CVE-2025-21794

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

Equal to or higher than the score of 14.0% of scored records. A rank, not a probability.

NVD base score

7.1 (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:H/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

2025-02-27 02:18Z1 YR AGO

Last updated

2026-05-11 21:06Z5 MO AGO

Reserved

2024-12-29

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.1)

CNA CVSS vector

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

Weaknesses

• CWE-125Out-of-bounds ReadBase
• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass

Data version

5.2

Document digest

574412fcc6189c100a1150c186b300400411fcc9106e51f14b1cc646fb5d3e80

• git.kernel.orghttps://git.kernel.org/stable/c/436f48c864186e9413d1b7c6e91767cc9e1a65b8
• git.kernel.orghttps://git.kernel.org/stable/c/f3ce05283f6cb6e19c220f5382def43dc5bd56b9
• git.kernel.orghttps://git.kernel.org/stable/c/cdd9a1ea23ff1a272547217100663e8de4eada40
• git.kernel.orghttps://git.kernel.org/stable/c/73e36a699b9f46322ffb81f072a24e64f728dba7
• git.kernel.orghttps://git.kernel.org/stable/c/0b43d98ff29be3144e86294486b1373b5df74c0e
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2025/03/msg00028.html