SB2024082213 - Use-after-free in Linux kernel netfilter
Published: August 22, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024082213
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-2022-48935)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the __nft_release_table() function in net/netfilter/nf_tables_api.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/88c795491bf45a8c08a0f94c9ca4f13722e51013
- https://git.kernel.org/stable/c/b05a24cc453e3cd51b0c79e3c583b5d495eba1d6
- https://git.kernel.org/stable/c/e51f30826bc5384801df98d76109c94953d1df64
- https://git.kernel.org/stable/c/8ffb8ac3448845f65634889b051bd65e4dee484b
- https://git.kernel.org/stable/c/b4fcc081e527aa2ce12e956912fc47e251f6bd27
- https://git.kernel.org/stable/c/6069da443bf65f513bb507bb21e2f87cfb1ad0b6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.316
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.198
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.26
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.262