CVE-2026-31587

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 2.7% 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

Modified. 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 14:42Z4 MO AGO

Last updated

2026-08-05 12:23Z1 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-416Use After FreeVariant
• CWE-825Expired Pointer DereferenceBase

Data version

5.2

Document digest

0ba1f94a39009ffcfb5cddb1bd85e45df6b871a182f55b9c01d6482cd82ac209

• git.kernel.orghttps://git.kernel.org/stable/c/110769a9aa51135ac7ce479a47dfb41924f37664
• git.kernel.orghttps://git.kernel.org/stable/c/887632163b546a8944b46ef465f1d74e838b727a
• git.kernel.orghttps://git.kernel.org/stable/c/b7412ed789ffb1e59c8d6f5ab6a6a718963c85e2
• git.kernel.orghttps://git.kernel.org/stable/c/30383b7780ffa140bc124de5b66cae7c84133dbb
• git.kernel.orghttps://git.kernel.org/stable/c/f7b790531cdad3b2075ab937aa06d7b802403be4
• git.kernel.orghttps://git.kernel.org/stable/c/a561a55b79a9c55f0443377f2d4dcf6149d057af
• git.kernel.orghttps://git.kernel.org/stable/c/6ec1235fc941dac6c011b30ee01d9220ff87e0cd