Improper locking in Linux kernel - CVE-2026-46112
Published: May 29, 2026
Vulnerability identifier: #VU133084
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2026-46112
CWE-ID: CWE-667
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to corrupt memory.
The vulnerability exists due to improper locking in hns_roce_create_qp_common() and hns_roce_qp_remove() when handling error unwind during queue pair creation. A local user can trigger the error path to corrupt memory.
How to mitigate CVE-2026-46112
Install security update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/0c99acbc8b6c6dd526ae475a48ee1897b61072fb
- https://git.kernel.org/stable/c/1912f78798505dc9c637081bbddfbf1c22494c49
- https://git.kernel.org/stable/c/615d9d260c32bb678504ca96f29ae46f9d745155
- https://git.kernel.org/stable/c/fb4ae739811d467409bd07d0e36cfd4140f3d26a
- https://git.kernel.org/stable/c/fcf6a832c0d5b2bc5398d6996c5570d3ee7993fb