SB2024111012 - Use-after-free in Linux kernel netfilter
Published: November 10, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024111012
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-2024-50257)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the xt_find_table_lock() function in net/netfilter/x_tables.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/ba22ea01348384df19cc1fabc7964be6e7189749
- https://git.kernel.org/stable/c/cb7c388b5967946f097afdb759b7c860305f2d96
- https://git.kernel.org/stable/c/6a1f088f9807f5166f58902d26246d0b88da03a8
- https://git.kernel.org/stable/c/bab3bb35c03b263c486833d50d50c081d9e9832b
- https://git.kernel.org/stable/c/f48d258f0ac540f00fa617dac496c4c18b5dc2fa
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.171
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.116
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.60