SB2024102206 - Use-after-free in Linux kernel f2fs
Published: October 22, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024102206
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2024-47691)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the f2fs_shutdown() function in fs/f2fs/super.c, within the f2fs_ioc_abort_atomic_write(), f2fs_do_shutdown() and f2fs_ioc_shutdown() functions in fs/f2fs/file.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/fc18e655b62ac6bc9f12f5de0d749b4a3fe1e812
- https://git.kernel.org/stable/c/7c339dee7eb0f8e4cadc317c595f898ef04dae30
- https://git.kernel.org/stable/c/d79343cd66343709e409d96b2abb139a0a55ce34
- https://git.kernel.org/stable/c/c7f114d864ac91515bb07ac271e9824a20f5ed95
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.54