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CVE-2024-49946 ppp: do not assume bh is held in ppp_channel_bridge_input()

🗓️ 21 Oct 2024 18:02:03Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 15 Views

Linux kernel ppp vulnerability CVE-2024-49946 resolved by fixing ppp_channel_bridge_input() inconsistent lock state issue

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/ppp/ppp_generic.c"
    ],
    "versions": [
      {
        "version": "4cf476ced45d7f12df30a68e833b263e7a2202d1",
        "lessThan": "176dd41e8c2bd997ed3d66568a3362e69ecce99b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4cf476ced45d7f12df30a68e833b263e7a2202d1",
        "lessThan": "635deca1800a68624f185dc1e04a8495b48cf185",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4cf476ced45d7f12df30a68e833b263e7a2202d1",
        "lessThan": "f9620e2a665aa642625bd2501282bbddff556bd7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4cf476ced45d7f12df30a68e833b263e7a2202d1",
        "lessThan": "efe9cc0f7c0279216a5522271ec675b8288602e4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4cf476ced45d7f12df30a68e833b263e7a2202d1",
        "lessThan": "c837f8583535f094a39386308c2ccfd92c8596cd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4cf476ced45d7f12df30a68e833b263e7a2202d1",
        "lessThan": "aec7291003df78cb71fd461d7b672912bde55807",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/ppp/ppp_generic.c"
    ],
    "versions": [
      {
        "version": "5.11",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.11",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.168",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.113",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.55",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.10.14",
        "lessThanOrEqual": "6.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.11.3",
        "lessThanOrEqual": "6.11.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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