CVE-2026-31519

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

0.12% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 2.5% 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

2026-04-22 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-476NULL Pointer DereferenceBase
• CWE-367Time-of-check Time-of-use (TOCTOU) Race ConditionBase

Data version

5.2

Document digest

b9988fd5d36cec3e040e3ce816ef4e27deeec483d6202f7cf0ce7b6f2510aba1

• git.kernel.orghttps://git.kernel.org/stable/c/d43da8de0ed376abafbad8a245a1835e8f66cb0f
• git.kernel.orghttps://git.kernel.org/stable/c/c57276ced3c3207f42182dfa2f0d8e860357e111
• git.kernel.orghttps://git.kernel.org/stable/c/a41a9b8d19a98b45591528c6e54d31cc66271d1e
• git.kernel.orghttps://git.kernel.org/stable/c/2ec578e6452138ab76f6c9a9c18711fcd197649f
• git.kernel.orghttps://git.kernel.org/stable/c/696683f214495db3cdacab9a713efaaced8660f8
• git.kernel.orghttps://git.kernel.org/stable/c/5131fa077f9bb386a1b901bf5b247041f0ec8f80