CVE-2025-21681

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

0.22% 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

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

2025-01-31 11:25Z1 YR AGO

Last updated

2026-05-23 15:56Z3 MO AGO

Reserved

2024-12-29

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-835Loop with Unreachable Exit Condition ('Infinite Loop')Base

Data version

5.2

Document digest

50445ffa3a7d7397040138941848146e63ec8ed7858ddf2dcdf5f61ad8e24aa3

• git.kernel.orghttps://git.kernel.org/stable/c/b5c73fc92f8d15c16e5dc87b5c17d2abf1e6d092
• git.kernel.orghttps://git.kernel.org/stable/c/87fcf0d137c770e6040ebfdb0abd8e7dd481b504
• git.kernel.orghttps://git.kernel.org/stable/c/930268823f6bccb697aa5d2047aeffd4a497308c
• git.kernel.orghttps://git.kernel.org/stable/c/ea9e990356b7bee95440ba0e6e83cc4d701afaca
• git.kernel.orghttps://git.kernel.org/stable/c/ea966b6698785fb9cd0fdb867acd91b222e4723f
• git.kernel.orghttps://git.kernel.org/stable/c/82f433e8dd0629e16681edf6039d094b5518d8ed
• git.kernel.orghttps://git.kernel.org/stable/c/47e55e4b410f7d552e43011baa5be1aab4093990
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2025/03/msg00001.html