CVE-2026-53121

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

0.11% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 1.6% 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 2026-07-23.

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

2026-06-24 16:30Z2 MO AGO

Last updated

2026-06-24 16:30Z2 MO AGO

Reserved

2026-06-09

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

f790d6dc71bbfccb04615cdcd90c51de56131af0d697fffb6946480c80cbb238

• git.kernel.orghttps://git.kernel.org/stable/c/539aabbab190825c77eb455ec35652cb3720625f
• git.kernel.orghttps://git.kernel.org/stable/c/7f9aa2359742eaa6ea65ec0d20dafdfd0add9b8b
• git.kernel.orghttps://git.kernel.org/stable/c/beda3b363546a423e4e29a7395e04c0ac4ff677e