var-202206-1079
Vulnerability from variot

Incomplete cleanup in specific special register read operations for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access. Microsoft Windows是美国微软（Microsoft）公司的一套个人设备使用的操作系统. Microsoft Windows 存在安全漏洞，该漏洞源于 Intel 部分处理器存在安全问题。以下产品和版本受到影响：Windows 10 Version 1809 for 32-bit Systems,Windows 10 Version 1809 for x64-based Systems,Windows 10 Version 1809 for ARM64-based Systems,Windows Server 2019,Windows Server 2019 (Server Core installation),Windows 10 Version 21H1 for x64-based Systems,Windows 10 Version 21H1 for ARM64-based Systems,Windows 10 Version 21H1 for 32-bit Systems,Windows Server 2022,Windows Server 2022 (Server Core installation),Windows 10 Version 20H2 for x64-based Systems,Windows 10 Version 20H2 for 32-bit Systems,Windows 10 Version 20H2 for ARM64-based Systems,Windows Server, version 20H2 (Server Core Installation),Windows 11 for x64-based Systems,Windows 11 for ARM64-based Systems,Windows 10 Version 21H2 for 32-bit Systems,Windows 10 Version 21H2 for ARM64-based Systems,Windows 10 Version 21H2 for x64-based Systems,Windows 10 for 32-bit Systems,Windows 10 for x64-based Systems,Windows 10 Version 1607 for 32-bit Systems,Windows 10 Version 1607 for x64-based Systems,Windows Server 2016,Windows Server 2016 (Server Core installation),Windows 7 for 32-bit Systems Service Pack 1,Windows 7 for x64-based Systems Service Pack 1,Windows 8.1 for 32-bit systems,Windows 8.1 for x64-based systems,Windows RT 8.1,Windows Server 2008 for 32-bit Systems Service Pack 2,Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation),Windows Server 2008 for x64-based Systems Service Pack 2,Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation),Windows Server 2008 R2 for x64-based Systems Service Pack 1,Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation),Windows Server 2012,Windows Server 2012 (Server Core installation),Windows Server 2012 R2,Windows Server 2012 R2 (Server Core installation). (CVE-2021-0127). -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512

Debian Security Advisory DSA-5178-1 security@debian.org https://www.debian.org/security/ Salvatore Bonaccorso July 06, 2022 https://www.debian.org/security/faq

Package : intel-microcode CVE ID : CVE-2022-21123 CVE-2022-21125 CVE-2022-21127 CVE-2022-21151 CVE-2022-21166 Debian Bug : 1010947

This update ships updated CPU microcode for some types of Intel CPUs and provides mitigations for security vulnerabilities.

CVE-2022-21123, CVE-2022-21125, CVE-2022-21127, CVE-2022-21166

Various researchers discovered flaws in Intel processors,
collectively referred to as MMIO Stale Data vulnerabilities, which
may result in information leak to local users.

For the oldstable distribution (buster), these problems have been fixed in version 3.20220510.1~deb10u1.

For the stable distribution (bullseye), these problems have been fixed in version 3.20220510.1~deb11u1.

We recommend that you upgrade your intel-microcode packages.

For the detailed security status of intel-microcode please refer to its security tracker page at: https://security-tracker.debian.org/tracker/intel-microcode

Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org -----BEGIN PGP SIGNATURE-----

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Intel Microcode vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 16.04 ESM

Summary:

Several security issues were fixed in Intel Microcode.

Software Description: - intel-microcode: Processor microcode for Intel CPUs

Details:

Joseph Nuzman discovered that some Intel processors did not properly initialise shared resources. A local attacker could use this to obtain sensitive information. (CVE-2021-0145)

Mark Ermolov, Dmitry Sklyarov and Maxim Goryachy discovered that some Intel processors did not prevent test and debug logic from being activated at runtime. A local attacker could use this to escalate privileges. (CVE-2021-0146)

It was discovered that some Intel processors did not implement sufficient control flow management. A local attacker could use this to cause a denial of service (system crash). (CVE-2021-0127)

It was discovered that some Intel processors did not completely perform cleanup actions on multi-core shared buffers. A local attacker could possibly use this to expose sensitive information. (CVE-2022-21123, CVE-2022-21127)

It was discovered that some Intel processors did not completely perform cleanup actions on microarchitectural fill buffers. A local attacker could possibly use this to expose sensitive information. (CVE-2022-21125)

Alysa Milburn, Jason Brandt, Avishai Redelman and Nir Lavi discovered that some Intel processors improperly optimised security-critical code. A local attacker could possibly use this to expose sensitive information. A local attacker could possibly use this to expose sensitive information. (CVE-2022-21166)

It was discovered that some Intel processors did not properly restrict access in some situations. A local attacker could use this to obtain sensitive information. (CVE-2021-33117)

Brandon Miller discovered that some Intel processors did not properly restrict access in some situations. A local attacker could use this to obtain sensitive information or a remote attacker could use this to cause a denial of service (system crash). (CVE-2021-33120)

Update instructions:

The problem can be corrected by updating your system to the following package versions:

Ubuntu 16.04 ESM: intel-microcode 3.20220510.0ubuntu0.16.04.1+esm1

In general, a standard system update will make all the necessary changes.

References: https://ubuntu.com/security/notices/USN-5535-1 CVE-2021-0127, CVE-2021-0145, CVE-2021-0146, CVE-2021-33117, CVE-2021-33120, CVE-2022-21123, CVE-2022-21125, CVE-2022-21127, CVE-2022-21151, CVE-2022-21166

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(CVE-2021-0127). -----BEGIN PGP SIGNED MESSAGE-----\nHash: SHA512\n\n- -------------------------------------------------------------------------\nDebian Security Advisory DSA-5178-1                   security@debian.org\nhttps://www.debian.org/security/                     Salvatore Bonaccorso\nJuly 06, 2022                         https://www.debian.org/security/faq\n- -------------------------------------------------------------------------\n\nPackage        : intel-microcode\nCVE ID         : CVE-2022-21123 CVE-2022-21125 CVE-2022-21127 CVE-2022-21151\n                 CVE-2022-21166\nDebian Bug     : 1010947\n\nThis update ships updated CPU microcode for some types of Intel CPUs and\nprovides mitigations for security vulnerabilities. \n\nCVE-2022-21123, CVE-2022-21125, CVE-2022-21127, CVE-2022-21166\n\n    Various researchers discovered flaws in Intel processors,\n    collectively referred to as MMIO Stale Data vulnerabilities, which\n    may result in information leak to local users. \n\nFor the oldstable distribution (buster), these problems have been fixed\nin version 3.20220510.1~deb10u1. \n\nFor the stable distribution (bullseye), these problems have been fixed in\nversion 3.20220510.1~deb11u1. \n\nWe recommend that you upgrade your intel-microcode packages. \n\nFor the detailed security status of intel-microcode please refer to its\nsecurity tracker page at:\nhttps://security-tracker.debian.org/tracker/intel-microcode\n\nFurther information about Debian Security Advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: https://www.debian.org/security/\n\nMailing list: debian-security-announce@lists.debian.org\n-----BEGIN PGP SIGNATURE-----\n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\n4IUiKp8LINReMEEfV8My7PB2fX8dvti2lEQ/pJfAC/XKNoassd0=\n=8N2y\n-----END PGP SIGNATURE-----\n. ==========================================================================\nUbuntu Security Notice USN-5535-1\nJuly 28, 2022\n\nIntel Microcode vulnerabilities\n==========================================================================\n\nA security issue affects these releases of Ubuntu and its derivatives:\n\n- Ubuntu 16.04 ESM\n\nSummary:\n\nSeveral security issues were fixed in Intel Microcode. \n\nSoftware Description:\n- intel-microcode: Processor microcode for Intel CPUs\n\nDetails:\n\nJoseph Nuzman discovered that some Intel processors did not properly\ninitialise shared resources. A local attacker could use this to obtain\nsensitive information. (CVE-2021-0145)\n\nMark Ermolov, Dmitry Sklyarov and Maxim Goryachy discovered that some Intel\nprocessors did not prevent test and debug logic from being activated at\nruntime. A local attacker could use this to escalate\nprivileges. (CVE-2021-0146)\n\nIt was discovered that some Intel processors did not implement sufficient\ncontrol flow management. A local attacker could use this to cause a denial\nof service (system crash). (CVE-2021-0127)\n\nIt was discovered that some Intel processors did not completely perform\ncleanup actions on multi-core shared buffers. A local attacker could\npossibly use this to expose sensitive information. (CVE-2022-21123,\nCVE-2022-21127)\n\nIt was discovered that some Intel processors did not completely perform\ncleanup actions on microarchitectural fill buffers. A local attacker could\npossibly use this to expose sensitive information. (CVE-2022-21125)\n\nAlysa Milburn, Jason Brandt, Avishai Redelman and Nir Lavi discovered that\nsome Intel processors improperly optimised security-critical code. A local\nattacker could possibly use this to expose sensitive\ninformation. A local attacker\ncould possibly use this to expose sensitive information. (CVE-2022-21166)\n\nIt was discovered that some Intel processors did not properly restrict\naccess in some situations. A local attacker could use this to obtain\nsensitive information. (CVE-2021-33117)\n\nBrandon Miller discovered that some Intel processors did not properly\nrestrict access in some situations. A local attacker could use this to\nobtain sensitive information or a remote attacker could use this to\ncause a denial of service (system crash). 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