{
  "threat_severity" : "Important",
  "public_date" : "2022-01-27T20:00:00Z",
  "bugzilla" : {
    "description" : "kernel: failing usercopy allows for use-after-free exploitation",
    "id" : "2044809",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2044809"
  },
  "cvss3" : {
    "cvss3_base_score" : "7.0",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
    "status" : "verified"
  },
  "cwe" : "CWE-416",
  "details" : [ "The vmwgfx driver contains a local privilege escalation vulnerability that allows unprivileged users to gain access to files opened by other processes on the system through a dangling 'file' pointer.", "A use-after-free flaw was found in the Linux kernel’s vmw_execbuf_copy_fence_user function in drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c in vmwgfx. This flaw allows a local attacker with user privileges to cause a privilege escalation problem." ],
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 7",
    "release_date" : "2022-02-22T00:00:00Z",
    "advisory" : "RHSA-2022:0622",
    "cpe" : "cpe:/a:redhat:rhel_extras_rt:7",
    "package" : "kernel-rt-0:3.10.0-1160.59.1.rt56.1200.el7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "release_date" : "2022-02-22T00:00:00Z",
    "advisory" : "RHSA-2022:0592",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7",
    "package" : "kpatch-patch"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "release_date" : "2022-02-22T00:00:00Z",
    "advisory" : "RHSA-2022:0620",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7",
    "package" : "kernel-0:3.10.0-1160.59.1.el7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7.6 Advanced Update Support(Disable again in 2026 - SPRHEL-7118)",
    "release_date" : "2022-03-29T00:00:00Z",
    "advisory" : "RHSA-2022:1107",
    "cpe" : "cpe:/o:redhat:rhel_aus:7.6",
    "package" : "kernel-0:3.10.0-957.92.1.el7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7.6 Telco Extended Update Support",
    "release_date" : "2022-03-29T00:00:00Z",
    "advisory" : "RHSA-2022:1107",
    "cpe" : "cpe:/o:redhat:rhel_tus:7.6",
    "package" : "kernel-0:3.10.0-957.92.1.el7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7.6 Update Services for SAP Solutions",
    "release_date" : "2022-03-29T00:00:00Z",
    "advisory" : "RHSA-2022:1103",
    "cpe" : "cpe:/o:redhat:rhel_e4s:7.6",
    "package" : "kpatch-patch"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7.6 Update Services for SAP Solutions",
    "release_date" : "2022-03-29T00:00:00Z",
    "advisory" : "RHSA-2022:1107",
    "cpe" : "cpe:/o:redhat:rhel_e4s:7.6",
    "package" : "kernel-0:3.10.0-957.92.1.el7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7.7 Advanced Update Support",
    "release_date" : "2022-04-12T00:00:00Z",
    "advisory" : "RHSA-2022:1324",
    "cpe" : "cpe:/o:redhat:rhel_aus:7.7",
    "package" : "kernel-0:3.10.0-1062.66.1.el7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7.7 Telco Extended Update Support",
    "release_date" : "2022-04-12T00:00:00Z",
    "advisory" : "RHSA-2022:1324",
    "cpe" : "cpe:/o:redhat:rhel_tus:7.7",
    "package" : "kernel-0:3.10.0-1062.66.1.el7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7.7 Update Services for SAP Solutions",
    "release_date" : "2022-04-12T00:00:00Z",
    "advisory" : "RHSA-2022:1324",
    "cpe" : "cpe:/o:redhat:rhel_e4s:7.7",
    "package" : "kernel-0:3.10.0-1062.66.1.el7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7.7 Update Services for SAP Solutions",
    "release_date" : "2022-04-13T00:00:00Z",
    "advisory" : "RHSA-2022:1373",
    "cpe" : "cpe:/o:redhat:rhel_e4s:7.7",
    "package" : "kpatch-patch"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2022-03-10T00:00:00Z",
    "advisory" : "RHSA-2022:0819",
    "cpe" : "cpe:/a:redhat:enterprise_linux:8::nfv",
    "package" : "kernel-rt-0:4.18.0-348.20.1.rt7.150.el8_5"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2022-03-10T00:00:00Z",
    "advisory" : "RHSA-2022:0825",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8",
    "package" : "kernel-0:4.18.0-348.20.1.el8_5"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2022-03-14T00:00:00Z",
    "advisory" : "RHSA-2022:0849",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8",
    "package" : "kpatch-patch"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions",
    "release_date" : "2022-03-10T00:00:00Z",
    "advisory" : "RHSA-2022:0823",
    "cpe" : "cpe:/o:redhat:rhel_e4s:8.1",
    "package" : "kernel-0:4.18.0-147.64.1.el8_1"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions",
    "release_date" : "2022-03-14T00:00:00Z",
    "advisory" : "RHSA-2022:0851",
    "cpe" : "cpe:/o:redhat:rhel_e4s:8.1",
    "package" : "kpatch-patch"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions",
    "release_date" : "2022-03-17T00:00:00Z",
    "advisory" : "RHSA-2022:0958",
    "cpe" : "cpe:/o:redhat:rhel_e4s:8.1",
    "package" : "kpatch-patch"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.2 Extended Update Support",
    "release_date" : "2022-03-10T00:00:00Z",
    "advisory" : "RHSA-2022:0821",
    "cpe" : "cpe:/a:redhat:rhel_eus:8.2::nfv",
    "package" : "kernel-rt-0:4.18.0-193.79.1.rt13.129.el8_2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.2 Extended Update Support",
    "release_date" : "2022-03-10T00:00:00Z",
    "advisory" : "RHSA-2022:0820",
    "cpe" : "cpe:/o:redhat:rhel_eus:8.2",
    "package" : "kernel-0:4.18.0-193.79.1.el8_2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.2 Extended Update Support",
    "release_date" : "2022-03-15T00:00:00Z",
    "advisory" : "RHSA-2022:0925",
    "cpe" : "cpe:/o:redhat:rhel_eus:8.2",
    "package" : "kpatch-patch"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.4 Extended Update Support",
    "release_date" : "2022-03-08T00:00:00Z",
    "advisory" : "RHSA-2022:0771",
    "cpe" : "cpe:/a:redhat:rhel_eus:8.4::nfv",
    "package" : "kernel-rt-0:4.18.0-305.40.1.rt7.112.el8_4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.4 Extended Update Support",
    "release_date" : "2022-03-08T00:00:00Z",
    "advisory" : "RHSA-2022:0772",
    "cpe" : "cpe:/o:redhat:rhel_eus:8.4",
    "package" : "kpatch-patch"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.4 Extended Update Support",
    "release_date" : "2022-03-08T00:00:00Z",
    "advisory" : "RHSA-2022:0777",
    "cpe" : "cpe:/o:redhat:rhel_eus:8.4",
    "package" : "kernel-0:4.18.0-305.40.1.el8_4"
  }, {
    "product_name" : "Red Hat Virtualization 4 for Red Hat Enterprise Linux 7",
    "release_date" : "2022-04-07T00:00:00Z",
    "advisory" : "RHSA-2022:1263",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7::hypervisor",
    "package" : "redhat-virtualization-host-0:4.3.22-20220330.1.el7_9"
  }, {
    "product_name" : "Red Hat Virtualization 4 for Red Hat Enterprise Linux 8",
    "release_date" : "2022-03-14T00:00:00Z",
    "advisory" : "RHSA-2022:0841",
    "cpe" : "cpe:/o:redhat:rhev_hypervisor:4.4::el8",
    "package" : "redhat-virtualization-host-0:4.4.10-202203101736_8.5"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  }, {
    "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-2022-22942\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-22942" ],
  "name" : "CVE-2022-22942",
  "mitigation" : {
    "value" : "Mitigation for this issue is to skip loading the affected module vmwgfx onto the system until we have a fix available. This can be done by a blacklist mechanism and ensures the driver is not loaded at the boot time.\n~~~\nHow do I blacklist a kernel module to prevent it from loading automatically?\nhttps://access.redhat.com/solutions/41278 \n~~~",
    "lang" : "en:us"
  },
  "csaw" : false
}