CVE-2025-38463

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

0.16% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 5.5% 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

2025-07-25 15:27Z1 YR AGO

Last updated

2026-08-05 12:02Z1 MO AGO

Reserved

2025-04-16

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-191Integer Underflow (Wrap or Wraparound)Base
• CWE-681Incorrect Conversion between Numeric TypesBase

Data version

5.2

Document digest

bc771042a9eadafaba9192dc121ab547af2957ecd4cbf0204cef6f6820702724

• git.kernel.orghttps://git.kernel.org/stable/c/81373cd1d72d87c7d844d4454a526b8f53e72d00
• git.kernel.orghttps://git.kernel.org/stable/c/62e6160cfb5514787bda833d466509edc38fde23
• git.kernel.orghttps://git.kernel.org/stable/c/9f164fa6bb09fbcc60fa5c3ff551ce9eec1befd7
• git.kernel.orghttps://git.kernel.org/stable/c/d3a5f2871adc0c61c61869f37f3e697d97f03d8c