CVE-2026-31479

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 2.9% 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 13:54Z4 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-823Use of Out-of-range Pointer OffsetBase

Data version

5.2

Document digest

297e3e29a7e04f7494de257b9226416541fc5725bfc6aa7e9e9a91717cd77dd9

• git.kernel.orghttps://git.kernel.org/stable/c/ccd41f110c608b3cc347b9be881c3e72cd634b2b
• git.kernel.orghttps://git.kernel.org/stable/c/5eda8001ebb5269755608d678dd1f3928ab077c9
• git.kernel.orghttps://git.kernel.org/stable/c/e6ba1749549e87b83c0c4885d84b543687c3740e
• git.kernel.orghttps://git.kernel.org/stable/c/bfe9e314d7574d1c5c851972e7aee342733819d2