SB20250226259 - Use-after-free in Linux kernel tipc
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226259
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-2022-49696)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the tipc_exit_net() function in net/tipc/core.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/361c5521c1e49843b710f455cae3c0a50b714323
- https://git.kernel.org/stable/c/8b246ddd394d7d9640816611693b0096b998e27a
- https://git.kernel.org/stable/c/911600bf5a5e84bfda4d33ee32acc75ecf6159f0
- https://git.kernel.org/stable/c/cd7789e659e84f137631dc1f5ec8d794f2700e6c
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.51