CVE-2024-40954

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

0.26% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 17.5% 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 2026-08-04.

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

2024-07-12 12:31Z2 YR AGO

Last updated

2026-08-05 11:34Z1 MO AGO

Reserved

2024-07-12

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-125Out-of-bounds ReadBase

Data version

5.2

Document digest

f5e911c025f4faf8b715ed595e00895c846d3b8c9ec02b4db82d68b7845ca9c6

• git.kernel.orghttps://git.kernel.org/stable/c/78e4aa528a7b1204219d808310524344f627d069
• git.kernel.orghttps://git.kernel.org/stable/c/893eeba94c40d513cd0fe6539330ebdaea208c0e
• git.kernel.orghttps://git.kernel.org/stable/c/454c454ed645fed051216b79622f7cb69c1638f5
• git.kernel.orghttps://git.kernel.org/stable/c/5dfe2408fd7dc4d2e7ac38a116ff0a37b1cfd3b9
• git.kernel.orghttps://git.kernel.org/stable/c/6cd4a78d962bebbaf8beb7d2ead3f34120e3f7b2
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2025/01/msg00001.html