CVE-2026-31646

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 2.4% 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

2026-04-24 14:44Z4 MO AGO

Last updated

2026-05-11 22:12Z3 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-252Unchecked Return ValueBase

Data version

5.2

Document digest

dbede28755ae15c9e7e4e73d773055ae0ea8bdeaa9e3c5b548ba08c3341504a1

• git.kernel.orghttps://git.kernel.org/stable/c/e63265f188ea39dcf5f546770650027528f3bd0f
• git.kernel.orghttps://git.kernel.org/stable/c/305832c53551cfbe6e5b81ca7ee765e60f4fe8e9
• git.kernel.orghttps://git.kernel.org/stable/c/b5dcb41ba891b55157006cac79825c78a32b409e
• git.kernel.orghttps://git.kernel.org/stable/c/7caf90d9ab97951a58d1de85ab7e7d7cca7a4513
• git.kernel.orghttps://git.kernel.org/stable/c/3fd0da4fd8851a7e62d009b7db6c4a05b092bc19