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CVE-2023-53216 arm64: efi: Make efi_rt_lock a raw_spinlock

🗓️ 15 Sep 2025 14:21:43Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 4 Views

Arm64 EFI runtime fix: convert efi_rt_lock to raw_spinlock to avoid sleeping in preempted context.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/arm64/include/asm/efi.h",
      "arch/arm64/kernel/efi.c"
    ],
    "versions": [
      {
        "version": "4012603cbd469223f225637d265a233f034c567a",
        "lessThan": "030b1c4217a4f504c7d0795a2bd86b7181e56f11",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "de2af657cab92afc13a4ccd8780370481ed0eb61",
        "lessThan": "6a72729ed6accc86dad5522895e8fa2f96642a2c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f75a91c82dc805af8f718ff106ec9c090234b37b",
        "lessThan": "8b38969fa01662ec539a0d08a8ea5ec6f31fa4ed",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ff7a167961d1b97e0e205f245f806e564d3505e7",
        "lessThan": "4e8f7d998b582a99aadedd07ae6086e99b89c97a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ff7a167961d1b97e0e205f245f806e564d3505e7",
        "lessThan": "0e68b5517d3767562889f1d83fdb828c26adb24f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5.10.165",
        "lessThan": "5.10.175",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.15.90",
        "lessThan": "5.15.103",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.1.8",
        "lessThan": "6.1.18",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/arm64/include/asm/efi.h",
      "arch/arm64/kernel/efi.c"
    ],
    "versions": [
      {
        "version": "6.2",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.2",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.175",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.103",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.18",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.2.5",
        "lessThanOrEqual": "6.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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