CVE-2026-31540

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

Low. 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 14:33Z4 MO AGO

Last updated

2026-05-11 22:10Z3 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-824Access of Uninitialized PointerBase

Data version

5.2

Document digest

250bb43d39c805bd323ef31333c4bcfff5876faaf9f6797c9726ee3ce6045bfa

• git.kernel.orghttps://git.kernel.org/stable/c/db8b1bebe81ffb410ddd746b6869f72e22420850
• git.kernel.orghttps://git.kernel.org/stable/c/da6552d67012a1cf0585f2eb401d0c4abcf108c9
• git.kernel.orghttps://git.kernel.org/stable/c/df1f4a7d9cf689b4e96c95255228896505f44c31
• git.kernel.orghttps://git.kernel.org/stable/c/2e20a886b443a71b573ceaed3ca7053d15380916
• git.kernel.orghttps://git.kernel.org/stable/c/cf4b224ffb9a58181be32b64130fc36cf59c3192
• git.kernel.orghttps://git.kernel.org/stable/c/1a16150729db8d997e39519f9d58e6b435c4c087
• git.kernel.orghttps://git.kernel.org/stable/c/0162ab3220bac870e43e229e6e3024d1a21c3f26