CVE-2025-40323

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

0.14% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 3.7% 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

Deferred. 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

2025-12-08 00:46Z9 MO AGO

Last updated

2026-08-05 12:09Z29 DAYS 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-416Use After FreeVariant

Data version

5.2

Document digest

159ff31191398e778b783f3b7ffb7879e29dbc5a69b459975d0ccd301ee0815e

• git.kernel.orghttps://git.kernel.org/stable/c/39c2c1a2773aaf73e56906e5ef670114eb2d354f
• git.kernel.orghttps://git.kernel.org/stable/c/4ac18f0e6a6d599ca751c4cd98e522afc8e3d4eb
• git.kernel.orghttps://git.kernel.org/stable/c/468f78276a37f4c6499385a4ce28f4f57be6655d
• git.kernel.orghttps://git.kernel.org/stable/c/c079d42f70109512eee49123a843be91d8fa133f
• git.kernel.orghttps://git.kernel.org/stable/c/de89d19f4f30d9a8de87b9d08c1bd35cb70576d8
• git.kernel.orghttps://git.kernel.org/stable/c/a1f3058930745d2b938b6b4f5bd9630dc74b26b7