SUSE-SU-2026:0670-1

Vulnerability from csaf_suse - Published: 2026-02-26 15:21 - Updated: 2026-02-26 15:21
Summary
Security update for ucode-intel

Notes

Title of the patch
Security update for ucode-intel
Description of the patch
This update for ucode-intel fixes the following issues: - Intel CPU Microcode was updated to the 20260210 release (bsc#1258046) - CVE-2024-24853: Updated fix for incorrect behavior order in transition between executive monitor and SMI transfer monitor (STM) in some Intel(R) Processor may allow a privileged user to potentially enable escalation of privilege via local access. (bsc#1229129) - CVE-2025-31648: Improper handling of values in the microcode flow for some Intel Processor Family may allow an escalation of privilege. (bsc#1258046)
Patchnames
SUSE-2026-670,SUSE-SLE-SERVER-11-SP4-LTSS-EXTREME-CORE-2026-670
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
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{
  "document": {
    "aggregate_severity": {
      "namespace": "https://www.suse.com/support/security/rating/",
      "text": "important"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright 2024 SUSE LLC. All rights reserved.",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "Security update for ucode-intel",
        "title": "Title of the patch"
      },
      {
        "category": "description",
        "text": "This update for ucode-intel fixes the following issues:\n\n- Intel CPU Microcode was updated to the 20260210 release (bsc#1258046)\n- CVE-2024-24853: Updated fix for incorrect behavior order in transition\n  between executive monitor and SMI transfer monitor (STM) in some Intel(R)\n  Processor may allow a privileged user to potentially enable escalation\n  of privilege via local access. (bsc#1229129)\n- CVE-2025-31648: Improper handling of values in the microcode flow for\n  some Intel Processor Family may allow an escalation of privilege. (bsc#1258046)\n",
        "title": "Description of the patch"
      },
      {
        "category": "details",
        "text": "SUSE-2026-670,SUSE-SLE-SERVER-11-SP4-LTSS-EXTREME-CORE-2026-670",
        "title": "Patchnames"
      },
      {
        "category": "legal_disclaimer",
        "text": "CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).",
        "title": "Terms of use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://www.suse.com/support/security/contact/",
      "name": "SUSE Product Security Team",
      "namespace": "https://www.suse.com/"
    },
    "references": [
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        "category": "external",
        "summary": "SUSE ratings",
        "url": "https://www.suse.com/support/security/rating/"
      },
      {
        "category": "self",
        "summary": "URL of this CSAF notice",
        "url": "https://ftp.suse.com/pub/projects/security/csaf/suse-su-2026_0670-1.json"
      },
      {
        "category": "self",
        "summary": "URL for SUSE-SU-2026:0670-1",
        "url": "https://www.suse.com/support/update/announcement/2026/suse-su-20260670-1/"
      },
      {
        "category": "self",
        "summary": "E-Mail link for SUSE-SU-2026:0670-1",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2026-February/024440.html"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1229129",
        "url": "https://bugzilla.suse.com/1229129"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1258046",
        "url": "https://bugzilla.suse.com/1258046"
      },
      {
        "category": "self",
        "summary": "SUSE CVE CVE-2024-24853 page",
        "url": "https://www.suse.com/security/cve/CVE-2024-24853/"
      },
      {
        "category": "self",
        "summary": "SUSE CVE CVE-2025-31648 page",
        "url": "https://www.suse.com/security/cve/CVE-2025-31648/"
      }
    ],
    "title": "Security update for ucode-intel",
    "tracking": {
      "current_release_date": "2026-02-26T15:21:41Z",
      "generator": {
        "date": "2026-02-26T15:21:41Z",
        "engine": {
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          "version": "1"
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      },
      "id": "SUSE-SU-2026:0670-1",
      "initial_release_date": "2026-02-26T15:21:41Z",
      "revision_history": [
        {
          "date": "2026-02-26T15:21:41Z",
          "number": "1",
          "summary": "Current version"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "microcode_ctl-1.17-102.83.90.1.x86_64",
                "product": {
                  "name": "microcode_ctl-1.17-102.83.90.1.x86_64",
                  "product_id": "microcode_ctl-1.17-102.83.90.1.x86_64"
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              }
            ],
            "category": "architecture",
            "name": "x86_64"
          },
          {
            "branches": [
              {
                "category": "product_name",
                "name": "SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE",
                "product": {
                  "name": "SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE",
                  "product_id": "SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:suse:suse_sles_ltss-extreme-core:11:sp4"
                  }
                }
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            ],
            "category": "product_family",
            "name": "SUSE Linux Enterprise"
          }
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        "category": "vendor",
        "name": "SUSE"
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    "relationships": [
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        },
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        "relates_to_product_reference": "SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2024-24853",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2024-24853"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "Incorrect behavior order in transition between executive monitor and SMI transfer monitor (STM) in some Intel(R) Processor may allow a privileged user to potentially enable escalation of privilege via local access.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:microcode_ctl-1.17-102.83.90.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2024-24853",
          "url": "https://www.suse.com/security/cve/CVE-2024-24853"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1229129 for CVE-2024-24853",
          "url": "https://bugzilla.suse.com/1229129"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:microcode_ctl-1.17-102.83.90.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.2,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:microcode_ctl-1.17-102.83.90.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-02-26T15:21:41Z",
          "details": "important"
        }
      ],
      "title": "CVE-2024-24853"
    },
    {
      "cve": "CVE-2025-31648",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2025-31648"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "Improper handling of values in the microcode flow for some Intel(R) Processor Family may allow an escalation of privilege. Startup code and smm adversary with a privileged user combined with a high complexity attack may enable escalation of privilege. This result may potentially occur via local access when attack requirements are present with special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (low), integrity (low) and availability (none) of the vulnerable system, resulting in subsequent system confidentiality (low), integrity (low) and availability (none) impacts.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:microcode_ctl-1.17-102.83.90.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2025-31648",
          "url": "https://www.suse.com/security/cve/CVE-2025-31648"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1258046 for CVE-2025-31648",
          "url": "https://bugzilla.suse.com/1258046"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:microcode_ctl-1.17-102.83.90.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 3.9,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE:microcode_ctl-1.17-102.83.90.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-02-26T15:21:41Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2025-31648"
    }
  ]
}


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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.