CVE-2025-38455

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 5.7% 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-476NULL Pointer DereferenceBase
• CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')Class

Data version

5.2

Document digest

1b276c09d4dc9c1b5380c9a2fe760e01ff1a9670a95786c940e9273589103af8

• git.kernel.orghttps://git.kernel.org/stable/c/e0d9a7cf37ca09c513420dc88e0d0e805a4f0820
• git.kernel.orghttps://git.kernel.org/stable/c/8c8e8d4d7544bb783e15078eda8ba2580e192246
• git.kernel.orghttps://git.kernel.org/stable/c/fd044c99d831e9f837518816c7c366b04014d405
• git.kernel.orghttps://git.kernel.org/stable/c/b5725213149597cd9c2b075b87bc4e0f87e906c1
• git.kernel.orghttps://git.kernel.org/stable/c/ecf371f8b02d5e31b9aa1da7f159f1b2107bdb01
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2025/10/msg00008.html