CVE-2025-21715

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

0.24% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 14.6% 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

2025-02-27 02:07Z1 YR AGO

Last updated

2026-05-23 15:56Z3 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

dc7e389dae65d42889b8593562ffd94bf71a86ae952b9d2d095c84fc14da3ce4

• git.kernel.orghttps://git.kernel.org/stable/c/db79e982c5f9e39ab710cbce55b05f2f5e6f1ca9
• git.kernel.orghttps://git.kernel.org/stable/c/a53cb72043443ac787ec0b5fa17bb3f8ff3d462b
• git.kernel.orghttps://git.kernel.org/stable/c/7d7d201eb3b766abe590ac0dda7a508b7db3e357
• git.kernel.orghttps://git.kernel.org/stable/c/c94ab07edc2843e2f3d46dbd82e5c681503aaadf
• git.kernel.orghttps://git.kernel.org/stable/c/c411f9a5fdc9158e8f7c57eac961d3df3eb4d8ca
• git.kernel.orghttps://git.kernel.org/stable/c/5a54367a7c2378c65aaa4d3cfd952f26adef7aa7
• git.kernel.orghttps://git.kernel.org/stable/c/2013c95df6752d9c88221d0f0f37b6f197969390
• git.kernel.orghttps://git.kernel.org/stable/c/19e65c45a1507a1a2926649d2db3583ed9d55fd9
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2025/05/msg00030.html
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2025/03/msg00028.html