The remote CentOS Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the microcode_ctl-20220809-1.el9 build changelog.

  - Insufficient control flow management in some Intel(R) Processors may allow an authenticated user to     potentially enable a denial of service via local access. (CVE-2021-0127)

  - Improper initialization of shared resources in some Intel(R) Processors may allow an authenticated user to     potentially enable information disclosure via local access. (CVE-2021-0145)

  - Out of bounds read under complex microarchitectural condition in memory subsystem for some Intel Atom(R)     Processors may allow authenticated user to potentially enable information disclosure or cause denial of     service via network access. (CVE-2021-33120)

  - Sensitive information accessible by physical probing of JTAG interface for some Intel(R) Processors with     SGX may allow an unprivileged user to potentially enable information disclosure via physical access.
    (CVE-2022-0005)

  - Improper access control for some Intel(R) Xeon(R) Processors may allow an authenticated user to     potentially enable information disclosure via local access. (CVE-2022-21131)

  - Improper input validation for some Intel(R) Xeon(R) Processors may allow a privileged user to potentially     enable denial of service via local access. (CVE-2022-21136)

  - Processor optimization removal or modification of security-critical code for some Intel(R) Processors may     allow an authenticated user to potentially enable information disclosure via local access.
    (CVE-2022-21151)

  - Improper isolation of shared resources in some Intel(R) Processors may allow a privileged user to     potentially enable information disclosure via local access. (CVE-2022-21233)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Debian 10 / 11 host has a package installed that is affected by multiple vulnerabilities as referenced in the dsa-5178 advisory.

    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 details please refer to     https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/technical-     documentation/processor-mmio-stale-data-vulnerabilities.html CVE-2022-21151 Alysa Milburn, Jason Brandt,     Avishai Redelman and Nir Lavi discovered that for some Intel processors optimization removal or     modification of security-critical code may result in information disclosure 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

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLES15 / SLES_SAP15 host has a package installed that is affected by a vulnerability as referenced in the SUSE-SU-2022:1728-1 advisory.

  - Processor optimization removal or modification of security-critical code for some Intel(R) Processors may     allow an authenticated user to potentially enable information disclosure via local access.
    (CVE-2022-21151)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2022-2022-129 advisory.

    A flaw was found in hw. The APIC can operate in xAPIC mode (also known as a legacy mode), in which APIC     configuration registers are exposed through a memory-mapped I/O (MMIO) page. This flaw allows an attacker     who can execute code on a target CPU to query the APIC configuration page. When reading the APIC     configuration page with an unaligned read from the MMIO page, the registers may return stale data from     previous requests made by the same processor core to the same configuration page, leading to unauthorized     access. (CVE-2022-21233)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2023-055 advisory.

    2024-06-06: CVE-2021-33117 was added to this advisory.

    Improper access control for some 3rd Generation Intel(R) Xeon(R) Scalable Processors before BIOS version     MR7, may allow a local attacker to potentially enable information disclosure via local access.
    (CVE-2021-33117)

    add (CVE-2022-0005)

    A flaw was found in hw. Improper access control for some Intel(R) Xeon(R) processors may potentially allow     an authenticated user to enable information disclosure via local access. (CVE-2022-21131)

    A flaw was found in hw. Improper input validation for some Intel(R) Xeon(R) processors may allow a     privileged user to enable a denial of service via local access. (CVE-2022-21136)

    A flaw was found in hw. Processor optimization removal or modification of security-critical code for some     Intel(R) processors may potentially allow an authenticated user to enable information disclosure via local     access. (CVE-2022-21151)

    A flaw was found in hw. The APIC can operate in xAPIC mode (also known as a legacy mode), in which APIC     configuration registers are exposed through a memory-mapped I/O (MMIO) page. This flaw allows an attacker     who can execute code on a target CPU to query the APIC configuration page. When reading the APIC     configuration page with an unaligned read from the MMIO page, the registers may return stale data from     previous requests made by the same processor core to the same configuration page, leading to unauthorized     access. (CVE-2022-21233)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - Processor optimization removal or modification of security-critical code for some Intel(R) Processors may     allow an authenticated user to potentially enable information disclosure via local access.
    (CVE-2022-21151)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	名前	製品	ファミリー	公開日	更新日	深刻度
191417	CentOS 9 : microcode_ctl-20220809-1.el9	Nessus	CentOS Local Security Checks	2024/2/29	2024/4/26	medium
162820	Debian DSA-5178-1 : intel-microcode - security update	Nessus	Debian Local Security Checks	2022/7/7	2025/1/24	medium
161365	SUSE SLES15 Security Update : ucode-intel (SUSE-SU-2022:1728-1)	Nessus	SuSE Local Security Checks	2022/5/19	2023/7/13	medium
164708	Amazon Linux 2022 : microcode_ctl (ALAS2022-2022-129)	Nessus	Amazon Linux Local Security Checks	2022/9/6	2024/12/11	medium
173107	Amazon Linux 2023 : microcode_ctl (ALAS2023-2023-055)	Nessus	Amazon Linux Local Security Checks	2023/3/21	2024/12/11	medium
229658	Linux Distros Unpatched Vulnerability : CVE-2022-21151	Nessus	Misc.	2025/3/5	2025/12/9	medium

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