CVE-2026-31408

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

0.31% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 22.8% of scored records. A rank, not a probability.

NVD base score

8.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-08-19.

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

2026-04-06 07:38Z5 MO AGO

Last updated

2026-08-19 16:27Z16 DAYS AGO

Reserved

2026-03-09

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 8.8)

CNA CVSS vector

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

Weaknesses

No CWE assigned

Data version

5.2

Document digest

aae447119e3193d2197d5dd96b632d0901097e7d72e318d84ca6894c03b7e814

• git.kernel.orghttps://git.kernel.org/stable/c/37e18bc8c9a70d77bd099e2273f328b3bc7f6d0d
• git.kernel.orghttps://git.kernel.org/stable/c/d57384e27d1ebf0047e3f00a6e1181b8be9857a2
• git.kernel.orghttps://git.kernel.org/stable/c/b0a7da0e3f7442545f071499beb36374714bb9de
• git.kernel.orghttps://git.kernel.org/stable/c/45aaca995e4a7a05b272a58e7ab2fff4f611b8f1
• git.kernel.orghttps://git.kernel.org/stable/c/108b81514d8f2535eb16651495cefb2250528db3
• git.kernel.orghttps://git.kernel.org/stable/c/7197462e90b8ce15caa1ae15d4bc2bb8cd21b11e
• git.kernel.orghttps://git.kernel.org/stable/c/e76e8f0581ef555eacc11dbb095e602fb30a5361
• git.kernel.orghttps://git.kernel.org/stable/c/598dbba9919c5e36c54fe1709b557d64120cb94b