SB20250226305 - Use-after-free in Linux kernel broadcom genet driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226305
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-2022-49194)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the bcmgenet_writel() and bcmgenet_readl() functions in drivers/net/ethernet/broadcom/genet/bcmgenet.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/06d836801cd82ded282aaf9e888ff9e7e4a88b91
- https://git.kernel.org/stable/c/1d717816189fd68f9e089cf89ed1f7327d2c2e71
- https://git.kernel.org/stable/c/8d3ea3d402db94b61075617e71b67459a714a502
- https://git.kernel.org/stable/c/b26091a02093104259ca64aeca73601e56160d62
- https://git.kernel.org/stable/c/f49769b462f282477ca801cf648f875b1c5b59db
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.2