CVE-2026-31517

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 2.2% of scored records. A rank, not a probability.

NVD base score

5.5 (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:N/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

2026-04-22 13:54Z4 MO AGO

Last updated

2026-05-11 22:10Z3 MO AGO

Reserved

2026-03-09

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-401Missing Release of Memory after Effective LifetimeVariant
• CWE-788Access of Memory Location After End of BufferBase

Data version

5.2

Document digest

ee0a89aa023050451a020e0b4fc2a2e4452895ffc08d1fbfb2f7bec23ef7fcf2

• git.kernel.orghttps://git.kernel.org/stable/c/33a7b36268933c75bdc355e5531951e0ea9f1951
• git.kernel.orghttps://git.kernel.org/stable/c/7fdfe8f6efeb0e1200e22a903f2471539f54522b
• git.kernel.orghttps://git.kernel.org/stable/c/0b352f83cabfefdaafa806d6471f0eca117dc7d5