Improper resource shutdown or release in Linux kernel - CVE-2026-31737
Published: May 2, 2026
Vulnerability identifier: #VU128956
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-31737
CWE-ID: CWE-404
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 shutdown or release in ftgmac100_alloc_rings() when opening the network device. A local user can trigger an open failure to cause a denial of service.
How to mitigate CVE-2026-31737
Install security update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/184b3a500d60ea48d1b176103cff1706c456edf3
- https://git.kernel.org/stable/c/78da43320d9d6ed788147fb085184e4fc801f057
- https://git.kernel.org/stable/c/82f86111f0704ab2ded11a2033bc6cf0be3e09ea
- https://git.kernel.org/stable/c/8351d18989c8642fc53e2e12d94e42314a39b078
- https://git.kernel.org/stable/c/8a71911fc7eeea930153322bc1efc065db8cd97e
- https://git.kernel.org/stable/c/a7e1bf392acf11dc4209820fef75758f6e42bd65
- https://git.kernel.org/stable/c/c0fd0fe745f5e8c568d898cd1513d0083e46204a
- https://git.kernel.org/stable/c/d45230081f19c280096241353c26b0de457de795