Improper control of a resource through its lifetime in Linux kernel - CVE-2026-46265
Published: June 4, 2026
Vulnerability identifier: #VU133324
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-2026-46265
CWE-ID: CWE-664
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 cause a denial of service.
The vulnerability exists due to improper resource management in the hns_roce_irq_workq workqueue in the RDMA/hns driver when destroying queue pairs during reset handling with sunrpc and rpcrdma in use. A local user can trigger queue pair destruction to cause a denial of service.
The issue can occur when sunrpc is used and a reset is triggered.
How to mitigate CVE-2026-46265
Install security update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/0cbec8b49270f3f0600b8e3ef5e8f0d233dcea27
- https://git.kernel.org/stable/c/12761bd0ae16a80f237c2a65ab1b1064076cc74a
- https://git.kernel.org/stable/c/562c96b1393da2df3ea62173c84117b39da353b9
- https://git.kernel.org/stable/c/70a5eb757ace5bd627a36f04d871eaf85def424d
- https://git.kernel.org/stable/c/c0a26bbd3f99b7b03f072e3409aff4e6ec8af6f6
- https://git.kernel.org/stable/c/c5ef9a1bcf5b597695d9c2e6ac452e9f89521862