CVE-2024-21853

Publication date 13 November 2024

Last updated 11 December 2024

Ubuntu priority

Medium

Why this priority?

Improper finite state machines (FSMs) in the hardware logic in some 4th and 5th Generation Intel(R) Xeon(R) Processors may allow an authorized user to potentially enable denial of service via local access.

From the Ubuntu Security Team

It was discovered that some 4th and 5th Generation Intel(R) Xeon(R) Processors did not properly implement finite state machines (FSMs) in hardware logic. THis may allow a local privileged attacker to cause a denial of service (system crash).

Status

Package Ubuntu Release Status
intel-microcode 24.10 oracular
Fixed 3.20241112.0ubuntu0.24.10.1
24.04 LTS noble
Fixed 3.20241112.0ubuntu0.24.04.1
22.04 LTS jammy
Fixed 3.20241112.0ubuntu0.22.04.1
20.04 LTS focal
Fixed 3.20241112.0ubuntu0.20.04.1
18.04 LTS bionic
16.04 LTS xenial
14.04 LTS trusty Ignored end of ESM support, was ignored [trusty doesn't support late loading of microcode]

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