CVE-2026-31509

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

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2026-04-22 13:54Z4 MO AGO

Last updated

2026-05-11 22:10Z3 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-833DeadlockBase

Data version

5.2

Document digest

973ccfbca6c7939eb25c5f61f4ca0663405c2cd620d18ce4bf8f8d507140cfd0

• git.kernel.orghttps://git.kernel.org/stable/c/7ed00a3edc8597fe2333f524401e2889aa1b5edf
• git.kernel.orghttps://git.kernel.org/stable/c/5eef9ebec7f5738f12cadede3545c05b34bf5ac3
• git.kernel.orghttps://git.kernel.org/stable/c/ca54e904a071aa65ef3ad46ba42d51aaac6b73b4
• git.kernel.orghttps://git.kernel.org/stable/c/eb435d150ca74b4d40f77f1a2266f3636ed64a79
• git.kernel.orghttps://git.kernel.org/stable/c/1edc12d2bbcb7a8d0f1088e6fccb9d8c01bb1289
• git.kernel.orghttps://git.kernel.org/stable/c/d89b74bf08f067b55c03d7f999ba0a0e73177eb3
• git.kernel.orghttps://git.kernel.org/stable/c/09143c0e8f3b03517e6233aad42f45c794d8df8e
• git.kernel.orghttps://git.kernel.org/stable/c/4527025d440ce84bf56e75ce1df2e84cb8178616