#VU104488 Use-after-free in Linux kernel - CVE-2022-49194
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104488
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-49194
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
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.
External links
- 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