SB20251230165 - Use-after-free in Linux kernel hw efa driver
Published: December 30, 2025 Updated: December 31, 2025
Security Bulletin ID
SB20251230165
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-2023-54201)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the efa_destroy_qp() and efa_destroy_cq() functions in drivers/infiniband/hw/efa/efa_verbs.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/24f9884971f9b34915b67baacf7350a3f6f19ea4
- https://git.kernel.org/stable/c/cf38960386f3cc4abf395e556af915e4babcafd2
- https://git.kernel.org/stable/c/dc202c57e9a1423aed528e4b8dc949509cd32191
- https://git.kernel.org/stable/c/e79db2f51a564fd4daa3e508b987df5e81c34b20
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.16