SB20260424219 - Improper Initialization in Linux kernel hw irdma driver
Published: April 24, 2026
Security Bulletin ID
SB20260424219
CSH 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 vulnerability.
1) Improper Initialization (CVE-ID: CVE-2026-31492)
CWE-ID: CWE-665 - Improper Initialization
CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper initialization in irdma_create_qp and irdma_destroy_qp when handling a failure from ib_copy_to_udata during queue pair creation. A local user can trigger an error during queue pair creation to cause a denial of service.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/11a95521fb93c91e2d4ef9d53dc80ef0a755549b
- https://git.kernel.org/stable/c/3cb88c12461b71c7d9c604aa2e6a9a477ecfa147
- https://git.kernel.org/stable/c/ac1da7bd224d406b6f1b84414f0f652ab43b6bd8
- https://git.kernel.org/stable/c/af310407f79d5816fc0ab3638e1588b6193316dd
- https://git.kernel.org/stable/c/cd1534c8f4984432382c240f6784408497f5bb0a
- https://git.kernel.org/stable/c/f72996834f7bdefc2b95e3eec30447ee195df44e