CVE-2024-56721

x86/CPU/AMD: Terminate the erratum_1386_microcode array

Description

In the Linux kernel, the following vulnerability has been resolved: x86/CPU/AMD: Terminate the erratum_1386_microcode array The erratum_1386_microcode array requires an empty entry at the end. Otherwise x86_match_cpu_with_stepping() will continue iterate the array after it ended. Add an empty entry to erratum_1386_microcode to its end.

Category

7.1
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.03%
Affected: Linux Linux
Affected: Linux Linux
Published at:
Updated at:

References

Link Tags
https://git.kernel.org/stable/c/82d6b82cf89d950982ac240ba068c3a7e1f23b0a patch
https://git.kernel.org/stable/c/ccfee14f08b8699132b87bc6d78e0fa75bf094dd patch
https://git.kernel.org/stable/c/ff6cdc407f4179748f4673c39b0921503199a0ad patch

Frequently Asked Questions

What is the severity of CVE-2024-56721?
CVE-2024-56721 has been scored as a high severity vulnerability.
How to fix CVE-2024-56721?
To fix CVE-2024-56721, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-56721 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-56721 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-56721?
CVE-2024-56721 affects Linux Linux, Linux Linux.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.