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CVE-2026-74582

🗓️ 21 Aug 2026 16:31:55Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 7 Views

Linux kernel AF_PACKET out-of-bounds write from inconsistent hard_header_len reads in packet_snd().

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-74582
21 Aug 202623:02
circl
cvelist
Cvelist
CVE-2026-74582 packet: use consistent hard_header_len in non-ring send paths
21 Aug 202616:31
cvelist
debiancve
Debian CVE
CVE-2026-74582
21 Aug 202616:31
debiancve
euvd
EUVD
EUVD-2026-64004
21 Aug 202616:31
euvd
nvd
NVD
CVE-2026-74582
21 Aug 202617:16
nvd
ptsecurity
Positive Technologies
PT-2026-79403
21 Aug 202600:00
ptsecurity
redhatcve
RedhatCVE
CVE-2026-74582
21 Aug 202617:57
redhatcve
Vulners
CNA
Node
OR
OR
linuxlinux_kernelRange4.4.1334.5
linuxlinux_kernelRange4.9.1034.10
linuxlinux_kernelRange4.14.444.15
linuxlinux_kernelRange4.16.124.17
OR
linuxlinux_kernelRange4.176.6.152
linuxlinux_kernelRange6.7.06.12.104
linuxlinux_kernelRange6.13.06.18.45
linuxlinux_kernelRange6.19.07.1.9
linuxlinux_kernelRange7.2.0
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "include/linux/netdevice.h",
      "net/packet/af_packet.c"
    ],
    "versions": [
      {
        "version": "b84bbaf7a6c8cca24f8acf25a2c8e46913a947ba",
        "lessThan": "91f041451f967cd87ed722a8f43c0b767a64f1a0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b84bbaf7a6c8cca24f8acf25a2c8e46913a947ba",
        "lessThan": "9052756290962ffb9a661bcf319e92dedaaedfed",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b84bbaf7a6c8cca24f8acf25a2c8e46913a947ba",
        "lessThan": "5bb10753d428aadfc356a2bfe9acea09c82a62ec",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b84bbaf7a6c8cca24f8acf25a2c8e46913a947ba",
        "lessThan": "b06b6fce6d7deaf7238e09b48ce3b1125ff41acd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b84bbaf7a6c8cca24f8acf25a2c8e46913a947ba",
        "lessThan": "03390aa32e669cc4ecd7d34108e2e1afc13d689d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d9fb8cc230b2a4757e9fe4f81468f81212d4deaa",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6190cce26e40bf71c4d375b21eea74bb07b6a0f3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "01a658c1b9d4b5393c38d5a92d9112ab1425382a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8809ae6747e760e6f1d2453ceb08c9bcc4939766",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4.4.133",
        "lessThan": "4.5",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "4.9.103",
        "lessThan": "4.10",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "4.14.44",
        "lessThan": "4.15",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "4.16.12",
        "lessThan": "4.17",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "include/linux/netdevice.h",
      "net/packet/af_packet.c"
    ],
    "versions": [
      {
        "version": "4.17",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.17",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.152",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.104",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.45",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.9",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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21 Aug 2026 17:16Current
5.4Medium risk
Vulners AI Score5.4
7