CVE-2026-31499

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

0.09% 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

Modified. 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

2026-04-22 13:54Z4 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-833DeadlockBase

Data version

5.2

Document digest

8fc60add49dd86cf50061a1dbd43e9529b58989a935346d4fd6073ee995d2538

• git.kernel.orghttps://git.kernel.org/stable/c/f7f35a4f7fd574f5889bb2e4b397e14cbb83f6da
• git.kernel.orghttps://git.kernel.org/stable/c/3f26ecbd9cde621dd94be7ef252c7210b965a5c7
• git.kernel.orghttps://git.kernel.org/stable/c/d008460de352e534f6721de829b093368564ec66
• git.kernel.orghttps://git.kernel.org/stable/c/00fdebbbc557a2fc21321ff2eaa22fd70c078608