CVE-2026-31779

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

0.27% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 19.2% of scored records. A rank, not a probability.

NVD base score

8.1 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

2026-05-01 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 8.1)

CNA CVSS vector

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

Weaknesses

• CWE-125Out-of-bounds ReadBase
• CWE-805Buffer Access with Incorrect Length ValueBase

Data version

5.2

Document digest

a4ac1036cb16b18e0354fc9691f0d1b65fdbe7fa662389dceb942c9940bd670b

• git.kernel.orghttps://git.kernel.org/stable/c/f6abac936a0dfd31d6c3e49205ec0ee75a8f887f
• git.kernel.orghttps://git.kernel.org/stable/c/ffbed27ba15ef80d1c622eeedbfef03e501ae134
• git.kernel.orghttps://git.kernel.org/stable/c/e67d8c626ace80b0fa2b48c8ec0a46b508c93442
• git.kernel.orghttps://git.kernel.org/stable/c/dd90880eb5ec5442b37eb2b95688f4a63f4883e3
• git.kernel.orghttps://git.kernel.org/stable/c/ca0e9491b98ca4c5b44204b0b3dd8062a3b5fba2
• git.kernel.orghttps://git.kernel.org/stable/c/744fabc338e87b95c4d1ff7c95bc8c0f834c6d99