#VU104462 Use-after-free in Linux kernel - CVE-2022-49258
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104462
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-2022-49258
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 cc_cipher_exit() function in drivers/crypto/ccree/cc_cipher.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/25c358efee5153dfd240d4e0d3169d5bebe9cacd
- https://git.kernel.org/stable/c/335bf1fc74f775a8255257aa3e33763f2257b676
- https://git.kernel.org/stable/c/3d950c34074ed74d2713c3856ba01264523289e6
- https://git.kernel.org/stable/c/c93017c8d5ebf55a4e453ac7c84cc84cf92ab570
- https://git.kernel.org/stable/c/cffb5382bd8d3cf21b874ab5b84bf7618932286b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.2