ksmbd: fix potencial out-of-bounds when buffer offset is invalid
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · Low · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix potencial out-of-bounds when buffer offset is invalid I found potencial out-of-bounds when buffer offset fields of a few requests is invalid. This patch set the minimum value of buffer offset field to ->Buffer offset to validate buffer length.
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 | Linux | 5.15 and later | 5.15.181, 6.1.119, 6.6.32, 6.7.12, 6.8.3, 6.9 | Patch available | CNA |
- Linux VendorLinux Affected 5.15 and later Fixed in 5.15.181, 6.1.119, 6.6.32, 6.7.12, 6.8.3, 6.9 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 5.15 to before 5.15.181; 5.16 to before 6.1.119; 6.2 to before 6.6.32; 6.7 to before 6.7.12; 6.8 to before 6.8.3 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 5.15 to before 5.15.181; 5.16 to before 6.1.119; 6.2 to before 6.6.32; 6.7 to before 6.7.12; 6.8 to before 6.8.3 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.15.181, 6.1.119, 6.6.32, 6.7.12, 6.8.3, 6.9
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 4 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2024-26952
- 2026-10-03 Alias added: GHSA-7qch-65fq-c3xh
References
Patch 6
- https://git.kernel.org/stable/c/480469f145e5abf83361e608734e421b7d99693d
- https://git.kernel.org/stable/c/ad6480c9a5d884e2704adc51d69895d93339176c
- https://git.kernel.org/stable/c/39bdc4197acf2ed13269167ccf093ee28cfa2a4e
- https://git.kernel.org/stable/c/2dcda336b6e80b72d58d30d40f2fad9724e5fe63
- https://git.kernel.org/stable/c/0c5541b4c980626fa3cab16ba1a451757778bbb5
- https://git.kernel.org/stable/c/c6cd2e8d2d9aa7ee35b1fa6a668e32a22a9753da
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-2024-26952 · CVE Program
- CVE-2024-26952 · NVD
- FIRST EPSS
- GHSA-7qch-65fq-c3xh · GitHub Advisory Database · CC BY 4.0
- CVE-2024-26952 · Red Hat security data · CC BY 4.0
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