CVE-2025-21709

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 9.8% 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 2026-07-30.

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

2025-02-27 02:07Z1 YR AGO

Last updated

2026-08-05 11:53Z1 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-457Use of Uninitialized VariableVariant

Data version

5.2

Document digest

489b06d2e01cd45c6cff1c1045cf1fc3a5c294c0bdac5b62e20e69eecbc7dcb6

• git.kernel.orghttps://git.kernel.org/stable/c/74c2471eb891a7dcb3874b21c106cda75f52be30
• git.kernel.orghttps://git.kernel.org/stable/c/da139948aeda677ac09cc0e7d837f8a314de7d55
• git.kernel.orghttps://git.kernel.org/stable/c/64c37e134b120fb462fb4a80694bfb8e7be77b14