CVE-2025-21934

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 ImpacttotalSuccessful exploitation gives total 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

0.21% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 11.8% of scored records. A rank, not a probability.

NVD base score

7.8 (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:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Important. 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

2025-04-01 15:41Z1 YR AGO

Last updated

2026-08-05 11:55Z1 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-416Use After FreeVariant

Data version

5.2

Document digest

42628e44264fee91ca58a997563b62794455cba4d5d08c38f846f83e5cf26427

• git.kernel.orghttps://git.kernel.org/stable/c/d4ec862ce80f64db923a1d942b5d11cf6fc87d36
• git.kernel.orghttps://git.kernel.org/stable/c/88ddad53e4cfb6de861c6d4fb7b25427f46baed5
• git.kernel.orghttps://git.kernel.org/stable/c/cdd9f58f7fe41a55fae4305ea51fc234769fd466
• git.kernel.orghttps://git.kernel.org/stable/c/a5f5e520e8fbc6294020ff8afa36f684d92c6e6a
• git.kernel.orghttps://git.kernel.org/stable/c/2537f01d57f08c527e40bbb5862aa6ff43344898
• git.kernel.orghttps://git.kernel.org/stable/c/22e4977141dfc6d109bf29b495bf2187b4250990
• git.kernel.orghttps://git.kernel.org/stable/c/f0aa4ee1cbbf7789907e5a3f6810de01c146c211
• git.kernel.orghttps://git.kernel.org/stable/c/b2ef51c74b0171fde7eb69b6152d3d2f743ef269
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2025/05/msg00045.html
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2025/05/msg00030.html