CVE-2024-56721

x86/CPU/AMD: Terminate the erratum_1386_microcode array

State: Published
Severity: 7.1 High
Published: Dec 29, 2024
Updated: Aug 5, 2026
Reserved: Dec 27, 2024

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.

Scores

CVSS	Score	Vector	Source
3.1	7.1 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H	Linux
3.1	7.1 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H	CISA-ADP

Weaknesses

CWE-125 Out-of-bounds Read

Affected Products

Product	Versions
LinuxLinux	29ba89f1895285f06c333546882e0c5ae9a6df23 to before 82d6b82cf89d950982ac240ba068c3a7e1f23b0aAffected 29ba89f1895285f06c333546882e0c5ae9a6df23 to before ccfee14f08b8699132b87bc6d78e0fa75bf094ddAffected 29ba89f1895285f06c333546882e0c5ae9a6df23 to before ff6cdc407f4179748f4673c39b0921503199a0adAffected
LinuxLinux	6.10Affected before 6.10Not affected 6.11.11 through 6.11.Not affected 6.12.2 through 6.12.Not affected 6.13 and laterNot affected

References

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