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CVE-2026-74435 rxrpc: rxrpc_verify_data ensure rx_dec_buffer alloc

🗓️ 15 Aug 2026 05:59:34Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 5 Views

rxrpc_verify_data skips rx_dec_buffer allocation when len is zero, causing NULL pointer dereference via skb_copy_bits.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-74435
15 Aug 202605:59
attackerkb
cve
CVE
CVE-2026-74435
15 Aug 202600:00
cve
debiancve
Debian CVE
CVE-2026-74435
15 Aug 202600:00
debiancve
euvd
EUVD
EUVD-2026-59582
15 Aug 202605:59
euvd
nvd
NVD
CVE-2026-74435
15 Aug 202606:22
nvd
ptsecurity
Positive Technologies
PT-2026-72871
15 Aug 202600:00
ptsecurity
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/rxrpc/recvmsg.c"
    ],
    "versions": [
      {
        "version": "a05bf6d9e621fa71e89ccebe3047ba45218d7b38",
        "lessThan": "8bbede0afced346b24e4fbde0c68cf12980ba948",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b94a6ccbaf1104dd980150a65fdeb2f69d17d2f5",
        "lessThan": "6563b4eb38c35d75892445bcf8aacdc29914821c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "46cb765e2e5ad52303ea157e10d370bb6b7acbbf",
        "lessThan": "d3b642cf95d48234590cc91450d8705a9bf6b540",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d2bc90cf6c75cb96d2ce549be6c35efa3099d25b",
        "lessThan": "a962bc8508592c4d51092edac68579bd8b18fe44",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d2bc90cf6c75cb96d2ce549be6c35efa3099d25b",
        "lessThan": "16c8ae9735c5bd7e54dd7478d6348e0fc860842d",
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      },
      {
        "version": "c580087743712112778a06d65a4074053072d7bf",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6.6.143",
        "lessThan": "6.6.145",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.12.93",
        "lessThan": "6.12.97",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.18.35",
        "lessThan": "6.18.40",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "7.0.11",
        "lessThan": "7.1",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/rxrpc/recvmsg.c"
    ],
    "versions": [
      {
        "version": "7.1",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "7.1",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.145",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.97",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.40",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.5",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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