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Vulnerability · Published Nov 13, 2024 · Assigned by intel

CVE-2024-21853

Medium 4.7

In plain English

A medium-severity security flaw in 4th and 5th Generation Intel(R) Xeon(R) Processors. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 13% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)4.7Medium
Exploit odds (30 days)0.2%top 86.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20intel-ucode20241112-r0ALPINE-CVE-2024-21853
Alpine:v3.21intel-ucode20241112-r0ALPINE-CVE-2024-21853
Alpine:v3.22intel-ucode20241112-r0ALPINE-CVE-2024-21853
Alpine:v3.23intel-ucode20241112-r0ALPINE-CVE-2024-21853
Alpine:v3.24intel-ucode20241112-r0ALPINE-CVE-2024-21853
Debian:12intel-microcode3.20241112.1~deb12u1DEBIAN-CVE-2024-21853
Debian:13intel-microcode3.20241112.1DEBIAN-CVE-2024-21853
Debian:14intel-microcode3.20241112.1DEBIAN-CVE-2024-21853
Ubuntu:22.04:LTSintel-microcode3.20241112.0ubuntu0.22.04.1USN-7149-1
Ubuntu:22.04:LTSintel-microcode3.20241112.0ubuntu0.22.04.1UBUNTU-CVE-2024-21853
Ubuntu:24.04:LTSintel-microcode3.20241112.0ubuntu0.24.04.1UBUNTU-CVE-2024-21853
Ubuntu:24.04:LTSintel-microcode3.20241112.0ubuntu0.24.04.1USN-7149-1

Affected products (as reported)

VendorProductVersions
n/a 4th and 5th Generation Intel(R) Xeon(R) Processors See references

Weakness: CWE-1245 · Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

References