CVE-2024-21853

ucode-intel: Faulty finite state machines (FSMs) in the hardware logic in some 4th and 5th Generation Intel Xeon Processors may al...

CVE-2024-21853 is fixed in 3 products on 1 platform, first by ALAS2023-2024-748, released October 24, 2024. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
n/a
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0023
13th percentile

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

Where it's fixed

ProductFixed inFixReleased
Linux
intel-microcode · Debian 12.15 (bookworm) 3.20241112.1~deb12u1 DEBIAN-CVE-2024-21853 Nov 13, 2024
intel-microcode · Debian 13.5 (trixie) 3.20241112.1 DEBIAN-CVE-2024-21853 Nov 13, 2024
intel-microcode · Debian 14 3.20241112.1 DEBIAN-CVE-2024-21853 Nov 13, 2024
intel-microcode · Ubuntu 18.04.6 LTS (bionic) 3.20241112.0ubuntu0.18.04.1+esm1 intel-microcode 3.20241112.0ubuntu0.18.04.1+esm1 Nov 13, 2024
intel-microcode · Ubuntu 20.04 LTS (focal) 3.20241112.0ubuntu0.20.04.1 intel-microcode 3.20241112.0ubuntu0.20.04.1 Nov 13, 2024
intel-microcode · Ubuntu 22.04.1 LTS (jammy) 3.20241112.0ubuntu0.22.04.1 intel-microcode 3.20241112.0ubuntu0.22.04.1 Nov 13, 2024
intel-microcode · Ubuntu 24.04.5 LTS (noble) 3.20241112.0ubuntu0.24.04.1 intel-microcode 3.20241112.0ubuntu0.24.04.1 Nov 13, 2024
intel-microcode · Ubuntu 24.10 (oracular) 3.20241112.0ubuntu0.24.10.1 intel-microcode 3.20241112.0ubuntu0.24.10.1 Jan 16, 2026
microcode_ctl · amzn 2023 2:2.1-53.amzn2023.0.9 ALAS2023-2024-748 Oct 24, 2024
ucode-intel · opensuse-leap 15.6 20241112-150200.50.1 SUSE-SU-2024:4053-1 Nov 26, 2024
ucode-intel · sles 15.6 20241112-150200.50.1 SUSE-SU-2024:4053-1 Nov 26, 2024

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