SB2025070428 - Use-after-free in Linux kernel hw mlx5 driver
Published: July 4, 2025
Security Bulletin ID
SB2025070428
CSH 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 vulnerability.
1) Use-after-free (CVE-ID: CVE-2025-38161)
CWE-ID: CWE-416 - Use After Free
CVSSv4: 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
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the mlx5_get_rsc(), create_resource_common() and mlx5_core_destroy_rq_tracked() functions in drivers/infiniband/hw/mlx5/qpc.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/0a7790cbba654e925243571cf2f24d61603d3ed3
- https://git.kernel.org/stable/c/26d2f662d3a6655a82fd8a287e8b1ce471567f36
- https://git.kernel.org/stable/c/50ac361ff8914133e3cf6ef184bac90c22cb8d79
- https://git.kernel.org/stable/c/5d2ea5aebbb2f3ebde4403f9c55b2b057e5dd2d6
- https://git.kernel.org/stable/c/7c4c84cdcc19e89d42f6bf117238e5471173423e
- https://git.kernel.org/stable/c/cf32affe6f3801cfb72a65e69c4bc7a8ee9be100
- https://git.kernel.org/stable/c/f9784da76ad7be66230e829e743bdf68a2c49e56