CVE-2024-56557

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 16.4% 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 2026-08-04.

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

2024-12-27 14:23Z1 YR AGO

Last updated

2026-08-05 11:45Z1 MO AGO

Reserved

2024-12-27

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-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base

Data version

5.2

Document digest

6e67c237eb1ee0837c670f679eba109e85cf5074f8653554a3d62518d84972e3

• git.kernel.orghttps://git.kernel.org/stable/c/6e4d236d9c4b38571c394d3ab6e85dfb71c33ed3
• git.kernel.orghttps://git.kernel.org/stable/c/00663d3e000c31d0d49ef86a809f5c107c2d09cd
• git.kernel.orghttps://git.kernel.org/stable/c/e5cac32721997cb8bcb208a29f4598b3faf46338
• git.kernel.orghttps://git.kernel.org/stable/c/218ecc35949129171ca39bcc0d407c8dc4cd0bbc
• git.kernel.orghttps://git.kernel.org/stable/c/3a4187ec454e19903fd15f6e1825a4b84e59a4cd
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2025/03/msg00001.html