The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 / openSUSE 15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2024:1139-1 advisory.

  - Protection mechanism failure in some 3rd and 4th Generation Intel(R) Xeon(R) Processors when using     Intel(R) SGX or Intel(R) TDX may allow a privileged user to potentially enable escalation of privilege via     local access. (CVE-2023-22655)

  - Information exposure through microarchitectural state after transient execution from some register files     for some Intel(R) Atom(R) Processors may allow an authenticated user to potentially enable information     disclosure via local access. (CVE-2023-28746)

  - 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)

  - Incorrect calculation in microcode keying mechanism for some Intel(R) Xeon(R) D Processors with Intel(R)     SGX may allow a privileged user to potentially enable information disclosure via local access.
    (CVE-2023-43490)

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 ALAS2-2024-2491 advisory.

  - Non-transparent sharing of return predictor targets between contexts in some Intel Processors may     allow an authorized user to potentially enable information disclosure via local access. (CVE-2023-38575)     (CVE-2023-38575, CVE-2023-39368)

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 SLES12 / SLES_SAP12 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2024:0917-1 advisory.

  - Protection mechanism failure in some 3rd and 4th Generation Intel(R) Xeon(R) Processors when using     Intel(R) SGX or Intel(R) TDX may allow a privileged user to potentially enable escalation of privilege via     local access. (CVE-2023-22655)

  - Information exposure through microarchitectural state after transient execution from some register files     for some Intel(R) Atom(R) Processors may allow an authenticated user to potentially enable information     disclosure via local access. (CVE-2023-28746)

  - 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)

  - Incorrect calculation in microcode keying mechanism for some Intel(R) Xeon(R) D Processors with Intel(R)     SGX may allow a privileged user to potentially enable information disclosure via local access.
    (CVE-2023-43490)

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 ALAS2023-2024-559 advisory.

  - Non-transparent sharing of return predictor targets between contexts in some Intel Processors may allow     an authorized user to potentially enable information disclosure via local access. (CVE-2023-38575)     (CVE-2023-38575, CVE-2023-39368)

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 FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the b6dd9d93-e09b-11ee-92fc-1c697a616631 advisory.

  - Intel reports: 2024.1 IPU - Intel Processor Bus Lock Advisory A potential security vulnerability in the     bus lock regulator           mechanism for some Intel Processors may allow denial of service. Intel     is releasing firmware updates to mitigate this potential           vulnerability. 2024.1 IPU - Intel     Processor Return Predictions Advisory A potential security vulnerability in some Intel Processors may     allow information disclosure. 2024.1 IPU - Intel Atom Processor Advisory A potential security     vulnerability in some Intel Atom Processors           may allow information disclosure. 2024.1 IPU - Intel     Xeon Processor Advisory A potential security vulnerability in some 3rd and 4th Generation           Intel     Xeon Processors when using Intel Software Guard Extensions (SGX)           or Intel Trust Domain     Extensions (TDX) may allow escalation of           privilege. 2024.1 IPU OOB - Intel Xeon D Processor     Advisory A potential security vulnerability in some Intel Xeon D Processors           with Intel Software     Guard Extensions (SGX) may allow information           disclosure. (CVE-2023-22655, CVE-2023-43490)

  - This CVE was assigned by Intel. Please see CVE-2023-28746 on CVE.org for more information.
    (CVE-2023-28746)

  - Non-transparent sharing of return predictor targets between contexts in some Intel Processors may allow     an authorized user to potentially enable information disclosure via local access. (CVE-2023-38575)     (CVE-2023-38575, CVE-2023-39368)

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 host has a package installed that is affected by multiple vulnerabilities as referenced in the dla-3808 advisory.

  - Protection mechanism failure in some 3rd and 4th Generation Intel(R) Xeon(R) Processors when using     Intel(R) SGX or Intel(R) TDX may allow a privileged user to potentially enable escalation of privilege via     local access. (CVE-2023-22655)

  - Information exposure through microarchitectural state after transient execution from some register files     for some Intel(R) Atom(R) Processors may allow an authenticated user to potentially enable information     disclosure via local access. (CVE-2023-28746)

  - 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)

  - Incorrect calculation in microcode keying mechanism for some Intel(R) Xeon(R) D Processors with Intel(R)     SGX may allow a privileged user to potentially enable information disclosure via local access.
    (CVE-2023-43490)

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

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 23.10 / 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6797-1 advisory.

    It was discovered that some 3rd and 4th Generation Intel Xeon Processors did not properly restrict     access to certain hardware features when using Intel SGX or Intel TDX. This may allow a privileged     local user to potentially further escalate their privileges on the system. This issue only affected Ubuntu     23.10, Ubuntu 22.04 LTS, Ubuntu 20.04 LTS, Ubuntu 18.04 LTS and Ubuntu 16.04 LTS. (CVE-2023-22655)

    It was discovered that some Intel Atom Processors did not properly clear register state when     performing various operations. A local attacker could use this to obtain sensitive information via a     transient execution attack. This issue only affected Ubuntu 23.10, Ubuntu 22.04 LTS, Ubuntu 20.04 LTS,     Ubuntu 18.04 LTS and Ubuntu 16.04 LTS. (CVE-2023-28746)

    It was discovered that some Intel Processors did not properly clear the state of various hardware     structures when switching execution contexts. A local attacker could use this to access privileged     information. This issue only affected Ubuntu 23.10, Ubuntu 22.04 LTS, Ubuntu 20.04 LTS, Ubuntu 18.04 LTS     and Ubuntu 16.04 LTS. (CVE-2023-38575)

    It was discovered that some Intel Processors did not properly enforce bus lock regulator protections. A     remote attacker could use this to cause a denial of service. This issue only affected Ubuntu 23.10, Ubuntu     22.04 LTS, Ubuntu 20.04 LTS, Ubuntu 18.04 LTS and Ubuntu 16.04 LTS. (CVE-2023-39368)

    It was discovered that some Intel Xeon D Processors did not properly calculate the SGX base key when     using Intel SGX. A privileged local attacker could use this to obtain sensitive information. This issue     only affected Ubuntu 23.10, Ubuntu 22.04 LTS, Ubuntu 20.04 LTS, Ubuntu 18.04 LTS and Ubuntu 16.04 LTS.
    (CVE-2023-43490)

    It was discovered that some Intel Processors did not properly protect against concurrent accesses. A     local attacker could use this to obtain sensitive information. (CVE-2023-45733)

    It was discovered that some Intel Processors TDX module software did not properly validate input. A     privileged local attacker could use this information to potentially further escalate their privileges on     the system. (CVE-2023-45745, CVE-2023-47855)

    It was discovered that some Intel Core Ultra processors did not properly handle particular     instruction sequences. A local attacker could use this issue to cause a denial of service.
    (CVE-2023-46103)

Tenable has extracted the preceding description block directly from the Ubuntu 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
193040	SUSE SLED15 / SLES15 / openSUSE 15 Security Update : ucode-intel (SUSE-SU-2024:1139-1)	Nessus	SuSE Local Security Checks	4/9/2024	4/9/2024	medium
191959	Amazon Linux 2 : microcode_ctl (ALAS-2024-2491)	Nessus	Amazon Linux Local Security Checks	3/12/2024	3/15/2024	medium
192491	SUSE SLES12 Security Update : ucode-intel (SUSE-SU-2024:0917-1)	Nessus	SuSE Local Security Checks	3/23/2024	3/23/2024	medium
192032	Amazon Linux 2023 : microcode_ctl (ALAS2023-2024-559)	Nessus	Amazon Linux Local Security Checks	3/13/2024	3/15/2024	medium
192024	FreeBSD : Intel CPUs -- multiple vulnerabilities (b6dd9d93-e09b-11ee-92fc-1c697a616631)	Nessus	FreeBSD Local Security Checks	3/13/2024	3/13/2024	medium
194982	Debian dla-3808 : intel-microcode - security update	Nessus	Debian Local Security Checks	5/4/2024	5/4/2024	medium
198069	Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 23.10 / 24.04 LTS : Intel Microcode vulnerabilities (USN-6797-1)	Nessus	Ubuntu Local Security Checks	5/29/2024	5/29/2024	high

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