{
  "threat_severity" : "Moderate",
  "public_date" : "2022-09-23T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: net: CPU soft lockup in TC mirred egress-to-ingress action",
    "id" : "2150272",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2150272"
  },
  "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-833",
  "details" : [ "A flaw was found in the Linux kernel Traffic Control (TC) subsystem. Using a specific networking configuration (redirecting egress packets to ingress using TC action \"mirred\") a local unprivileged user could trigger a CPU soft lockup (ABBA deadlock) when the transport protocol in use (TCP or SCTP) does a retransmission, resulting in a denial of service condition.", "A flaw was found in the Linux kernel Traffic Control (TC) subsystem. Using a specific networking configuration (redirecting egress packets to ingress using TC action \"mirred\") a local unprivileged user could trigger a CPU soft lockup (ABBA deadlock) when the transport protocol in use (TCP or SCTP) does a retransmission, resulting in a denial of service condition." ],
  "statement" : "Red Hat Enterprise Linux 6 is not affected by this flaw as it did not include upstream commit 53592b3 (\"net/sched: act_mirred: Implement ingress actions\").",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2023-04-04T00:00:00Z",
    "advisory" : "RHSA-2023:1584",
    "cpe" : "cpe:/a:redhat:enterprise_linux:8::nfv",
    "package" : "kernel-rt-0:4.18.0-425.19.2.rt7.230.el8_7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2023-04-04T00:00:00Z",
    "advisory" : "RHSA-2023:1566",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8",
    "package" : "kernel-0:4.18.0-425.19.2.el8_7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.4 Extended Update Support",
    "release_date" : "2023-03-14T00:00:00Z",
    "advisory" : "RHSA-2023:1220",
    "cpe" : "cpe:/a:redhat:rhel_eus:8.4::nfv",
    "package" : "kernel-rt-0:4.18.0-305.82.1.rt7.154.el8_4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.4 Extended Update Support",
    "release_date" : "2023-03-14T00:00:00Z",
    "advisory" : "RHSA-2023:1221",
    "cpe" : "cpe:/o:redhat:rhel_eus:8.4",
    "package" : "kernel-0:4.18.0-305.82.1.el8_4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.6 Extended Update Support",
    "release_date" : "2023-03-07T00:00:00Z",
    "advisory" : "RHSA-2023:1130",
    "cpe" : "cpe:/o:redhat:rhel_eus:8.6",
    "package" : "kernel-0:4.18.0-372.46.1.el8_6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2023-03-27T00:00:00Z",
    "advisory" : "RHSA-2023:1470",
    "cpe" : "cpe:/a:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-162.22.2.el9_1"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2023-03-27T00:00:00Z",
    "advisory" : "RHSA-2023:1469",
    "cpe" : "cpe:/a:redhat:enterprise_linux:9::nfv",
    "package" : "kernel-rt-0:5.14.0-162.22.2.rt21.186.el9_1"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2023-03-27T00:00:00Z",
    "advisory" : "RHSA-2023:1470",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-162.22.2.el9_1"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.0 Extended Update Support",
    "release_date" : "2023-03-14T00:00:00Z",
    "advisory" : "RHSA-2023:1202",
    "cpe" : "cpe:/a:redhat:rhel_eus:9.0",
    "package" : "kernel-0:5.14.0-70.49.1.el9_0"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.0 Extended Update Support",
    "release_date" : "2023-03-14T00:00:00Z",
    "advisory" : "RHSA-2023:1203",
    "cpe" : "cpe:/a:redhat:rhel_eus:9.0::nfv",
    "package" : "kernel-rt-0:5.14.0-70.49.1.rt21.120.el9_0"
  }, {
    "product_name" : "Red Hat Virtualization 4 for Red Hat Enterprise Linux 8",
    "release_date" : "2023-03-07T00:00:00Z",
    "advisory" : "RHSA-2023:1130",
    "cpe" : "cpe:/o:redhat:rhev_hypervisor:4.4::el8",
    "package" : "kernel-0:4.18.0-372.46.1.el8_6"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Not affected",
    "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"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2022-4269\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-4269" ],
  "name" : "CVE-2022-4269",
  "csaw" : false
}