An update for microcode_ctl is now available for openEuler-20.03-LTS-SP1,openEuler-20.03-LTS-SP4,openEuler-22.03-LTS,openEuler-22.03-LTS-SP1,openEuler-22.03-LTS-SP2 and openEuler-22.03-LTS-SP3 Security Advisory openeuler-security@openeuler.org openEuler security committee openEuler-SA-2024-1295 Final 1.0 1.0 2024-03-22 Initial 2024-03-22 2024-03-22 openEuler SA Tool V1.0 2024-03-22 microcode_ctl security update An update for microcode_ctl is now available for openEuler-20.03-LTS-SP1,openEuler-20.03-LTS-SP4,openEuler-22.03-LTS,openEuler-22.03-LTS-SP1,openEuler-22.03-LTS-SP2 and openEuler-22.03-LTS-SP3. This is a tool to transform and deploy microcode update for x86 CPUs. Security Fix(es): Non-transparent sharing of return predictor targets between contexts in some Intel(R) Processors may allow an authorized user to potentially enable information disclosure via local access.(CVE-2023-38575) Protection mechanism failure of bus lock regulator for some Intel(R) Processors may allow an unauthenticated user to potentially enable denial of service via network access.(CVE-2023-39368) An update for microcode_ctl is now available for openEuler-20.03-LTS-SP1,openEuler-20.03-LTS-SP4,openEuler-22.03-LTS,openEuler-22.03-LTS-SP1,openEuler-22.03-LTS-SP2 and openEuler-22.03-LTS-SP3. 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-2024-1295 https://www.openeuler.org/en/security/cve/detail.html?id=CVE-2023-38575 https://www.openeuler.org/en/security/cve/detail.html?id=CVE-2023-39368 https://nvd.nist.gov/vuln/detail/CVE-2023-38575 https://nvd.nist.gov/vuln/detail/CVE-2023-39368 openEuler-20.03-LTS-SP1 openEuler-20.03-LTS-SP4 openEuler-22.03-LTS openEuler-22.03-LTS-SP1 openEuler-22.03-LTS-SP2 openEuler-22.03-LTS-SP3 microcode_ctl-20240312-1.oe1.src.rpm microcode_ctl-20240312-1.oe2003sp4.src.rpm microcode_ctl-20240312-1.oe2203.src.rpm microcode_ctl-20240312-1.oe2203sp1.src.rpm microcode_ctl-20240312-1.oe2203sp2.src.rpm microcode_ctl-20240312-1.oe2203sp3.src.rpm microcode_ctl-20240312-1.oe1.x86_64.rpm microcode_ctl-20240312-1.oe2003sp4.x86_64.rpm microcode_ctl-20240312-1.oe2203.x86_64.rpm microcode_ctl-20240312-1.oe2203sp1.x86_64.rpm microcode_ctl-20240312-1.oe2203sp2.x86_64.rpm microcode_ctl-20240312-1.oe2203sp3.x86_64.rpm Non-transparent sharing of return predictor targets between contexts in some Intel(R) Processors may allow an authorized user to potentially enable information disclosure via local access. 2024-03-22 CVE-2023-38575 openEuler-20.03-LTS-SP1 openEuler-20.03-LTS-SP4 openEuler-22.03-LTS openEuler-22.03-LTS-SP1 openEuler-22.03-LTS-SP2 openEuler-22.03-LTS-SP3 Medium 5.5 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N microcode_ctl security update 2024-03-22 https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2024-1295 Protection mechanism failure of bus lock regulator for some Intel(R) Processors may allow an unauthenticated user to potentially enable denial of service via network access. 2024-03-22 CVE-2023-39368 openEuler-20.03-LTS-SP1 openEuler-20.03-LTS-SP4 openEuler-22.03-LTS openEuler-22.03-LTS-SP1 openEuler-22.03-LTS-SP2 openEuler-22.03-LTS-SP3 Medium 6.5 AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H microcode_ctl security update 2024-03-22 https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2024-1295