CVE-2024-21853

Publication date 13 November 2024

Last updated 11 December 2024


Ubuntu 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 trusty doesn't support late loading of microcode

Get expanded security coverage with Ubuntu Pro

Reduce your average CVE exposure time from 98 days to 1 day with expanded CVE patching, ten-years security maintenance and optional support for the full stack of open-source applications. Free for personal use.

Get Ubuntu Pro