Improper control of a resource through its lifetime in Linux kernel - CVE-2026-31431

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Main Vulnerability Database Vulnerabilities #VU127864

Improper control of a resource through its lifetime in Linux kernel - CVE-2026-31431

Published: April 25, 2026 / Updated: April 30, 2026


Vulnerability identifier: #VU127864
CSH Severity: Low
CVSSv4.0: 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:P/U:Clear
CVE-ID: CVE-2026-31431
CWE-ID: CWE-664
Exploitation vector: Local access
Exploit availability: Public exploit is available
Vulnerable software:
Linux kernel
Software vendor:
Linux Foundation

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper memory handling within the authencesn cryptographic template in algif_aead when processing AEAD operations. A local user can trigger the vulnerable code path to execute arbitrary code on the system.


Remediation

Install security update from vendor's repository.

External links