SB20250226279 - Use-after-free in Linux kernel crypto ccree driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226279
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-2022-49258)
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.
References
- 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