CVE-2024-56663

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

0.23% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 13.7% of scored records. A rank, not a probability.

NVD base score

7.1 (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:N/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 15:06Z1 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-193Off-by-one ErrorBase

Data version

5.2

Document digest

a3cf3a092fa5dc0515cae7e622d2539a7d0aab181107fa649f0cc2700526f608

• git.kernel.orghttps://git.kernel.org/stable/c/29e640ae641b9f5ffc666049426d2b16c98d9963
• git.kernel.orghttps://git.kernel.org/stable/c/f3412522f78826fef1dfae40ef378a863df2591c
• git.kernel.orghttps://git.kernel.org/stable/c/f850d1d9f1106f528dfc5807565f2d1fa9a397d3
• git.kernel.orghttps://git.kernel.org/stable/c/2e3dbf938656986cce73ac4083500d0bcfbffe24
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2025/03/msg00001.html