CVE-2026-31707

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 2.6% of scored records. A rank, not a probability.

NVD base score

7.1 (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:N/A:H

NVD analysis status

Modified. 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

2026-05-01 13:56Z4 MO AGO

Last updated

2026-08-05 12:24Z1 MO AGO

Reserved

2026-03-09

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.1)

CNA CVSS vector

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

Weaknesses

• CWE-787Out-of-bounds WriteBase
• CWE-131Incorrect Calculation of Buffer SizeBase

Data version

5.2

Document digest

494f43af0d1a470c8d9261bc2e8b1401166889e079a33998638a38baae8adaed

• git.kernel.orghttps://git.kernel.org/stable/c/bf396208418371174869baba9434535cd3288e80
• git.kernel.orghttps://git.kernel.org/stable/c/7dd0c858e1909769a4c91842724315ee74f1a5f1
• git.kernel.orghttps://git.kernel.org/stable/c/299db777ea0cfa5c407e41b045c24a14c034c27b
• git.kernel.orghttps://git.kernel.org/stable/c/99c631d0366c1eab8fb188fe66425f4581ebdde4
• git.kernel.orghttps://git.kernel.org/stable/c/d6a6aa81eac2c9bff66dc6e191179cb69a14426b