CVE-2024-40977

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

0.25% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 16.1% of scored records. A rank, not a probability.

NVD base score

5.5 (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:N/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

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 12:32Z2 YR AGO

Last updated

2026-05-11 20:23Z3 MO AGO

Reserved

2024-07-12

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-667Improper LockingClass
• CWE-833DeadlockBase

Data version

5.2

Document digest

ef2e091076a0a27afe0f30aead1ed63c5e9a2b0ae3f39124e3e761133ba7c48b

• git.kernel.orghttps://git.kernel.org/stable/c/0b81faa05b0b9feb3ae2d69be1d21f0d126ecb08
• git.kernel.orghttps://git.kernel.org/stable/c/85edd783f4539a994d66c4c014d5858f490b7a02
• git.kernel.orghttps://git.kernel.org/stable/c/e974dd4c22a23ec3ce579fb6d31a674ac0435da9
• git.kernel.orghttps://git.kernel.org/stable/c/ecf0b2b8a37c8464186620bef37812a117ff6366
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2025/01/msg00001.html