SB20250226569 - Double free in Linux kernel misc ocxl driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226569
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Double free (CVE-ID: CVE-2022-49455)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a double free error within the ocxl_file_register_afu() function in drivers/misc/ocxl/file.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/252768d32e92c1214aeebb5fec0844ca479bcf5c
- https://git.kernel.org/stable/c/8fb674216835e1f0c143762696d645facebb4685
- https://git.kernel.org/stable/c/950cf957fe34d40d63dfa3bf3968210430b6491e
- https://git.kernel.org/stable/c/9e9087cf34ee69f4e95d146ac29385d6e367a97b
- https://git.kernel.org/stable/c/de65c32ace9aa70d51facc61ba986607075e3a25
- https://git.kernel.org/stable/c/ee89d8dee55ab4b3b8ad8b70866b2841ba334767
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.121