CVE-2026-31661

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

0.11% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 1.8% 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

2026-04-24 14:45Z4 MO AGO

Last updated

2026-05-11 22:13Z3 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-763Release of Invalid Pointer or ReferenceBase

Data version

5.2

Document digest

4f7683ce54dd739fb98d0210a5847792d9c96c216f73460f2f37961d3385969e

• git.kernel.orghttps://git.kernel.org/stable/c/f449676bab54fea1440775c8c915dadb323fe015
• git.kernel.orghttps://git.kernel.org/stable/c/3c204a0fd079fa7a867151a47d830ad1c2db5177
• git.kernel.orghttps://git.kernel.org/stable/c/0f87777b74bcce29b966ec42d9aa8f9edd9b1667
• git.kernel.orghttps://git.kernel.org/stable/c/4bf41c2731a0549e21f66180ff780b1e036639ab
• git.kernel.orghttps://git.kernel.org/stable/c/77263f053963dea9f3962505ac0c768853d7dc59
• git.kernel.orghttps://git.kernel.org/stable/c/b27fa888e4a426a3bcf6f6ab24701d888d9bf5aa
• git.kernel.orghttps://git.kernel.org/stable/c/01f1330d3d1bee07e0c42d40cc48b7be8b6dad84
• git.kernel.orghttps://git.kernel.org/stable/c/12cd7632757a54ce586e36040210b1a738a0fc53