CVE-2024-56721

HIGH

Linux Kernel 6.10-6.11.11, 6.12.0-6.12.2 - Out-of-bounds Read in x86 CPU AMD Errata Microcode Array

Title source: llm

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.

References (3)

Core 3

Core References

Patch

https://git.kernel.org/stable/c/82d6b82cf89d950982ac240ba068c3a7e1f23b0a

Patch

https://git.kernel.org/stable/c/ccfee14f08b8699132b87bc6d78e0fa75bf094dd

Patch

https://git.kernel.org/stable/c/ff6cdc407f4179748f4673c39b0921503199a0ad

Scores

CVSS v3 7.1

EPSS 0.0022

EPSS Percentile 13.0%

Attack Vector LOCAL

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-125

Status published

Products (11)

linux/Kernel 6.10.0 - 6.11.11linux

linux/Kernel 6.12.0 - 6.12.2linux

Linux/Linux < 6.10

Linux/Linux 29ba89f1895285f06c333546882e0c5ae9a6df23 - 82d6b82cf89d950982ac240ba068c3a7e1f23b0a

Linux/Linux 29ba89f1895285f06c333546882e0c5ae9a6df23 - ccfee14f08b8699132b87bc6d78e0fa75bf094dd

Linux/Linux 29ba89f1895285f06c333546882e0c5ae9a6df23 - ff6cdc407f4179748f4673c39b0921503199a0ad

Linux/Linux 6.10

Linux/Linux 6.11.11 - 6.11.*

Linux/Linux 6.12.2 - 6.12.*

Linux/Linux 6.13

... and 1 more

Published Dec 29, 2024

Tracked Since Feb 18, 2026