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CVE-2026-43073 x86-64: rename misleadingly named '__copy_user_nocache()' function

🗓️ 05 May 2026 15:29:29Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 94 Views

CVE-2026-43073: x86-64 renames __copy_user_nocache() and updates the prototype for proper user-pointer handling.

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/include/asm/uaccess_64.h",
      "arch/x86/lib/copy_user_uncached_64.S",
      "arch/x86/lib/usercopy_64.c",
      "drivers/infiniband/sw/rdmavt/qp.c",
      "drivers/ntb/ntb_transport.c",
      "tools/objtool/check.c"
    ],
    "versions": [
      {
        "version": "06917f753547e6bba8a5d17f79971d1c071a70dd",
        "lessThan": "14b9194db4a28421a4dbe5d6e519efbaa7c5f3cd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "06917f753547e6bba8a5d17f79971d1c071a70dd",
        "lessThan": "c6d4e0599e7e73abc04e2488dfeb7940c4039660",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "06917f753547e6bba8a5d17f79971d1c071a70dd",
        "lessThan": "d993e1723aa2a085aa0d72e70ea889031fc225b4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "06917f753547e6bba8a5d17f79971d1c071a70dd",
        "lessThan": "efea91ad1729ff1853d7418e4d3bc27d085e72d0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "06917f753547e6bba8a5d17f79971d1c071a70dd",
        "lessThan": "d187a86de793f84766ea40b9ade7ac60aabbb4fe",
        "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/include/asm/uaccess_64.h",
      "arch/x86/lib/copy_user_uncached_64.S",
      "arch/x86/lib/usercopy_64.c",
      "drivers/infiniband/sw/rdmavt/qp.c",
      "drivers/ntb/ntb_transport.c",
      "tools/objtool/check.c"
    ],
    "versions": [
      {
        "version": "4.2",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.2",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.83",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.24",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.14",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.1",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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