#VU104452 Use-after-free in Linux kernel - CVE-2022-49625
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104452
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-2022-49625
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 efx_ef10_try_update_nic_stats_vf() function in drivers/net/ethernet/sfc/ef10.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/16662524ec5da801fb78a1afcaf6e782f1cf103a
- https://git.kernel.org/stable/c/68e5f32f0de9594629ff9e599294d9801c6187de
- https://git.kernel.org/stable/c/82bcb730f856086f033e6c04082eb4503d4c2fa4
- https://git.kernel.org/stable/c/ada74c5539eba06cf8b47d068f92e0b3963a9a6e
- https://git.kernel.org/stable/c/b82e4ad58a7fb72456503958a93060f87896e629
- https://git.kernel.org/stable/c/b9072305270579a9d6afc9b926166231e5b1a7c8
- https://git.kernel.org/stable/c/d9840212a9c00507347c703f4fdeda16400407e0
- https://git.kernel.org/stable/c/da346adcf5573fd8663cabfdfe8371009629a906
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.207