CVE-2025-21734

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.20% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 10.0% 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 2026-07-30.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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 02:12Z1 YR AGO

Last updated

2026-08-05 11:54Z1 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-787Out-of-bounds WriteBase

Data version

5.2

Document digest

6d0e2969e3ad5918e4bc3d1360482ade033c92abdf4def84df55a52a0ffc47cc

• git.kernel.orghttps://git.kernel.org/stable/c/c56ba3ea8e3c9a69a992aad18f7a65e43e51d623
• git.kernel.orghttps://git.kernel.org/stable/c/c0464bad0e85fcd5d47e4297d1e410097c979e55
• git.kernel.orghttps://git.kernel.org/stable/c/24a79c6bc8de763f7c50f4f84f8b0c183bc25a51
• git.kernel.orghttps://git.kernel.org/stable/c/c3f7161123fcbdc64e90119ccce292d8b66281c4
• git.kernel.orghttps://git.kernel.org/stable/c/e966eae72762ecfdbdb82627e2cda48845b9dd66
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2025/03/msg00028.html