{
  "document": {
    "aggregate_severity": {
      "namespace": "https://www.suse.com/support/security/rating/",
      "text": "moderate"
    },
    "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\nSecurity issue:\n\n- CVE-2025-35979: data leaks fixed in 20260512 release (bsc#1265189).\n\nNon security issues:\n\n- TW 20250826 Kernel 6.16.3 tainted with value of 4 after reboot. (bsc#1249138).\n- Intel CPU Microcode was updated to the 20260512 release (bsc#1265189)\n ### New Platforms\n | Processor | Stepping | F-M-S/PI | Old Ver | New Ver | Products\n |:---------------|:---------|:------------|:---------|:---------|:---------\n | PTL 404 | A1 | 06-cc-03/90 | | 0000011b | Intel Core Ultra Processor (Series 3)\n | PTL-H 484/12Xe | A0/B0 | 06-cc-02/90 | | 0000011b | Intel Core Ultra Processor (Series 3)\n ### Updated Platforms\n | ARL-H | A1 | 06-c5-02/82 | 0000011b | 00000121 | Core Ultra Processor (Series 2)\n | ARL-S/HX (8P) | B0 | 06-c6-02/82 | 0000011b | 00000121 | Core Ultra Processor (Series 2)\n | EMR-SP | A1 | 06-cf-02/87 | 210002d3 | 210002e0 | Xeon Scalable Gen5\n | GNR-AP/SP | Bx/Hx/Lx | 06-ad-01/95 | 01000405 | 01000423 | Xeon 6900/6700/6500 Series Processors with P-Cores\n | GNR-D | B0/B1 | 06-ae-01/97 | 01000303 | 01000307 | Xeon 6700P-B/6500P-B Series SoC with P-Cores\n | GNR-SP R1S | Bx/Hx/Lx | 06-ad-01/20 | 0a000133 | 0a000142 | Xeon 6700/6500-Series Processors with P-Cores\n | LNL | B0 | 06-bd-01/80 | 00000125 | 00000126 | Core Ultra 200 V Series Processor\n | SPR-SP | E4/S2 | 06-8f-07/87 | 2b000661 | 2b000670 | Xeon Scalable Gen4\n | SPR-SP | E5/S3 | 06-8f-08/87 | 2b000661 | 2b000670 | Xeon Scalable Gen4\n | SRF-AP/SP | C0 | 06-af-03/01 | 03000382 | 030003a3 | Xeon 6900/6700-Series Processors with E-Cores\n",
        "title": "Description of the patch"
      },
      {
        "category": "details",
        "text": "SUSE-SLE-Micro-6.0-719",
        "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": [
      {
        "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_21725-1.json"
      },
      {
        "category": "self",
        "summary": "URL for SUSE-SU-2026:21725-1",
        "url": "https://www.suse.com/support/update/announcement/2026/suse-su-202621725-1/"
      },
      {
        "category": "self",
        "summary": "E-Mail link for SUSE-SU-2026:21725-1",
        "url": "https://lists.suse.com/pipermail/sle-updates/2026-May/046692.html"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1230400",
        "url": "https://bugzilla.suse.com/1230400"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1249138",
        "url": "https://bugzilla.suse.com/1249138"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1253319",
        "url": "https://bugzilla.suse.com/1253319"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1265189",
        "url": "https://bugzilla.suse.com/1265189"
      },
      {
        "category": "self",
        "summary": "SUSE CVE CVE-2025-35979 page",
        "url": "https://www.suse.com/security/cve/CVE-2025-35979/"
      }
    ],
    "title": "Security update for ucode-intel",
    "tracking": {
      "current_release_date": "2026-05-21T09:27:26Z",
      "generator": {
        "date": "2026-05-21T09:27:26Z",
        "engine": {
          "name": "cve-database.git:bin/generate-csaf.pl",
          "version": "1"
        }
      },
      "id": "SUSE-SU-2026:21725-1",
      "initial_release_date": "2026-05-21T09:27:26Z",
      "revision_history": [
        {
          "date": "2026-05-21T09:27:26Z",
          "number": "1",
          "summary": "Current version"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "ucode-intel-20260512-1.1.x86_64",
                "product": {
                  "name": "ucode-intel-20260512-1.1.x86_64",
                  "product_id": "ucode-intel-20260512-1.1.x86_64"
                }
              }
            ],
            "category": "architecture",
            "name": "x86_64"
          },
          {
            "branches": [
              {
                "category": "product_name",
                "name": "SUSE Linux Micro 6.0",
                "product": {
                  "name": "SUSE Linux Micro 6.0",
                  "product_id": "SUSE Linux Micro 6.0",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:suse:sl-micro:6.0"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "SUSE Linux Enterprise"
          }
        ],
        "category": "vendor",
        "name": "SUSE"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "ucode-intel-20260512-1.1.x86_64 as component of SUSE Linux Micro 6.0",
          "product_id": "SUSE Linux Micro 6.0:ucode-intel-20260512-1.1.x86_64"
        },
        "product_reference": "ucode-intel-20260512-1.1.x86_64",
        "relates_to_product_reference": "SUSE Linux Micro 6.0"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2025-35979",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2025-35979"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "Exposure of sensitive information caused by shared microarchitectural predictor state that influences transient execution for some Intel(R) Processors within VMX non-root (guest) operation may allow an information disclosure. Unprivileged software adversary with an authenticated user combined with a high complexity attack may enable data exposure. This result may potentially occur via local access when attack requirements are present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (high), integrity (none) and availability (none) of the vulnerable system, resulting in subsequent system confidentiality (high), integrity (none) and availability (none) impacts.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Micro 6.0:ucode-intel-20260512-1.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2025-35979",
          "url": "https://www.suse.com/security/cve/CVE-2025-35979"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1265189 for CVE-2025-35979",
          "url": "https://bugzilla.suse.com/1265189"
        }
      ],
      "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 Micro 6.0:ucode-intel-20260512-1.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 4.7,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Micro 6.0:ucode-intel-20260512-1.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-05-21T09:27:26Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2025-35979"
    }
  ]
}