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

🗓️ 21 Oct 2024 18:03:02Reported by LinuxType

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

Reporter	Title	Published	Views	Family All 66
NVD	CVE-2024-49946	21 Oct 202418:15	–	nvd
UbuntuCve	CVE-2024-49946	21 Oct 202400:00	–	ubuntucve
CVE	CVE-2024-49946	21 Oct 202418:15	–	cve
CBLMariner	CVE-2024-49946 affecting package kernel for versions less than 5.15.173.1-1	11 Dec 202407:24	–	cbl_mariner
Debian CVE	CVE-2024-49946	21 Oct 202418:15	–	debiancve
OSV	CVE-2024-49946	21 Oct 202418:15	–	osv
OSV	UBUNTU-CVE-2024-49946	21 Oct 202418:15	–	osv
OSV	linux, linux-gcp, linux-gcp-5.15, linux-gke, linux-gkeop, linux-ibm, linux-ibm-5.15, linux-kvm, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-nvidia, linux-oracle, linux-oracle-5.15, linux-raspi vulnerabilities	17 Dec 202413:14	–	osv
OSV	linux-xilinx-zynqmp vulnerabilities	20 Jan 202512:52	–	osv
OSV	linux-aws, linux-aws-5.15 vulnerabilities	17 Dec 202423:22	–	osv

[
  {
    "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"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/635deca1800a68624f185dc1e04a8495b48cf185
git	www.git.kernel.org/stable/c/f9620e2a665aa642625bd2501282bbddff556bd7
git	www.git.kernel.org/stable/c/efe9cc0f7c0279216a5522271ec675b8288602e4
git	www.git.kernel.org/stable/c/aec7291003df78cb71fd461d7b672912bde55807
git	www.git.kernel.org/stable/c/176dd41e8c2bd997ed3d66568a3362e69ecce99b
git	www.git.kernel.org/stable/c/c837f8583535f094a39386308c2ccfd92c8596cd

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21 Oct 2024 18:02Current

EPSS0.0004