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.

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2022-2022-070 advisory.

    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)

    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)

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 version of microcode_ctl installed on the remote host is prior to 2.1-47. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2022-1842 advisory.

    2024-02-15: CVE-2022-0005 was added to this advisory.

    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)

    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 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.

ID	Name	Product	Family	Published	Updated	Severity
191417	CentOS 9 : microcode_ctl-20220809-1.el9	Nessus	CentOS Local Security Checks	2/29/2024	4/26/2024	medium
164731	Amazon Linux 2022 : microcode_ctl (ALAS2022-2022-070)	Nessus	Amazon Linux Local Security Checks	9/6/2022	12/11/2024	medium
165103	Amazon Linux 2 : microcode_ctl (ALAS-2022-1842)	Nessus	Amazon Linux Local Security Checks	9/15/2022	12/11/2024	medium
164708	Amazon Linux 2022 : microcode_ctl (ALAS2022-2022-129)	Nessus	Amazon Linux Local Security Checks	9/6/2022	12/11/2024	medium
173107	Amazon Linux 2023 : microcode_ctl (ALAS2023-2023-055)	Nessus	Amazon Linux Local Security Checks	3/21/2023	12/11/2024	medium

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