#VU104424 Use-after-free in Linux kernel - CVE-2022-49416
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104424
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-2022-49416
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 ieee80211_vif_use_reserved_context() function in net/mac80211/chan.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/265bec4779a38b65e86a25120370f200822dfa76
- https://git.kernel.org/stable/c/2965c4cdf7ad9ce0796fac5e57debb9519ea721e
- https://git.kernel.org/stable/c/4ba81e794f0fad6234f644c2da1ae14d5b95e1c4
- https://git.kernel.org/stable/c/4f05a9e15edcdf5b97e0d86ab6ecd5f187289f6c
- https://git.kernel.org/stable/c/6118bbdf69f4718b02d26bbcf2e497eb66004331
- https://git.kernel.org/stable/c/82c8e7bbdd06c7ed58e22450cc5b37f33a25bb2c
- https://git.kernel.org/stable/c/88cc8f963febe192d6ded9df7217f92f380b449a
- https://git.kernel.org/stable/c/9f1e5cc85ad77e52f54049a94db0407445ae2a34
- https://git.kernel.org/stable/c/b79110f2bf6022e60e590d2e094728a8eec3e79e
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.46