CVE-2025-40096

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

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

EPSS percentile

Ranks above 4.2% 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

2025-10-30 09:48Z10 MO AGO

Last updated

2026-08-05 12:07Z1 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-415Double FreeVariant

Data version

5.2

Document digest

90ee4927ec2c5d8ccc391da70cd99b8155be43c7bc1364ea73428518f0fb29d3

• git.kernel.orghttps://git.kernel.org/stable/c/4c38a63ae12ecc9370a7678077bde2d61aa80e9c
• git.kernel.orghttps://git.kernel.org/stable/c/57239762aa90ad768dac055021f27705dae73344
• git.kernel.orghttps://git.kernel.org/stable/c/e5e3eb2aff92994ee81ce633f1c4e73bd4b87e11
• git.kernel.orghttps://git.kernel.org/stable/c/fdfb47e85af1e11ec822c82739dde2dd8dff5115
• git.kernel.orghttps://git.kernel.org/stable/c/5801e65206b065b0b2af032f7f1eef222aa2fd83