{
  "threat_severity" : "Moderate",
  "public_date" : "2025-02-26T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: NFSv4: Fix free of uninitialized nfs4_label on referral lookup.",
    "id" : "2348347",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2348347"
  },
  "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-824",
  "details" : [ "In the Linux kernel, the following vulnerability has been resolved:\nNFSv4: Fix free of uninitialized nfs4_label on referral lookup.\nSend along the already-allocated fattr along with nfs4_fs_locations, and\ndrop the memcpy of fattr.  We end up growing two more allocations, but this\nfixes up a crash as:\nPID: 790    TASK: ffff88811b43c000  CPU: 0   COMMAND: \"ls\"\n#0 [ffffc90000857920] panic at ffffffff81b9bfde\n#1 [ffffc900008579c0] do_trap at ffffffff81023a9b\n#2 [ffffc90000857a10] do_error_trap at ffffffff81023b78\n#3 [ffffc90000857a58] exc_stack_segment at ffffffff81be1f45\n#4 [ffffc90000857a80] asm_exc_stack_segment at ffffffff81c009de\n#5 [ffffc90000857b08] nfs_lookup at ffffffffa0302322 [nfs]\n#6 [ffffc90000857b70] __lookup_slow at ffffffff813a4a5f\n#7 [ffffc90000857c60] walk_component at ffffffff813a86c4\n#8 [ffffc90000857cb8] path_lookupat at ffffffff813a9553\n#9 [ffffc90000857cf0] filename_lookup at ffffffff813ab86b" ],
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2022-11-08T00:00:00Z",
    "advisory" : "RHSA-2022:7683",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8",
    "package" : "kernel-0:4.18.0-425.3.1.el8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2022-08-09T00:00:00Z",
    "advisory" : "RHSA-2022:6003",
    "cpe" : "cpe:/a:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-70.22.1.el9_0"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2022-11-15T00:00:00Z",
    "advisory" : "RHSA-2022:8267",
    "cpe" : "cpe:/a:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-162.6.1.el9_1"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2022-08-09T00:00:00Z",
    "advisory" : "RHSA-2022:6003",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-70.22.1.el9_0"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2022-11-15T00:00:00Z",
    "advisory" : "RHSA-2022:8267",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-162.6.1.el9_1"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 10",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:10"
  }, {
    "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 8",
    "fix_state" : "Out of support scope",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Not affected",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2022-49418\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49418\nhttps://lore.kernel.org/linux-cve-announce/2025022653-CVE-2022-49418-ff01@gregkh/T" ],
  "name" : "CVE-2022-49418",
  "csaw" : false
}