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CVE-2026-93174 bpf: Copy per-CPU map value padding in copy_map_value_long()

🗓️ 17 Sep 2026 16:12:03Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 39 Views

Local stale heap disclosure in Linux kernel BPF per-CPU map UAPI lookup via unzeroed padding.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "include/linux/bpf.h"
    ],
    "versions": [
      {
        "version": "448325199f574d33824dbf9121efb03558412966",
        "lessThan": "953e85da53541a8dc3e7ad4e8532f29a34a32eae",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "448325199f574d33824dbf9121efb03558412966",
        "lessThan": "003bf840ed3326bd01396ce7d5b431cef0d371e7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "448325199f574d33824dbf9121efb03558412966",
        "lessThan": "5e9f69829835521aa2942d1d14bd0990fbc6991e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "448325199f574d33824dbf9121efb03558412966",
        "lessThan": "ff3f22ed8d2f350b4c24ee26e33daea5f08d58ef",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "448325199f574d33824dbf9121efb03558412966",
        "lessThan": "7cf9cd98cf6f0df3befc167ca6b54c07014d71de",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "include/linux/bpf.h"
    ],
    "versions": [
      {
        "version": "6.1",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.1",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.157",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.110",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.52",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.6",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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