block: Fix page refcounts for unaligned buffers in __bio_release_pages()
Priority LOW 24Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
In the Linux kernel, the following vulnerability has been resolved: block: Fix page refcounts for unaligned buffers in __bio_release_pages() Fix an incorrect number of pages being released for buffers that do not start at the beginning of a page.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00211 11th percentileScored 2026-11-07
Fix Fixed Linux (Linux): 6.1.84, 6.6.24, 6.7.12 +6
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 |
|---|---|---|---|---|---|
| Linux | Linux | 6.1.75 to before 6.1.84; 6.6.14 to before 6.6.24; 6.7.2 to before 6.7.12; 4.19.307 to before 4.20; 5.4.269 to before 5.5; 5.10.210 to before 5.11; 5.15.148 to before 5.16 | 6.1.84, 6.6.24, 6.7.12, 4.20, 5.5, 5.11, 5.16 | Patch available | CNA |
| Linux | Linux | 6.8 and later | 6.1.84, 6.6.24, 6.7.12, 6.8.3, 6.9 | Patch available | CNA |
- Linux VendorLinux Affected 6.1.75 to before 6.1.84; 6.6.14 to before 6.6.24; 6.7.2 to before 6.7.12; 4.19.307 to before 4.20; 5.4.269 to before 5.5; 5.10.210 to before 5.11; 5.15.148 to before 5.16 Fixed in 6.1.84, 6.6.24, 6.7.12, 4.20, 5.5, 5.11, 5.16 Patch available CNA
- Linux VendorLinux Affected 6.8 and later Fixed in 6.1.84, 6.6.24, 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:*:*:*:*:*:*:*:* | 4.19.307 to before 4.20; 5.4.269 to before 5.5; 5.10.210 to before 5.11; 5.15.148 to before 5.16; 6.1.75 to before 6.1.84; 6.6.14 to before 6.6.24; 6.7.2 to before 6.7.12; 6.8 to before 6.8.3 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 4.19.307 to before 4.20; 5.4.269 to before 5.5; 5.10.210 to before 5.11; 5.15.148 to before 5.16; 6.1.75 to before 6.1.84; 6.6.14 to before 6.6.24; 6.7.2 to before 6.7.12; 6.8 to before 6.8.3 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 6.1.84, 6.6.24, 6.7.12, 4.20, 5.5, 5.11, 5.16
- Fix · CNA Linux (Linux) Fixed in 6.1.84, 6.6.24, 6.7.12, 6.8.3, 6.9
Vendor assessments
Red Hat
Red Hat rating: Low. 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-2024-35826
- 2026-10-03 Alias added: GHSA-3r27-2vg8-fjmx
References
Patch 5
- https://git.kernel.org/stable/c/242006996d15f5ca62e22f8c7de077d9c4a8f367
- https://git.kernel.org/stable/c/7d3765550374f71248c55e6206ea1d6fd4537e65
- https://git.kernel.org/stable/c/ecbd9ced84dd655a8f4cd49d2aad0e80dbf6bf35
- https://git.kernel.org/stable/c/c9d3d2fbde9b8197bce88abcbe8ee8e713ffe7c2
- https://git.kernel.org/stable/c/38b43539d64b2fa020b3b9a752a986769f87f7a6
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-2024-35826 · CVE Program
- CVE-2024-35826 · NVD
- FIRST EPSS
- GHSA-3r27-2vg8-fjmx · GitHub Advisory Database · CC BY 4.0
- CVE-2024-35826 · Red Hat security data · CC BY 4.0
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