CVE-2026-31743

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

Equal to or higher than the score of 2.4% 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

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

2026-05-01 14:14Z6 MO AGO

Last updated

2026-08-05 12:24Z2 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-787Out-of-bounds WriteBase
• CWE-131Incorrect Calculation of Buffer SizeBase

Data version

5.2

Document digest

bf942ed27380908200ddafc9779ef9b1c5d679a331ca799abb6a56ae9a745a43

• git.kernel.orghttps://git.kernel.org/stable/c/2f6e5b9964d0a63a5ba84fca2642876afb70a662
• git.kernel.orghttps://git.kernel.org/stable/c/784ed4abded1ca4b525fa4cade8b02f8c5d2a087
• git.kernel.orghttps://git.kernel.org/stable/c/6c01e7f11f5e5f22285d19510a9643e2506e13c3
• git.kernel.orghttps://git.kernel.org/stable/c/f9b88613ff402aa6fe8fd020573cb95867ae947e