CVE-2025-21669

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

0.23% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 13.8% 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

2025-01-31 11:25Z1 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

73ca69d55756bcd82a8a83edbfb68f7130eaf45f2af51b21845c1228aa01e15a

• git.kernel.orghttps://git.kernel.org/stable/c/18a7fc371d1dbf8deff16c2dd9292bcc73f43040
• git.kernel.orghttps://git.kernel.org/stable/c/6486915fa661584d70e8e7e4068c6c075c67dd6d
• git.kernel.orghttps://git.kernel.org/stable/c/88244163bc7e7b0ce9dd7bf4c8a563b41525c3ee
• git.kernel.orghttps://git.kernel.org/stable/c/d88b249e14bd0ee1e46bbe4f456e22e01b8c68de
• git.kernel.orghttps://git.kernel.org/stable/c/677579b641af109613564460a4e3bdcb16850b61
• git.kernel.orghttps://git.kernel.org/stable/c/2cb7c756f605ec02ffe562fb26828e4bcc5fdfc1
• 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
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-265688.html