CVE-2023-39368

microcode_ctl: The microcode_ctl packages provide microcode updates for Intel and AMD processors. Security Fix(es): * kernel: loca...

CVE-2023-39368 is fixed in 2 products on 1 platform, first by ALAS2023-2024-559, released March 13, 2024. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
6.5
Moderate
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0076
55th percentile

The microcode_ctl packages provide microcode updates for Intel and AMD processors. Security Fix(es): * kernel: local privilege escalation on Intel microcode on Intel(R) Xeon(R) (CVE-2023-22655) * kernel: Local information disclosure on Intel(R) Atom(R) processors (CVE-2023-28746) * kernel: Local information disclosure in some Intel(R) processors (CVE-2023-38575) * kernel: Possible Denial of Service on Intel(R) Processors (CVE-2023-39368) * kernel: Local information disclosure on Intel(R) Xeon(R) D processors with Intel(R) SGX due to incorrect calculation in microcode (CVE-2023-43490) * intel-microcode: Race conditions in some Intel(R) Processors (CVE-2023-45733) * intel-microcode: Unexpected behavior in Intel(R) Core(TM) Ultra Processors (CVE-2023-46103) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 9.5 Release Notes linked from the References section.

Where it's fixed

ProductFixed inFixReleased
Linux
intel-microcode · Debian 12.15 (bookworm) 3.20240312.1~deb12u1 DEBIAN-CVE-2023-39368 Mar 14, 2024
intel-microcode · Debian 13.5 (trixie) 3.20240312.1 DEBIAN-CVE-2023-39368 Mar 14, 2024
intel-microcode · Debian 14 3.20240312.1 DEBIAN-CVE-2023-39368 Mar 14, 2024
intel-microcode · Ubuntu 18.04.6 LTS (bionic) 3.20240514.0ubuntu0.18.04.1+esm1 intel-microcode 3.20240514.0ubuntu0.18.04.1+esm1 May 16, 2024
intel-microcode · Ubuntu 20.04 LTS (focal) 3.20240514.0ubuntu0.20.04.1 intel-microcode 3.20240514.0ubuntu0.20.04.1 May 16, 2024
intel-microcode · Ubuntu 22.04.1 LTS (jammy) 3.20240514.0ubuntu0.22.04.1 intel-microcode 3.20240514.0ubuntu0.22.04.1 May 16, 2024
microcode_ctl · RHEL 9 4:20240910-1.el9_5 RHSA-2024:9401 Nov 12, 2024
microcode_ctl · almalinux 9 4:20240910-1.el9_5 ALSA-2024:9401 Nov 12, 2024
microcode_ctl · amzn 2023 2:2.1-53.amzn2023.0.5 ALAS2023-2024-559 Mar 13, 2024
microcode_ctl · ol 9 4:20240910-1.0.1.el9_5 ELSA-2024-9401 Nov 14, 2024
microcode_ctl · rocky 9 4:20240910-1.el9_5 RLSA-2024:9401 Mar 17, 2025

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