CVE-2022-21233

intel-microcode: Improper isolation of shared resources in some Intel(R) Processors mayallow a privileged user to potentially enable i...

CVE-2022-21233 is fixed in 2 products on 1 platform, first by intel-microcode 3.20220809.0ubuntu0.18.04.1, released August 9, 2022. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
5.5
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0033
25th percentile

Improper isolation of shared resources in some Intel(R) Processors mayallow a privileged user to potentially enable information disclosure vialocal access.

Where it's fixed

ProductFixed inFixReleased
Linux
intel-microcode · Debian 12.15 (bookworm) 3.20220809.1 DEBIAN-CVE-2022-21233 Aug 18, 2022
intel-microcode · Debian 13.5 (trixie) 3.20220809.1 DEBIAN-CVE-2022-21233 Aug 18, 2022
intel-microcode · Debian 14 3.20220809.1 DEBIAN-CVE-2022-21233 Aug 18, 2022
intel-microcode · Ubuntu 18.04.6 LTS (bionic) 3.20220809.0ubuntu0.18.04.1 intel-microcode 3.20220809.0ubuntu0.18.04.1 Aug 9, 2022
intel-microcode · Ubuntu 20.04 LTS (focal) 3.20220809.0ubuntu0.20.04.1 intel-microcode 3.20220809.0ubuntu0.20.04.1 Aug 9, 2022
intel-microcode · Ubuntu 22.04.1 LTS (jammy) 3.20220809.0ubuntu0.22.04.1 intel-microcode 3.20220809.0ubuntu0.22.04.1 Aug 9, 2022
intel-microcode · Ubuntu 24.10 (oracular) 3.20220809.0ubuntu1 intel-microcode 3.20220809.0ubuntu1 Jan 16, 2026
microcode_ctl · amzn 2023 2:2.1-53.amzn2023 ALAS2023-2023-055 Feb 17, 2023

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