CVE-2026-31683

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

Ranks above 2.3% 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

2026-04-25 08:47Z4 MO AGO

Last updated

2026-08-05 12:24Z1 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-131Incorrect Calculation of Buffer SizeBase

Data version

5.2

Document digest

a9d563827ada7c75322db99e79e8c46233fd5ebeb649a70338283eed0184f8d4

• git.kernel.orghttps://git.kernel.org/stable/c/67176c96f325837b0bb3e9538ca2eba414f447d8
• git.kernel.orghttps://git.kernel.org/stable/c/0b10a8b355c3f71012ce89289ec2c2f5e3bfd6c1
• git.kernel.orghttps://git.kernel.org/stable/c/6755347c5f9bdd44dee80f692208b056fcd40a52
• git.kernel.orghttps://git.kernel.org/stable/c/1ada20331f2df2a942d6b83ae1f04a304b642e2a
• git.kernel.orghttps://git.kernel.org/stable/c/6e40ebb999c2c3d2fbb3cacb61f0384ee6e69075
• git.kernel.orghttps://git.kernel.org/stable/c/0e35db29fc5a97a8553f7c2d3a2ba730e46b1ee8
• git.kernel.orghttps://git.kernel.org/stable/c/eda89a1bae0602aec8314ced299bb243b9f9aeef
• git.kernel.orghttps://git.kernel.org/stable/c/0d4aef630be9d5f9c1227d07669c26c4383b5ad0