CVE-2026-31453

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

0.13% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 3.0% of scored records. A rank, not a probability.

NVD base score

7.8 (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:H/I:H/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 13:53Z4 MO AGO

Last updated

2026-08-05 12:22Z1 MO AGO

Reserved

2026-03-09

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.8)

CNA CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses

• CWE-476NULL Pointer DereferenceBase
• CWE-825Expired Pointer DereferenceBase

Data version

5.2

Document digest

5dad35de77a8f3a0eb602509ca73e9575137d8ee0ce980472bdf6672fb8b0660

• git.kernel.orghttps://git.kernel.org/stable/c/c8a2ab339b88d10fc34a3318c92f07d8a467019d
• git.kernel.orghttps://git.kernel.org/stable/c/7121b22b0bac89394cc4c6a54b5aebc15347bdf5
• git.kernel.orghttps://git.kernel.org/stable/c/c4d603e8e58a3bf35480135ccca2b4f7238abda5
• git.kernel.orghttps://git.kernel.org/stable/c/95fb5d643cc70959baa54cd17f52f80ffc3295e7
• git.kernel.orghttps://git.kernel.org/stable/c/451c6329d9afa45862c36fe6677eb7750db60617
• git.kernel.orghttps://git.kernel.org/stable/c/79ef34ec0554ec04bdbafafbc9836423734e1bd6