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CVE-2025-68313 x86/CPU/AMD: Add RDSEED fix for Zen5

🗓️ 16 Dec 2025 15:39:43Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 23 Views

The Linux kernel adds an RDSEED fix for Zen5 with microcode revision checks.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/x86/kernel/cpu/amd.c"
    ],
    "versions": [
      {
        "version": "3e4147f33f8b647775357bae0248b9a2aeebfcd2",
        "lessThan": "e980de2ff109dacb6d9d3a77f01b27c467115ecb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3e4147f33f8b647775357bae0248b9a2aeebfcd2",
        "lessThan": "36ff93e66d0efc46e39fab536a9feec968daa766",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3e4147f33f8b647775357bae0248b9a2aeebfcd2",
        "lessThan": "607b9fb2ce248cc5b633c5949e0153838992c152",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/x86/kernel/cpu/amd.c"
    ],
    "versions": [
      {
        "version": "6.8",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.8",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.58",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.17.8",
        "lessThanOrEqual": "6.17.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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11 May 2026 21:50Current
EPSS0.00018
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