CVE-2025-39944

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

0.15% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 4.4% 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

2025-10-04 07:31Z11 MO AGO

Last updated

2026-08-05 12:06Z1 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-416Use After FreeVariant
• CWE-825Expired Pointer DereferenceBase

Data version

5.2

Document digest

2c9cdcf2608a8517d8f8f5a4d129dcb3972729d36e748a27dabdc92e6f27b1e1

• git.kernel.orghttps://git.kernel.org/stable/c/2786879aebf363806a13d41e8d5f99202ddd23d9
• git.kernel.orghttps://git.kernel.org/stable/c/d2cfefa14ce8137b17f99683f968bebf134b6a48
• git.kernel.orghttps://git.kernel.org/stable/c/ff27e23b311fed4d25e3852e27ba693416d4c7b3
• git.kernel.orghttps://git.kernel.org/stable/c/5ca20bb7b4bde72110c3ae78423cbfdd0157aa36
• git.kernel.orghttps://git.kernel.org/stable/c/f8b4687151021db61841af983f1cb7be6915d4ef