Improperly implemented security check for standard in the DDRIO configuration for some Intel(R) Xeon(R) 6 Processors when using Intel(R) SGX or Intel(R) TDX may allow a privileged user to potentially enable escalation of privilege via local access.

suse_linux SUSE-SU-2025:03052-1: SUSE SLES12 : Security update for ucode-intel (Important) (SUSE-SU-2025:03052-1)

suse_linux SUSE-SU-2025:03053-1: SUSE SLED15 / SLES15 / openSUSE 15 : Security update for ucode-intel (Important) (SUSE-SU-2025:03053-1)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2025-1209 advisory.

    Insufficient granularity of access control in the OOB-MSM for some Intel(R) Xeon(R) 6 Scalable processors     may allow a privileged user to potentially enable escalation of privilege via adjacent access.
    (CVE-2025-22839)

    Sequence of processor instructions leads to unexpected behavior for some Intel(R) Xeon(R) 6 Scalable     processors may allow an authenticated user to potentially enable escalation of privilege via local access     (CVE-2025-22840)

    Improper handling of overlap between protected memory ranges for some Intel(R) Xeon(R) 6 processor with     Intel(R) TDX may allow a privileged user to potentially enable escalation of privilege via local access.
    (CVE-2025-22889)

    Out-of-bounds write in the memory subsystem for some Intel(R) Xeon(R) 6 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-2025-26403)

    Improperly implemented security check for standard in the DDRIO configuration for some Intel(R) Xeon(R) 6     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-2025-32086)

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 ALAS2-2025-3014 advisory.

    Insufficient granularity of access control in the OOB-MSM for some Intel(R) Xeon(R) 6 Scalable processors     may allow a privileged user to potentially enable escalation of privilege via adjacent access.
    (CVE-2025-22839)

    Sequence of processor instructions leads to unexpected behavior for some Intel(R) Xeon(R) 6 Scalable     processors may allow an authenticated user to potentially enable escalation of privilege via local access     (CVE-2025-22840)

    Improper handling of overlap between protected memory ranges for some Intel(R) Xeon(R) 6 processor with     Intel(R) TDX may allow a privileged user to potentially enable escalation of privilege via local access.
    (CVE-2025-22889)

    Out-of-bounds write in the memory subsystem for some Intel(R) Xeon(R) 6 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-2025-26403)

    Improperly implemented security check for standard in the DDRIO configuration for some Intel(R) Xeon(R) 6     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-2025-32086)

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 remote SUSE Linux SLES11 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:03116-1 advisory.

    - Intel CPU Microcode was updated to the 20250812 release (bsc#1248438)
         - CVE-2025-20109: Improper Isolation or Compartmentalization in the stream cache mechanism for some     Intel Processors may allow an authenticated user to potentially enable escalation of privilege via local     access.
         - CVE-2025-22840: Sequence of processor instructions leads to unexpected behavior for some Intel Xeon     6 Scalable processors may allow an authenticated user to potentially enable escalation of privilege via     local access
         - CVE-2025-22839: Insufficient granularity of access control in the OOB-MSM for some Intel Xeon 6     Scalable processors may allow a privileged user to potentially enable escalation of privilege via adjacent     access.
         - CVE-2025-22889: Improper handling of overlap between protected memory ranges for some Intel Xeon 6     processor with Intel TDX may allow a privileged user to potentially enable escalation of privilege via     local access.
         - CVE-2025-20053: Improper buffer restrictions for some Intel Xeon Processor firmware with SGX     enabled may allow a privileged user to potentially enable escalation of privilege via local access.
         - CVE-2025-26403: Out-of-bounds write in the memory subsystem for some Intel Xeon 6 processors when     using Intel SGX or Intel TDX may allow a privileged user to potentially enable escalation of privilege via     local access.
         - CVE-2025-32086: Improperly implemented security check for standard in the DDRIO configuration for     some Intel Xeon 6 Processors when using Intel SGX or Intel TDX may allow a privileged user to potentially     enable escalation of privilege via local access.
         - Update for functional issues.
         - Updated Platforms:

           | Processor      | Stepping | F-M-S/PI    | Old Ver  | New Ver  | Products            |:---------------|:---------|:------------|:---------|:---------|:---------            | ARL-H          | A1       | 06-c5-02/82 | 00000118 | 00000119 | Core Ultra Processor (Series 2)            | ARL-S/HX (8P)  | B0       | 06-c6-02/82 | 00000118 | 00000119 | Core Ultra Processor (Series 2)            | EMR-SP         | A1       | 06-cf-02/87 | 210002a9 | 210002b3 | Xeon Scalable Gen5            | GNR-AP/SP      | B0       | 06-ad-01/95 | 010003a2 | 010003d0 | Xeon Scalable Gen6            | GNR-AP/SP      | H0       | 06-ad-01/20 | 0a0000d1 | 0a000100 | Xeon Scalable Gen6            | ICL-D          | B0       | 06-6c-01/10 | 010002d0 | 010002e0 | Xeon D-17xx, D-27xx            | ICX-SP         | Dx/M1    | 06-6a-06/87 | 0d000404 | 0d000410 | Xeon Scalable Gen3            | LNL            | B0       | 06-bd-01/80 | 0000011f | 00000123 | Core Ultra 200 V Series Processor            | MTL            | C0       | 06-aa-04/e6 | 00000024 | 00000025 | Core Ultra Processor            | RPL-H/P/PX 6+8 | J0       | 06-ba-02/e0 | 00004128 | 00004129 | Core Gen13            | RPL-U 2+8      | Q0       | 06-ba-03/e0 | 00004128 | 00004129 | Core Gen13            | SPR-HBM        | Bx       | 06-8f-08/10 | 2c0003f7 | 2c000401 | Xeon Max            | SPR-SP         | E4/S2    | 06-8f-07/87 | 2b000639 | 2b000643 | Xeon Scalable Gen4            | SPR-SP         | E5/S3    | 06-8f-08/87 | 2b000639 | 2b000643 | Xeon Scalable Gen4            | SRF-SP         | C0       | 06-af-03/01 | 03000341 | 03000362 | Xeon 6700-Series Processors with     E-Cores

      New Disclosures Updated in Prior Releases:
      All ADL, RPL, SPR, EMR, MTL, ARL Microcode patches previously released in May 2025.

Tenable has extracted the preceding description block directly from the SUSE 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.

  - Improperly implemented security check for standard in the DDRIO configuration for some Intel(R) Xeon(R) 6     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-2025-32086)

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

ID	Name	Product	Family	Severity
266158	Amazon Linux 2023 : microcode_ctl (ALAS2023-2025-1209)	Nessus	Amazon Linux Local Security Checks	high
266153	Amazon Linux 2 : microcode_ctl, --advisory ALAS2-2025-3014 (ALAS-2025-3014)	Nessus	Amazon Linux Local Security Checks	high
264435	SUSE SLES11 Security Update : microcode_ctl (SUSE-SU-2025:03116-1)	Nessus	SuSE Local Security Checks	high
260027	Linux Distros Unpatched Vulnerability : CVE-2025-32086	Nessus	Misc.	medium

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