-225 Patch available CNA
- RHOL-5.7-RHEL-8 VendorRed Hat Affected — Fixed in v0.28.1-57 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 · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 6.1.36 to before 6.7 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.7:rc1:*:*:*:*:*:* | 6.7 rc1 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.7:rc2:*:*:*:*:*:* | 6.7 rc2 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.7:rc3:*:*:*:*:*:* | 6.7 rc3 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.7:rc4:*:*:*:*:*:* | 6.7 rc4 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.7:rc5:*:*:*:*:*:* | 6.7 rc5 | Vulnerable | Linux |
| cpe:2.3:a:netapp:ontap_tools:-:*:*:*:*:vmware_vsphere:*:* | not specified by NVD | Vulnerable | NetApp |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 6.1.36 to before 6.7 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.7:rc1:*:*:*:*:*:* Versions 6.7 rc1 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.7:rc2:*:*:*:*:*:* Versions 6.7 rc2 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.7:rc3:*:*:*:*:*:* Versions 6.7 rc3 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.7:rc4:*:*:*:*:*:* Versions 6.7 rc4 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.7:rc5:*:*:*:*:*:* Versions 6.7 rc5 Vulnerable ·Linux
- cpe:2.3:a:netapp:ontap_tools:-:*:*:*:*:vmware_vsphere:*:* Versions not specified by NVD Vulnerable ·NetApp
Remediation
- Fix · CNA kernel (Linux) Fixed in 5.10.211, 5.15.150, 6.1.69, 6.6.8
Red Hat 8 advisories
- RHSA-2024:2093 Released 2024-05-01 · Red Hat rating Moderatesecurity update Logging for Red Hat OpenShift - 5.7.13
- RHOL 5.7 for RHEL 8 openshift-logging/cluster-logging-operator-bundle, openshift-logging/cluster-logging-rhel8-operator, openshift-logging/elasticsearch-operator-bundle +15
- RHSA-2024:2394 Released 2024-04-30 · Red Hat rating Importantkernel security, bug fix, and enhancement update
- Red Hat Enterprise Linux AppStream (v. 9) kernel-64k-debug-devel-5.14.0-427.13.1.el9_4, kernel-64k-debug-devel-matched-5.14.0-427.13.1.el9_4, kernel-64k-devel-5.14.0-427.13.1.el9_4 +11
- Red Hat Enterprise Linux BaseOS (v. 9) bpftool-7.3.0-427.13.1.el9_4, kernel-5.14.0-427.13.1.el9_4, kernel-64k-5.14.0-427.13.1.el9_4 +29
- Red Hat Enterprise Linux CRB (v. 9) kernel-tools-libs-devel-5.14.0-427.13.1.el9_4, libperf-5.14.0-427.13.1.el9_4
- Red Hat Enterprise Linux NFV (v. 9) kernel-rt-5.14.0-427.13.1.el9_4, kernel-rt-core-5.14.0-427.13.1.el9_4, kernel-rt-debug-5.14.0-427.13.1.el9_4 +11
- Red Hat Enterprise Linux RT (v. 9) kernel-rt-5.14.0-427.13.1.el9_4, kernel-rt-core-5.14.0-427.13.1.el9_4, kernel-rt-debug-5.14.0-427.13.1.el9_4 +9
- RHSA-2024:1614 Released 2024-04-02 · Red Hat rating Importantkernel-rt security and bug fix update
- Red Hat Enterprise Linux Real Time for NFV (v. 8) kernel-rt-4.18.0-513.24.1.rt7.326.el8_9, kernel-rt-core-4.18.0-513.24.1.rt7.326.el8_9, kernel-rt-debug-4.18.0-513.24.1.rt7.326.el8_9 +9
- Red Hat Enterprise Linux for Real Time (v. 8) kernel-rt-4.18.0-513.24.1.rt7.326.el8_9, kernel-rt-core-4.18.0-513.24.1.rt7.326.el8_9, kernel-rt-debug-4.18.0-513.24.1.rt7.326.el8_9 +7
Show 5 more Red Hat advisories
- RHSA-2024:1607 Released 2024-04-02 · Red Hat rating Importantkernel security, bug fix, and enhancement update
- Red Hat CodeReady Linux Builder (v. 8) kernel-tools-libs-devel-4.18.0-513.24.1.el8_9
- Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-513.24.1.el8_9, kernel-4.18.0-513.24.1.el8_9, kernel-abi-stablelists-4.18.0-513.24.1.el8_9 +19
- RHSA-2024:1532 Released 2024-03-27 · Red Hat rating Moderatekernel security and bug fix update
- Red Hat CodeReady Linux Builder EUS (v.9.2) kernel-tools-libs-devel-5.14.0-284.59.1.el9_2
- Red Hat Enterprise Linux AppStream EUS (v.9.2) kernel-64k-debug-devel-5.14.0-284.59.1.el9_2, kernel-64k-debug-devel-matched-5.14.0-284.59.1.el9_2, kernel-64k-devel-5.14.0-284.59.1.el9_2 +9
- Red Hat Enterprise Linux BaseOS EUS (v.9.2) bpftool-7.0.0-284.59.1.el9_2, kernel-5.14.0-284.59.1.el9_2, kernel-64k-5.14.0-284.59.1.el9_2 +29
- RHSA-2024:1533 Released 2024-03-27 · Red Hat rating Moderatekernel-rt security and bug fix update
- Red Hat Enterprise Linux Real Time EUS (v.9.2) kernel-rt-5.14.0-284.59.1.rt14.344.el9_2, kernel-rt-core-5.14.0-284.59.1.rt14.344.el9_2, kernel-rt-debug-5.14.0-284.59.1.rt14.344.el9_2 +9
- Red Hat Enterprise Linux Real Time for NFV EUS (v.9.2) kernel-rt-5.14.0-284.59.1.rt14.344.el9_2, kernel-rt-core-5.14.0-284.59.1.rt14.344.el9_2, kernel-rt-debug-5.14.0-284.59.1.rt14.344.el9_2 +11
- RHSA-2024:1404 Released 2024-03-19 · Red Hat rating Importantkernel security and bug fix update
- Red Hat CodeReady Linux Builder EUS (v.8.8) kernel-tools-libs-devel-4.18.0-477.51.1.el8_8
- Red Hat Enterprise Linux BaseOS EUS (v.8.8) bpftool-4.18.0-477.51.1.el8_8, kernel-4.18.0-477.51.1.el8_8, kernel-abi-stablelists-4.18.0-477.51.1.el8_8 +19
- RHSA-2024:1188 Released 2024-03-06 · Red Hat rating Moderatekernel security, bug fix, and enhancement update
- Red Hat CodeReady Linux Builder EUS (v.8.6) kernel-tools-libs-devel-4.18.0-372.95.1.el8_6
- Red Hat Enterprise Linux BaseOS EUS (v.8.6) bpftool-4.18.0-372.95.1.el8_6, kernel-4.18.0-372.95.1.el8_6, kernel-abi-stablelists-4.18.0-372.95.1.el8_6 +19
- Red Hat Virtualization 4 Hypervisor for RHEL 8 kernel-devel-4.18.0-372.95.1.el8_6, perf-4.18.0-372.95.1.el8_6
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 9 | Affected | No fix yet |
| RHOL 5.7 for RHEL 8 | Fixed | RHSA-2024:2093 |
| Red Hat CodeReady Linux Builder (v. 8) | Fixed | RHSA-2024:1607 |
| Red Hat CodeReady Linux Builder EUS (v.8.6) | Fixed | RHSA-2024:1188 |
| Red Hat CodeReady Linux Builder EUS (v.8.8) | Fixed | RHSA-2024:1404 |
| Red Hat CodeReady Linux Builder EUS (v.9.2) | Fixed | RHSA-2024:1532 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2024:2394 |
| Red Hat Enterprise Linux AppStream EUS (v.9.2) | Fixed | RHSA-2024:1532 |
| Red Hat Enterprise Linux BaseOS (v. 8) | Fixed | RHSA-2024:1607 |
| Red Hat Enterprise Linux BaseOS (v. 9) | Fixed | RHSA-2024:2394 |
| Red Hat Enterprise Linux BaseOS EUS (v.8.6) | Fixed | RHSA-2024:1188 |
| Red Hat Enterprise Linux BaseOS EUS (v.8.8) | Fixed | RHSA-2024:1404 |
| Red Hat Enterprise Linux BaseOS EUS (v.9.2) | Fixed | RHSA-2024:1532 |
| Red Hat Enterprise Linux CRB (v. 9) | Fixed | RHSA-2024:2394 |
| Red Hat Enterprise Linux NFV (v. 9) | Fixed | RHSA-2024:2394 |
| Red Hat Enterprise Linux RT (v. 9) | Fixed | RHSA-2024:2394 |
| Red Hat Enterprise Linux Real Time EUS (v.9.2) | Fixed | RHSA-2024:1533 |
| Red Hat Enterprise Linux Real Time for NFV (v. 8) | Fixed | RHSA-2024:1614 |
| Red Hat Enterprise Linux Real Time for NFV EUS (v.9.2) | Fixed | RHSA-2024:1533 |
| Red Hat Enterprise Linux for Real Time (v. 8) | Fixed | RHSA-2024:1614 |
| Red Hat Virtualization 4 Hypervisor for RHEL 8 | Fixed | RHSA-2024:1188 |
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-2024-0565
- 2026-10-03 Alias added: GHSA-4jrv-6m77-vrhq
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-2024-0565 · CVE Program
- CVE-2024-0565 · NVD
- FIRST EPSS
- GHSA-4jrv-6m77-vrhq · GitHub Advisory Database · CC BY 4.0
- CVE-2024-0565 · 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