SB2024053112 - Use-after-free in Linux kernel f2fs
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB2024053112
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-2023-52852)
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_wait_on_block_writeback() function in fs/f2fs/data.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/8c4504cc0c64862740a6acb301e0cfa59580dbc5
- https://git.kernel.org/stable/c/9375ea7f269093d7c884857ae1f47633a91f429c
- https://git.kernel.org/stable/c/932ddb5c29e884cc6fac20417ece72ba4a35c401
- https://git.kernel.org/stable/c/9d065aa52b6ee1b06f9c4eca881c9b4425a12ba2
- https://git.kernel.org/stable/c/b0327c84e91a0f4f0abced8cb83ec86a7083f086
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.139
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.63
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7