CVE-2024-56756

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

0.22% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 12.4% 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

Low. 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

2024-12-29 11:30Z1 YR AGO

Last updated

2026-05-11 20:58Z3 MO AGO

Reserved

2024-12-29

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Medium (CVSS 5.5)

CNA CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weaknesses

• CWE-131Incorrect Calculation of Buffer SizeBase

Data version

5.2

Document digest

181b2bef488128ed6b851d0f8bba6fdb13b9d3f745f894252680a82fd1b0af41

• git.kernel.orghttps://git.kernel.org/stable/c/ac22240540e0c5230d8c4138e3778420b712716a
• git.kernel.orghttps://git.kernel.org/stable/c/452f9ddd12bebc04cef741e8ba3806bf0e1fd015
• git.kernel.orghttps://git.kernel.org/stable/c/869cf50b9c9d1059f5223f79ef68fc0bc6210095
• git.kernel.orghttps://git.kernel.org/stable/c/fb96d5cfa97a7363245b3dd523f475b04296d87b
• git.kernel.orghttps://git.kernel.org/stable/c/cee3bff51a35cab1c5d842d409a7b11caefe2386
• git.kernel.orghttps://git.kernel.org/stable/c/6d0f599db73b099aa724a12736369c4d4d92849d
• git.kernel.orghttps://git.kernel.org/stable/c/582d9ed999b004fb1d415ecbfa86d4d8df455269
• git.kernel.orghttps://git.kernel.org/stable/c/3c2fb1ca8086eb139b2a551358137525ae8e0d7a
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2025/03/msg00001.html
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2025/03/msg00002.html