CVE-2026-31756

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.10% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 0.7% of scored records. A rank, not a probability.

NVD base score

5.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-05-01 14:14Z4 MO AGO

Last updated

2026-05-23 16:05Z3 MO AGO

Reserved

2026-03-09

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-667Improper LockingClass
• CWE-832Unlock of a Resource that is not LockedBase

Data version

5.2

Document digest

6bdaabade9b9bd6dbbf2054c272d5e168f1cdc3a230eb45d9472307b4f808fa5

• git.kernel.orghttps://git.kernel.org/stable/c/e9fcca3e87463013d595c65c2189ffaa32ad3b50
• git.kernel.orghttps://git.kernel.org/stable/c/8ffe31acb3b77a30ae34d01719a269881569fb7f
• git.kernel.orghttps://git.kernel.org/stable/c/beab10429439e20708036a66fb0d97ffb79da6a1
• git.kernel.orghttps://git.kernel.org/stable/c/4ed9d2dd9f29828c311db6ec4b8e0d34bfd6d6a4
• git.kernel.orghttps://git.kernel.org/stable/c/61937f686290494998236c680ce0836b8dd63a3f
• git.kernel.orghttps://git.kernel.org/stable/c/51b62286fc668c6eb74dee7624ec0beec3c5a0ed
• git.kernel.orghttps://git.kernel.org/stable/c/9bb4b5ed7f8c4f95cc556bdf042b0ba2fa13557a