CVE-2025-21684

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

0.20% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 10.3% 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 2026-06-17.

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

2025-02-09 11:37Z1 YR AGO

Last updated

2026-05-11 21:04Z3 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

Data version

5.2

Document digest

038507b73c3272dcb96e5c2bacbd5b5b74c2828afd994d9c1d6ad33b49e1c494

• git.kernel.orghttps://git.kernel.org/stable/c/d25041d4a3b2af64c888cf762362b2528ba59294
• git.kernel.orghttps://git.kernel.org/stable/c/f0ed2d0abc021f56fa27dc6d0770535c1851a43b
• git.kernel.orghttps://git.kernel.org/stable/c/b0111650ee596219bb5defa0ce1a1308e6e77ccf
• git.kernel.orghttps://git.kernel.org/stable/c/9c035105c5537d2ecad6b9415e9417a1ffbd0a62
• git.kernel.orghttps://git.kernel.org/stable/c/9860370c2172704b6b4f0075a0c2a29fd84af96a
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2025/03/msg00028.html