CVE-2025-21841

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

0.19% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 8.8% 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

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

Red Hat severity

Low. 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

2025-03-07 09:09Z1 YR AGO

Last updated

2026-05-11 21:07Z3 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-911Improper Update of Reference CountBase

Data version

5.2

Document digest

929427d71f463dd30505f8ef7a4b7fe40e78f26e369bdf724f0f28c6d5f0dbca

• git.kernel.orghttps://git.kernel.org/stable/c/56e6976793c0fcf1638aa534242408ab4e4ca705
• git.kernel.orghttps://git.kernel.org/stable/c/28e4c515cf644c621800bd97841757fd49891ba4
• git.kernel.orghttps://git.kernel.org/stable/c/3ace20038e19f23fe73259513f1f08d4bf1a3c83