Improper locking in Linux kernel - CVE-2024-26869
Published: June 13, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU92036
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-26869
CWE-ID: CWE-667
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the f2fs_inplace_write_data() and f2fs_wait_on_block_writeback_range() functions in fs/f2fs/segment.c, within the do_checkpoint() function in fs/f2fs/checkpoint.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2024-26869
Install update from vendor's website.
Sources
- https://git.kernel.org/stable/c/c92f2927df860a60ba815d3ee610a944b92a8694
- https://git.kernel.org/stable/c/77bfdb89cc222fc7bfe198eda77bdc427d5ac189
- https://git.kernel.org/stable/c/04226d8e3c4028dc451e9d8777356ec0f7919253
- https://git.kernel.org/stable/c/9f0c4a46be1fe9b97dbe66d49204c1371e3ece65
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.23
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.2