CVE-2025-21807

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

0.14% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 4.3% 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

Modified. NVD last modified this record on 2026-07-18.

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

2025-02-27 20:00Z1 YR AGO

Last updated

2026-07-18 15:00Z1 MO AGO

Reserved

2024-12-29

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

86338596060306af39252e51a437056e3597d6d7300f0b5f19df1f1a4467437e

• git.kernel.orghttps://git.kernel.org/stable/c/1645cd7fd42c236c952e9228badcac4fea1829ea
• git.kernel.orghttps://git.kernel.org/stable/c/8985da5481562e96b95e94ed8e5cc9b6565eb82b
• git.kernel.orghttps://git.kernel.org/stable/c/c99f66e4084a62a2cc401c4704a84328aeddc9ec