Vulnerability-Lookup

CVE-2026-0004 (GCVE-0-2026-0004)

Vulnerability from cvelistv5 – Published: 2026-11-12 19:09 – Updated: 2026-11-13 00:17

Summary

A transient execution vulnerability in some AMD processors may allow an attacker with the ability to execute code on the system to infer data in the L1D cache, potentially resulting in the leakage of sensitive information across privileged boundaries.

Severity

5.7 (Medium)


                        
                          CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-11-13 00:17 UTC

CWE

CWE-1421 - Exposure of Sensitive Information in Shared Microarchitectural Structures during Transient Execution

Assigner

AMD CNA under the mitre root

CNA scorecard C 63/100 over 68 records in the last 180 days details

References

2 references

URL	Tags
https://www.amd.com/en/resources/product-security…
https://www.amd.com/en/resources/product-security…

Impacted products

19 products

Vendor	Product	Version	CPE status
AMD	AMD EPYC™ 9005 Series Processors	Unaffected: TurinPI_1.0.0.B	guessed
AMD	AMD EPYC™ 8005 Series Processors	Unaffected: TurinPI_1.0.0.B	guessed
AMD	AMD Ryzen™ 9000HX Series Processors	Unaffected: FireRangeFL1 PI-1.0.0.0i	guessed
AMD	AMD Ryzen™ AI 300 Series Processors	Unaffected: StrixKrackanPI-FP8_1.1.0.0h Unaffected: StrixKrackanPI-FP8_1.1.0.2g	guessed
AMD	AMD Ryzen™ 9000 Series Desktop Processors	Unaffected: ComboAM5PI_1.2.0.3l Unaffected: ComboAM5PI_1.3.0.1d	guessed
AMD	AMD Ryzen™ AI Max 400 Series Processors	Unaffected: GorgonHalo PI FP11_1.0.0.0b	guessed
AMD	AMD Ryzen™ AI Max 300 Series Processors	Unaffected: StrixHalo PI-FP11_1.0.0.2d	guessed
AMD	AMD Ryzen™ AI 400 Series Desktop Processors	Unaffected: ComboAM5PI_1.3.0.1d	guessed
AMD	AMD Ryzen™ Z1 Series Processors	Unaffected: StrixKrackanPI-FP8_1.1.0.0h	guessed
AMD	AMD Ryzen™ Z2 Series Processors Extreme	Unaffected: StrixKrackanPI-FP8_1.1.0.0h	guessed
AMD	AMD Ryzen™ Threadripper™ PRO 7000 WX-Series Processors	Unaffected: ShimadaPeakPI-SP6-1.0.0.1h	guessed
AMD	AMD Ryzen™ Threadripper™ 7000 Processors	Unaffected: ShimadaPeakPI-SP6-1.0.0.1h	guessed
AMD	AMD Ryzen™ AI 400 Series Processors	Unaffected: GorgonPI-FP8_1.0.0.2e	guessed
AMD	AMD Ryzen™ Threadripper™ 9000 Processors	Unaffected: ShimadaPeakPI-SP6-1.0.0.1h	guessed
AMD	AMD Ryzen™ Threadripper™ PRO 9000 WX-Series Processors	Unaffected: ShimadaPeakPI-SP6-1.0.0.1h	guessed
AMD	AMD EPYC™ Embedded 9005 Series Processors	Unaffected: EmbeddedTurinPI_SP5_1005	guessed
AMD	AMD Ryzen™ Embedded 9000 Series Processors	Unaffected: EmbeddedAM5PI_1.0.0.9	guessed
AMD	AMD EPYC™ Embedded 2005 Series Processors	Unaffected: EmbeddedFireRangeFL1_1.0.0.5	guessed
AMD	AMD Ryzen™ Embedded P100 Series Processors	Unaffected: EmbeddedP100 PI 1000	guessed

Date Public

2026-11-12 19:09

Show details on NVD website

JSON

To clipboard

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}

CERTFR-2026-AVI-1508

Vulnerability from certfr_avis - Published: 2026-11-12 - Updated: 2026-11-12

De multiples vulnérabilités ont été découvertes dans Xen. Certaines d'entre elles permettent à un attaquant de provoquer une élévation de privilèges, une atteinte à la confidentialité des données et un contournement de la politique de sécurité.

Solutions

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

Impacted products

Vendor	Product	Description
XEN	Xen	Xen versions 4.21.x sans le dernier correctif de sécurité
XEN	Xen	Xen versions 4.17.x sans le dernier correctif de sécurité xsa524.patch
XEN	Xen	Xen pour Linux versions antérieures au correctif de sécurité xsa532-linux.patch
XEN	Xen	Xen versions 4.18.x sans le dernier correctif de sécurité
XEN	Xen	XAPI master toutes versions sans le dernier correctif de sécurité
XEN	Xen	Xen versions 4.20.x sans le dernier correctif de sécurité
XEN	Xen	Xen versions 4.19.x sans le dernier correctif de sécurité

References

Title

Publication Time

FKIE_CVE-2026-0004

Vulnerability from fkie_nvd - Published: 2026-11-12 19:16 - Updated: 2026-11-13 02:18

Severity

5.7 (Medium) - CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Summary

References

	URL	Tags
	psirt@amd.com	https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3055.html
	psirt@amd.com	https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4018.html

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "affected",
          "product": "AMD EPYC\u2122 9005 Series Processors",
          "vendor": "AMD",
          "versions": [
            {
              "status": "unaffected",
              "version": "TurinPI_1.0.0.B"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "AMD EPYC\u2122 8005 Series Processors",
          "vendor": "AMD",
          "versions": [
            {
              "status": "unaffected",
              "version": "TurinPI_1.0.0.B"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "AMD Ryzen\u2122 9000HX Series Processors",
          "vendor": "AMD",
          "versions": [
            {
              "status": "unaffected",
              "version": "FireRangeFL1 PI-1.0.0.0i"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "AMD Ryzen\u2122 AI 300 Series Processors",
          "vendor": "AMD",
          "versions": [
            {
              "status": "unaffected",
              "version": "StrixKrackanPI-FP8_1.1.0.0h"
            },
            {
              "status": "unaffected",
              "version": "StrixKrackanPI-FP8_1.1.0.2g"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "AMD Ryzen\u2122 9000 Series Desktop Processors",
          "vendor": "AMD",
          "versions": [
            {
              "status": "unaffected",
              "version": "ComboAM5PI_1.2.0.3l"
            },
            {
              "status": "unaffected",
              "version": "ComboAM5PI_1.3.0.1d"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "AMD Ryzen\u2122 AI Max 400 Series Processors",
          "vendor": "AMD",
          "versions": [
            {
              "status": "unaffected",
              "version": "GorgonHalo PI FP11_1.0.0.0b"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "AMD Ryzen\u2122 AI Max 300 Series Processors",
          "vendor": "AMD",
          "versions": [
            {
              "status": "unaffected",
              "version": "StrixHalo PI-FP11_1.0.0.2d"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "AMD Ryzen\u2122 AI 400 Series Desktop Processors",
          "vendor": "AMD",
          "versions": [
            {
              "status": "unaffected",
              "version": "ComboAM5PI_1.3.0.1d"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "AMD Ryzen\u2122 Z1 Series Processors",
          "vendor": "AMD",
          "versions": [
            {
              "status": "unaffected",
              "version": "StrixKrackanPI-FP8_1.1.0.0h"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "AMD Ryzen\u2122 Z2 Series Processors Extreme",
          "vendor": "AMD",
          "versions": [
            {
              "status": "unaffected",
              "version": "StrixKrackanPI-FP8_1.1.0.0h"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "AMD Ryzen\u2122 Threadripper\u2122 PRO 7000 WX-Series Processors",
          "vendor": "AMD",
          "versions": [
            {
              "status": "unaffected",
              "version": "ShimadaPeakPI-SP6-1.0.0.1h"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "AMD Ryzen\u2122 Threadripper\u2122 7000  Processors",
          "vendor": "AMD",
          "versions": [
            {
              "status": "unaffected",
              "version": "ShimadaPeakPI-SP6-1.0.0.1h"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "AMD Ryzen\u2122 AI 400 Series Processors",
          "vendor": "AMD",
          "versions": [
            {
              "status": "unaffected",
              "version": "GorgonPI-FP8_1.0.0.2e"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "AMD Ryzen\u2122 Threadripper\u2122 9000 Processors",
          "vendor": "AMD",
          "versions": [
            {
              "status": "unaffected",
              "version": "ShimadaPeakPI-SP6-1.0.0.1h"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "AMD Ryzen\u2122 Threadripper\u2122 PRO 9000 WX-Series Processors",
          "vendor": "AMD",
          "versions": [
            {
              "status": "unaffected",
              "version": "ShimadaPeakPI-SP6-1.0.0.1h"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "AMD EPYC\u2122 Embedded 9005 Series Processors",
          "vendor": "AMD",
          "versions": [
            {
              "status": "unaffected",
              "version": "EmbeddedTurinPI_SP5_1005"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "AMD Ryzen\u2122 Embedded 9000 Series Processors",
          "vendor": "AMD",
          "versions": [
            {
              "status": "unaffected",
              "version": "EmbeddedAM5PI_1.0.0.9"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "AMD EPYC\u2122 Embedded 2005 Series Processors",
          "vendor": "AMD",
          "versions": [
            {
              "status": "unaffected",
              "version": "EmbeddedFireRangeFL1_1.0.0.5"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "AMD Ryzen\u2122 Embedded P100 Series Processors",
          "vendor": "AMD",
          "versions": [
            {
              "status": "unaffected",
              "version": "EmbeddedP100 PI 1000"
            }
          ]
        }
      ],
      "source": "psirt@amd.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A transient execution vulnerability in some AMD processors may allow an attacker with the ability to execute code on the system to infer data in the L1D cache, potentially resulting in the leakage of sensitive information across privileged boundaries."
    }
  ],
  "id": "CVE-2026-0004",
  "lastModified": "2026-11-13T02:18:48.653",
  "metrics": {
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "HIGH",
          "attackRequirements": "NONE",
          "attackVector": "LOCAL",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 5.7,
          "baseSeverity": "MEDIUM",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "LOW",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "version": "4.0",
          "vulnAvailabilityImpact": "NONE",
          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "NONE",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "psirt@amd.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-0004",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-11-13T00:17:18.862645Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-11-12T19:16:45.160",
  "references": [
    {
      "source": "psirt@amd.com",
      "url": "https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3055.html"
    },
    {
      "source": "psirt@amd.com",
      "url": "https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4018.html"
    }
  ],
  "sourceIdentifier": "psirt@amd.com",
  "vulnStatus": "Awaiting Analysis"
}

GHSA-JJ4M-5WJW-PPCC

Vulnerability from github – Published: 2026-11-12 21:31 – Updated: 2026-11-12 21:31

Details

Severity

5.7 (Medium)


                  
                    CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-0004"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-11-12T19:16:45Z",
    "severity": "MODERATE"
  },
  "details": "A transient execution vulnerability in some AMD processors may allow an attacker with the ability to execute code on the system to infer data in the L1D cache, potentially resulting in the leakage of sensitive information across privileged boundaries.",
  "id": "GHSA-jj4m-5wjw-ppcc",
  "modified": "2026-11-12T21:31:26Z",
  "published": "2026-11-12T21:31:26Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-0004"
    },
    {
      "type": "WEB",
      "url": "https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3055.html"
    },
    {
      "type": "WEB",
      "url": "https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4018.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

UBUNTU-CVE-2026-0004 (CVE-2026-0004)

Vulnerability from osv_ubuntu – Published: 2026-11-10 00:00 – Updated: 2026-11-10 00:00 – Source website

Details

A transient execution vulnerability in some AMD processors may 5.7 allow an attacker to infer data i…

Severity

5.7 (Medium)


                    
                      CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2026-0004	REPORT
	https://www.cve.org/CVERecord?id=CVE-2026-0004	REPORT
	https://www.amd.com/en/resources/product-security…	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "amd64-microcode",
            "binary_version": "3.20180524.1~ubuntu0.14.04.2+really20130710.1ubuntu1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:14.04:LTS",
        "name": "amd64-microcode",
        "purl": "pkg:deb/ubuntu/amd64-microcode@3.20180524.1~ubuntu0.14.04.2+really20130710.1ubuntu1?arch=source\u0026distro=trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.20120910-3",
        "2.20131007.1+really20130710.1",
        "3.20180524.1~ubuntu0.14.04.1",
        "3.20180524.1~ubuntu0.14.04.2+really20130710.1",
        "3.20180524.1~ubuntu0.14.04.2+really20130710.1ubuntu1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "amd64-microcode",
            "binary_version": "3.20191021.1+really3.20180524.1~ubuntu0.16.04.2+esm3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "amd64-microcode",
        "purl": "pkg:deb/ubuntu/amd64-microcode@3.20191021.1+really3.20180524.1~ubuntu0.16.04.2+esm3?arch=source\u0026distro=esm-infra/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.20141028.1",
        "2.20160316.1",
        "3.20180524.1~ubuntu0.16.04.1",
        "3.20180524.1~ubuntu0.16.04.2",
        "3.20191021.1ubuntu0.16.04.1",
        "3.20191021.1+really3.20180524.1~ubuntu0.16.04.2",
        "3.20191021.1+really3.20180524.1~ubuntu0.16.04.2+esm1",
        "3.20191021.1+really3.20180524.1~ubuntu0.16.04.2+esm2",
        "3.20191021.1+really3.20180524.1~ubuntu0.16.04.2+esm3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "amd64-microcode",
            "binary_version": "3.20191021.1+really3.20181128.1~ubuntu0.18.04.1+esm3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "amd64-microcode",
        "purl": "pkg:deb/ubuntu/amd64-microcode@3.20191021.1+really3.20181128.1~ubuntu0.18.04.1+esm3?arch=source\u0026distro=esm-infra/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.20160316.3",
        "3.20171205.1",
        "3.20180524.1~ubuntu0.18.04.1",
        "3.20180524.1~ubuntu0.18.04.2",
        "3.20191021.1ubuntu0.18.04.2",
        "3.20191021.1+really3.20181128.1~ubuntu0.18.04.1",
        "3.20191021.1+really3.20181128.1~ubuntu0.18.04.1+esm1",
        "3.20191021.1+really3.20181128.1~ubuntu0.18.04.1+esm2",
        "3.20191021.1+really3.20181128.1~ubuntu0.18.04.1+esm3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "amd64-microcode",
            "binary_version": "3.20191218.1ubuntu1.3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "amd64-microcode",
        "purl": "pkg:deb/ubuntu/amd64-microcode@3.20191218.1ubuntu1.3?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.20181128.1ubuntu2",
        "3.20191021.1ubuntu1",
        "3.20191218.1ubuntu1",
        "3.20191218.1ubuntu1.1",
        "3.20191218.1ubuntu1.2",
        "3.20191218.1ubuntu1.3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "amd64-microcode",
            "binary_version": "3.20191218.1ubuntu2.3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "amd64-microcode",
        "purl": "pkg:deb/ubuntu/amd64-microcode@3.20191218.1ubuntu2.3?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.20191218.1ubuntu2",
        "3.20191218.1ubuntu2.1",
        "3.20191218.1ubuntu2.2",
        "3.20191218.1ubuntu2.3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "amd64-microcode",
            "binary_version": "3.20251202.1ubuntu0.24.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "amd64-microcode",
        "purl": "pkg:deb/ubuntu/amd64-microcode@3.20251202.1ubuntu0.24.04.1?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.20230808.1.1ubuntu1",
        "3.20231019.1ubuntu1",
        "3.20231019.1ubuntu2",
        "3.20231019.1ubuntu2.1",
        "3.20250311.1ubuntu0.24.04.1",
        "3.20251202.1ubuntu0.24.04.1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "amd64-microcode",
            "binary_version": "3.20251202.1ubuntu2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.10",
        "name": "amd64-microcode",
        "purl": "pkg:deb/ubuntu/amd64-microcode@3.20251202.1ubuntu2?arch=source\u0026distro=stonking"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.20251202.1ubuntu2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "amd64-microcode",
            "binary_version": "3.20251202.1ubuntu2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "amd64-microcode",
        "purl": "pkg:deb/ubuntu/amd64-microcode@3.20251202.1ubuntu2?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.20250708.1ubuntu1",
        "3.20250708.1ubuntu2",
        "3.20251202.1ubuntu1",
        "3.20251202.1ubuntu2"
      ]
    }
  ],
  "aliases": [],
  "details": "A transient execution vulnerability in some AMD processors may 5.7 allow an attacker to infer data i\u2026",
  "id": "UBUNTU-CVE-2026-0004",
  "modified": "2026-11-10T00:00:00Z",
  "published": "2026-11-10T00:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-0004"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-0004"
    },
    {
      "type": "REPORT",
      "url": "https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3055.html"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2026-0004"
  ]
}

WID-SEC-W-2026-4473

Vulnerability from csaf_certbund - Published: 2026-11-10 23:00 - Updated: 2026-11-12 23:00

Summary

AMD Prozessor und AMD Radeon: Mehrere Schwachstellen

Severity

Hoch

Scope

36 vulnerabilities in this advisory, including CVE-2026-0004.

CVE-2026-0004

Known affected: 16 products

Open the full advisory

Sightings

Author	Source	Type	Date	Other

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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

Order JSON

How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.

Publication & reservation Sightings KEV catalogs Other timestamps

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2026-0004 (GCVE-0-2026-0004)

CERTFR-2026-AVI-1508

Solutions

FKIE_CVE-2026-0004

GHSA-JJ4M-5WJW-PPCC

UBUNTU-CVE-2026-0004 (CVE-2026-0004)

WID-SEC-W-2026-4473

Tags

Sightings

Nomenclature

Vulnerability timeline

Related by attack behaviour