CVE-2026-31520

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 2.5% 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

Low. 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-772Missing Release of Resource after Effective LifetimeBase

Data version

5.2

Document digest

56f05c4164bf328caa9eed999a58320440ef15a84c99c175e798f59538a64cad

• git.kernel.orghttps://git.kernel.org/stable/c/e2f090aeb7b9930a964e151910f4d45b04c8a7e5
• git.kernel.orghttps://git.kernel.org/stable/c/2635d0c715f3fb177e0f80ecd5fa48feb6bf3884
• git.kernel.orghttps://git.kernel.org/stable/c/31860c3f7ac66ab897a8c90dc4e74fa17ca0b624
• git.kernel.orghttps://git.kernel.org/stable/c/be1a341c161430282acdfe2ac99b413271575cf1
• git.kernel.orghttps://git.kernel.org/stable/c/e652ebd29928181c3e6820e303da25873e9917d4
• git.kernel.orghttps://git.kernel.org/stable/c/239c15116d80f67d32f00acc34575f1a6b699613