CVE-2025-21689

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

0.22% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 12.8% 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 2026-06-17.

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

2026-05-11 21:04Z3 MO AGO

Reserved

2024-12-29

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Medium (CVSS 5.5)

CNA CVSS vector

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

Weaknesses

• CWE-476NULL Pointer DereferenceBase

Data version

5.2

Document digest

a52e2f612a9c1fec1136b72405cc896540610c6b38b9dda5872a111c04861dd4

• git.kernel.orghttps://git.kernel.org/stable/c/fa4c7472469d97c4707698b4c0e098f8cfc2bf22
• git.kernel.orghttps://git.kernel.org/stable/c/94770cf7c5124f0268d481886829dc2beecc4507
• git.kernel.orghttps://git.kernel.org/stable/c/6068dcff7f19e9fa6fa23ee03453ad6a40fa4efe
• git.kernel.orghttps://git.kernel.org/stable/c/4b9b41fabcd38990f69ef0cee9c631d954a2b530
• git.kernel.orghttps://git.kernel.org/stable/c/6377838560c03b36e1153a42ef727533def9b68f
• git.kernel.orghttps://git.kernel.org/stable/c/f371471708c7d997f763b0e70565026eb67cc470
• git.kernel.orghttps://git.kernel.org/stable/c/8542b33622571f54dfc2a267fce378b6e3840b8b
• git.kernel.orghttps://git.kernel.org/stable/c/575a5adf48b06a2980c9eeffedf699ed5534fade
• 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