An update for microcode_ctl is now available for openEuler-20.03-LTS-SP1 and openEuler-20.03-LTS-SP2 Security Advisory openeuler-security@openeuler.org openEuler security committee openEuler-SA-2021-1350 Final 1.0 1.0 2021-09-30 Initial 2021-09-30 2021-09-30 openEuler SA Tool V1.0 2021-09-30 microcode_ctl security update An update for microcode_ctl is now available for openEuler-20.03-LTS-SP1 and openEuler-20.03-LTS-SP2. This is a tool to transform and deploy microcode update for x86 CPUs. Security Fix(es): Improper isolation of shared resources in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.(CVE-2020-24511) Observable timing discrepancy in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.(CVE-2020-24512) An update for microcode_ctl is now available for openEuler-20.03-LTS-SP1 and openEuler-20.03-LTS-SP2. openEuler Security has rated this update as having a security impact of medium. 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. Medium microcode_ctl https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1350 https://www.openeuler.org/en/security/cve/detail.html?id=CVE-2020-24511 https://www.openeuler.org/en/security/cve/detail.html?id=CVE-2020-24512 https://nvd.nist.gov/vuln/detail/CVE-2020-24511 https://nvd.nist.gov/vuln/detail/CVE-2020-24512 openEuler-20.03-LTS-SP1 openEuler-20.03-LTS-SP2 microcode_ctl-2.1-33.oe1.src.rpm microcode_ctl-2.1-33.oe1.src.rpm microcode_ctl-2.1-33.oe1.x86_64.rpm microcode_ctl-2.1-33.oe1.x86_64.rpm Improper isolation of shared resources in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access. 2021-09-30 CVE-2020-24511 openEuler-20.03-LTS-SP1 openEuler-20.03-LTS-SP2 Medium 6.5 AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N microcode_ctl security update 2021-09-30 https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1350 Observable timing discrepancy in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access. 2021-09-30 CVE-2020-24512 openEuler-20.03-LTS-SP1 openEuler-20.03-LTS-SP2 Low 3.3 AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N microcode_ctl security update 2021-09-30 https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1350