CVE-2025-21815

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 8.6% of scored records. A rank, not a probability.

NVD base score

7.1 (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:N/A:H

NVD analysis status

Analyzed. 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

2025-02-27 20:04Z1 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-125Out-of-bounds ReadBase
• CWE-190Integer Overflow or WraparoundBase

Data version

5.2

Document digest

23b2fa39c650d809818ac9ea690cec06e1c8fbd0b34ed421b66ac418a1411118

• git.kernel.orghttps://git.kernel.org/stable/c/4491159774d973a9e2e998d25d8fbb20fada6dfa
• git.kernel.orghttps://git.kernel.org/stable/c/10b7d3eb535098ccd4c82a182a33655d8a0e5c88
• git.kernel.orghttps://git.kernel.org/stable/c/d1366e74342e75555af2648a2964deb2d5c92200