f2fs: compress: fix to cover {reserve,release}_compress_blocks() w/ cp_rwsem lock
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-770.
Summary
In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fix to cover {reserve,release}_compress_blocks() w/ cp_rwsem lock It needs to cover {reserve,release}_compress_blocks() w/ cp_rwsem lock to avoid racing with checkpoint, otherwise, filesystem metadata including blkaddr in dnode, inode fields and .total_valid_block_count may be corrupted after SPO case.
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 | 5.8 and later | 5.10.219, 5.15.161, 6.1.93, 6.6.33, 6.9.4, 6.10 | Patch available | CNA |
- Linux VendorLinux Affected 5.8 and later Fixed in 5.10.219, 5.15.161, 6.1.93, 6.6.33, 6.9.4, 6.10 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 5.8 to before 5.10.219; 5.11 to before 5.15.161; 5.16 to before 6.1.93; 6.2 to before 6.6.33; 6.7 to before 6.9.4 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 5.8 to before 5.10.219; 5.11 to before 5.15.161; 5.16 to before 6.1.93; 6.2 to before 6.6.33; 6.7 to before 6.9.4 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.10.219, 5.15.161, 6.1.93, 6.6.33, 6.9.4, 6.10
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-2024-34027
- 2026-10-03 Alias added: GHSA-v9jr-v6vm-vm67
References
Patch 6
- https://git.kernel.org/stable/c/a6e1f7744e9b84f86a629a76024bba8468aa153b
- https://git.kernel.org/stable/c/b5bac43875aa27ec032dbbb86173baae6dce6182
- https://git.kernel.org/stable/c/5d47d63883735718825ca2efc4fca6915469774f
- https://git.kernel.org/stable/c/329edb7c9e3b6ca27e6ca67ab1cdda1740fb3a2b
- https://git.kernel.org/stable/c/69136304fd144144a4828c7b7b149d0f80321ba4
- https://git.kernel.org/stable/c/0a4ed2d97cb6d044196cc3e726b6699222b41019
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-2024-34027 · CVE Program
- CVE-2024-34027 · NVD
- FIRST EPSS
- GHSA-v9jr-v6vm-vm67 · GitHub Advisory Database · CC BY 4.0
- CVE-2024-34027 · 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