CVE-2025-21697

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

0.26% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 16.8% 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 2026-07-30.

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

2025-02-12 13:27Z1 YR AGO

Last updated

2026-08-05 11:53Z1 MO AGO

Reserved

2024-12-29

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.8)

CNA CVSS vector

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

Weaknesses

• CWE-476NULL Pointer DereferenceBase

Data version

5.2

Document digest

707b7755a101fe2f46f4735b297524efff4a27df5b501ddaba3b95c41e0162fe

• git.kernel.orghttps://git.kernel.org/stable/c/1bd6303d08c85072ce40ac01a767ab67195105bd
• git.kernel.orghttps://git.kernel.org/stable/c/a34050f70e7955a359874dff1a912a748724a140
• git.kernel.orghttps://git.kernel.org/stable/c/14e0a874488e79086340ba8e2d238cb9596b68a8
• git.kernel.orghttps://git.kernel.org/stable/c/2a1c88f7ca5c12dff6fa6787492ac910bb9e4407
• git.kernel.orghttps://git.kernel.org/stable/c/63195bae1cbf78f1d392b1bc9ae4b03c82d0ebf3
• git.kernel.orghttps://git.kernel.org/stable/c/b22467b1ae104073dcb11aa78562a331cd7fb0e0
• git.kernel.orghttps://git.kernel.org/stable/c/e4b5ccd392b92300a2b341705cc4805681094e49
• 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