CVE-2026-53103

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

0.09% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 0.7% 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 2026-07-21.

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

2026-06-24 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-667Improper LockingClass
• CWE-833DeadlockBase

Data version

5.2

Document digest

335742db501cbeb9297779b7017049956e1c29db900166f19f4b5e5395cfe531

• git.kernel.orghttps://git.kernel.org/stable/c/153bcba36c87a1ba555b57b6c49028d5812f895b
• git.kernel.orghttps://git.kernel.org/stable/c/2d8e0053bca29143ace51e08c980ff076844a4b0
• git.kernel.orghttps://git.kernel.org/stable/c/dd08ca3f092f4185ece69ce2a835c23198b1628a