CVE-2026-31780

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

0.14% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 4.1% 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

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

2026-05-01 14:15Z4 MO AGO

Last updated

2026-08-05 12:25Z1 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-190Integer Overflow or WraparoundBase

Data version

5.2

Document digest

bf935097c5e78cf0bd5d4e48d012caaadd48d0340d7e66975aa8308b7c22c37c

• git.kernel.orghttps://git.kernel.org/stable/c/34a23fd9ddd683a03c7e8cc0ceded3e59e354b99
• git.kernel.orghttps://git.kernel.org/stable/c/549f02d8ec94d39092ab6d9b103d0d6783a4b024
• git.kernel.orghttps://git.kernel.org/stable/c/bfbddeadd4779651403035ee177ae2f22f9f5521
• git.kernel.orghttps://git.kernel.org/stable/c/9907ac9b9a18b92fc34b9e4cb9e10f208dc1d3f7
• git.kernel.orghttps://git.kernel.org/stable/c/c97b2a00059608592ad0d86fbb813a4f8cf9464b
• git.kernel.orghttps://git.kernel.org/stable/c/d8388614de613c28eeb659c10115060a83739924
• git.kernel.orghttps://git.kernel.org/stable/c/0c7f21d8bd2f93998b72b7a7f93152336aeca4dd
• git.kernel.orghttps://git.kernel.org/stable/c/d049e56b1739101d1c4d81deedb269c52a8dbba0