{
  "threat_severity" : "Moderate",
  "public_date" : "2024-11-07T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: xfrm: validate new SA's prefixlen using SA family when sel.family is unset",
    "id" : "2324315",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2324315"
  },
  "cvss3" : {
    "cvss3_base_score" : "5.5",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
    "status" : "verified"
  },
  "cwe" : "CWE-20",
  "details" : [ "In the Linux kernel, the following vulnerability has been resolved:\nxfrm: validate new SA's prefixlen using SA family when sel.family is unset\nThis expands the validation introduced in commit 07bf7908950a (\"xfrm:\nValidate address prefix lengths in the xfrm selector.\")\nsyzbot created an SA with\nusersa.sel.family = AF_UNSPEC\nusersa.sel.prefixlen_s = 128\nusersa.family = AF_INET\nBecause of the AF_UNSPEC selector, verify_newsa_info doesn't put\nlimits on prefixlen_{s,d}. But then copy_from_user_state sets\nx->sel.family to usersa.family (AF_INET). Do the same conversion in\nverify_newsa_info before validating prefixlen_{s,d}, since that's how\nprefixlen is going to be used later on." ],
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2024-12-11T00:00:00Z",
    "advisory" : "RHSA-2024:10944",
    "cpe" : "cpe:/a:redhat:enterprise_linux:8::nfv",
    "package" : "kernel-rt-0:4.18.0-553.32.1.rt7.373.el8_10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2024-12-11T00:00:00Z",
    "advisory" : "RHSA-2024:10943",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8",
    "package" : "kernel-0:4.18.0-553.32.1.el8_10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2024-12-19T00:00:00Z",
    "advisory" : "RHSA-2024:11486",
    "cpe" : "cpe:/a:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-503.19.1.el9_5"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2024-12-19T00:00:00Z",
    "advisory" : "RHSA-2024:11486",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-503.19.1.el9_5"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.4 Extended Update Support",
    "release_date" : "2025-02-19T00:00:00Z",
    "advisory" : "RHSA-2025:1658",
    "cpe" : "cpe:/a:redhat:rhel_eus:9.4",
    "package" : "kernel-0:5.14.0-427.55.1.el9_4"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Out of support scope",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Out of support scope",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Out of support scope",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Affected",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2024-50142\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-50142\nhttps://lore.kernel.org/linux-cve-announce/2024110743-CVE-2024-50142-e0dc@gregkh/T" ],
  "name" : "CVE-2024-50142",
  "csaw" : false
}