SB2024090526 - Use-after-free in Linux kernel ipv4
Published: September 5, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024090526
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-2024-44991)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the EXPORT_SYMBOL() and tcp_sk_exit_batch() functions in net/ipv4/tcp_ipv4.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/e3d9de3742f4d5c47ae35f888d3023a5b54fcd2f
- https://git.kernel.org/stable/c/99580ae890ec8bd98b21a2a9c6668f8f1555b62e
- https://git.kernel.org/stable/c/f6fd2dbf584a4047ba88d1369ff91c9851261ec1
- https://git.kernel.org/stable/c/565d121b69980637f040eb4d84289869cdaabedf
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.107
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.48