SB2024070461 - Improper locking in Linux kernel f2fs
Published: July 4, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024070461
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper locking (CVE-ID: CVE-2024-27034)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the f2fs_write_single_data_page() function in fs/f2fs/data.c, within the f2fs_compress_write_end_io(), f2fs_write_raw_pages() and unlock_page() functions in fs/f2fs/compress.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/7d420eaaa18ec8e2bb4eeab8c65c00492ef6f416
- https://git.kernel.org/stable/c/542c8b3c774a480bfd0804291a12f6f2391b0cd1
- https://git.kernel.org/stable/c/75abfd61392b1db391bde6d738a30d685b843286
- https://git.kernel.org/stable/c/2b1b14d9fc94b8feae20808684c8af28ec80f45b
- https://git.kernel.org/stable/c/52982edfcefd475cc34af663d5c47c0cddaa5739
- https://git.kernel.org/stable/c/fd244524c2cf07b5f4c3fe8abd6a99225c76544b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.153
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.83
- 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