CVE-2025-21688

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.18% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 7.5% of scored records. A rank, not a probability.

NVD base score

4.7 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:H/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

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

2025-02-10 15:58Z1 YR AGO

Last updated

2026-05-23 15:56Z5 MO AGO

Reserved

2024-12-29

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Medium (CVSS 4.7)

CNA CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Weaknesses

• CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')Class

Data version

5.2

Document digest

c56498d80ae284d0810cfae1f8c3fa00f85fb4cd814db9088221aa6df77396b7

• git.kernel.orghttps://git.kernel.org/stable/c/9793206fbf5293534c3a79d78f196e2cbb48c22d
• git.kernel.orghttps://git.kernel.org/stable/c/1f66a3a1a516e4d545906916b3f3c8d1c5e909e6
• git.kernel.orghttps://git.kernel.org/stable/c/6cfafcad46e95351c477da0ae7e3acb8f7550ada
• git.kernel.orghttps://git.kernel.org/stable/c/a9401cd5d1bb5a0b8d2bef09623ca43551cd6e8a
• git.kernel.orghttps://git.kernel.org/stable/c/431fb709db434565b5e7cee82a11bd681a794fd3
• git.kernel.orghttps://git.kernel.org/stable/c/01a7e3a43ee2e6607169a75889412344c10b37fd
• git.kernel.orghttps://git.kernel.org/stable/c/3059e7aaa280daea57bb069fbc65225e1bb95014
• git.kernel.orghttps://git.kernel.org/stable/c/6e64d6b3a3c39655de56682ec83e894978d23412
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2025/03/msg00001.html
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2025/03/msg00002.html