CVE-2025-38527

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

0.40% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 33.6% of scored records. A rank, not a probability.

NVD base score

7.8 (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:H/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

2025-08-16 11:12Z1 YR AGO

Last updated

2026-08-05 12:02Z1 MO AGO

Reserved

2025-04-16

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Critical (CVSS 9.8)

CNA CVSS vector

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

Weaknesses

• CWE-416Use After FreeVariant
• CWE-825Expired Pointer DereferenceBase

Data version

5.2

Document digest

adf1f01f3362b38e32e65b68c6aa4f958cd555287240c69d4b41e428b1679a28

• git.kernel.orghttps://git.kernel.org/stable/c/4256a483fe58af66a46cbf3dc48ff26e580d3308
• git.kernel.orghttps://git.kernel.org/stable/c/0a4eec84d4d2c4085d4ed8630fd74e4b39033c1b
• git.kernel.orghttps://git.kernel.org/stable/c/2baaf5bbab2ac474c4f92c10fcb3310f824db995
• git.kernel.orghttps://git.kernel.org/stable/c/09bce2138a30ef10d8821c8c3f73a4ab7a5726bc
• git.kernel.orghttps://git.kernel.org/stable/c/da11bd4b697b393a207f19a2ed7d382a811a3ddc
• git.kernel.orghttps://git.kernel.org/stable/c/705c79101ccf9edea5a00d761491a03ced314210
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2025/10/msg00008.html