An update for microcode_ctl is now available for openEuler-20.03-LTS-SP1,openEuler-20.03-LTS-SP3,openEuler-22.03-LTS,openEuler-22.03-LTS-SP1 and openEuler-22.03-LTS-SP2 Security Advisory openeuler-security@openeuler.org openEuler security committee openEuler-SA-2023-1855 Final 1.0 1.0 2023-11-24 Initial 2023-11-24 2023-11-24 openEuler SA Tool V1.0 2023-11-24 microcode_ctl security update An update for microcode_ctl is now available for openEuler-20.03-LTS-SP1,openEuler-20.03-LTS-SP3,openEuler-22.03-LTS,openEuler-22.03-LTS-SP1 and openEuler-22.03-LTS-SP2. This is a tool to transform and deploy microcode update for x86 CPUs. Security Fix(es): Sequence of processor instructions leads to unexpected behavior for some Intel(R) Processors may allow an authenticated user to potentially enable escalation of privilege and/or information disclosure and/or denial of service via local access.(CVE-2023-23583) An update for microcode_ctl is now available for openEuler-20.03-LTS-SP1,openEuler-20.03-LTS-SP3,openEuler-22.03-LTS,openEuler-22.03-LTS-SP1 and openEuler-22.03-LTS-SP2. openEuler Security has rated this update as having a security impact of high. A Common Vunlnerability Scoring System(CVSS)base score,which gives a detailed severity rating, is available for each vulnerability from the CVElink(s) in the References section. High microcode_ctl https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2023-1855 https://www.openeuler.org/en/security/cve/detail.html?id=CVE-2023-23583 https://nvd.nist.gov/vuln/detail/CVE-2023-23583 openEuler-20.03-LTS-SP1 openEuler-20.03-LTS-SP3 openEuler-22.03-LTS openEuler-22.03-LTS-SP1 openEuler-22.03-LTS-SP2 microcode_ctl-2.1-42.oe1.src.rpm microcode_ctl-2.1-42.oe1.src.rpm microcode_ctl-2.1-42.oe2203.src.rpm microcode_ctl-2.1-42.oe2203sp1.src.rpm microcode_ctl-2.1-42.oe2203sp2.src.rpm microcode_ctl-2.1-42.oe1.x86_64.rpm microcode_ctl-2.1-42.oe1.x86_64.rpm microcode_ctl-2.1-42.oe2203.x86_64.rpm microcode_ctl-2.1-42.oe2203sp1.x86_64.rpm microcode_ctl-2.1-42.oe2203sp2.x86_64.rpm Sequence of processor instructions leads to unexpected behavior for some Intel(R) Processors may allow an authenticated user to potentially enable escalation of privilege and/or information disclosure and/or denial of service via local access. 2023-11-24 CVE-2023-23583 openEuler-20.03-LTS-SP1 openEuler-20.03-LTS-SP3 openEuler-22.03-LTS openEuler-22.03-LTS-SP1 openEuler-22.03-LTS-SP2 High 8.8 AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H microcode_ctl security update 2023-11-24 https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2023-1855