CVE-2025-38253

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 9.3% 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

2025-07-09 10:42Z1 YR AGO

Last updated

2026-08-05 12:00Z1 MO AGO

Reserved

2025-04-16

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 8.8)

CNA CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

• CWE-364Signal Handler Race ConditionBase

Data version

5.2

Document digest

2eda6a0dc68521d7d597eaf3190fe3ce4657bd2bac822433edde9356bd8640b5

• git.kernel.orghttps://git.kernel.org/stable/c/a4f182ffa30c52ad1c8e12edfb8049ee748c0f1b
• git.kernel.orghttps://git.kernel.org/stable/c/57a3d82200dbeccd002244b96acad570eeeb731f
• git.kernel.orghttps://git.kernel.org/stable/c/f3054152c12e2eed1e72704aff47b0ea58229584