{
  "threat_severity" : "Important",
  "public_date" : "2023-12-07T06:30:00Z",
  "bugzilla" : {
    "description" : "kernel: ktls overwrites readonly memory pages when using function splice with a ktls socket as destination",
    "id" : "2253908",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2253908"
  },
  "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-787",
  "details" : [ "An out-of-bounds memory write flaw was found in the Linux kernel’s Transport Layer Security functionality in how a user calls a function splice with a ktls socket as the destination. This flaw allows a local user to crash or potentially escalate their privileges on the system.", "An out-of-bounds memory write flaw was found in the Linux kernel’s Transport Layer Security functionality in how a user calls a function splice with a ktls socket as the destination. This flaw allows a local user to crash or potentially escalate their privileges on the system." ],
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2024-02-20T00:00:00Z",
    "advisory" : "RHSA-2024:0881",
    "cpe" : "cpe:/a:redhat:enterprise_linux:8::nfv",
    "package" : "kernel-rt-0:4.18.0-513.18.1.rt7.320.el8_9"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2024-02-20T00:00:00Z",
    "advisory" : "RHSA-2024:0876",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8",
    "package" : "kpatch-patch"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2024-02-20T00:00:00Z",
    "advisory" : "RHSA-2024:0897",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8",
    "package" : "kernel-0:4.18.0-513.18.1.el8_9"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.2 Advanced Update Support",
    "release_date" : "2024-03-12T00:00:00Z",
    "advisory" : "RHSA-2024:1268",
    "cpe" : "cpe:/o:redhat:rhel_aus:8.2",
    "package" : "kernel-0:4.18.0-193.128.1.el8_2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.2 Telecommunications Update Service",
    "release_date" : "2024-03-12T00:00:00Z",
    "advisory" : "RHSA-2024:1269",
    "cpe" : "cpe:/a:redhat:rhel_tus:8.2::nfv",
    "package" : "kernel-rt-0:4.18.0-193.128.1.rt13.179.el8_2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.2 Telecommunications Update Service",
    "release_date" : "2024-03-12T00:00:00Z",
    "advisory" : "RHSA-2024:1268",
    "cpe" : "cpe:/o:redhat:rhel_tus:8.2",
    "package" : "kernel-0:4.18.0-193.128.1.el8_2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions",
    "release_date" : "2024-03-12T00:00:00Z",
    "advisory" : "RHSA-2024:1268",
    "cpe" : "cpe:/o:redhat:rhel_e4s:8.2",
    "package" : "kernel-0:4.18.0-193.128.1.el8_2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions",
    "release_date" : "2024-03-12T00:00:00Z",
    "advisory" : "RHSA-2024:1278",
    "cpe" : "cpe:/o:redhat:rhel_e4s:8.2",
    "package" : "kpatch-patch"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support",
    "release_date" : "2024-03-19T00:00:00Z",
    "advisory" : "RHSA-2024:1367",
    "cpe" : "cpe:/o:redhat:rhel_aus:8.4",
    "package" : "kernel-0:4.18.0-305.125.1.el8_4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.4 Telecommunications Update Service",
    "release_date" : "2024-03-19T00:00:00Z",
    "advisory" : "RHSA-2024:1382",
    "cpe" : "cpe:/a:redhat:rhel_tus:8.4::nfv",
    "package" : "kernel-rt-0:4.18.0-305.125.1.rt7.201.el8_4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.4 Telecommunications Update Service",
    "release_date" : "2024-03-19T00:00:00Z",
    "advisory" : "RHSA-2024:1367",
    "cpe" : "cpe:/o:redhat:rhel_tus:8.4",
    "package" : "kernel-0:4.18.0-305.125.1.el8_4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions",
    "release_date" : "2024-03-19T00:00:00Z",
    "advisory" : "RHSA-2024:1367",
    "cpe" : "cpe:/o:redhat:rhel_e4s:8.4",
    "package" : "kernel-0:4.18.0-305.125.1.el8_4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions",
    "release_date" : "2024-03-19T00:00:00Z",
    "advisory" : "RHSA-2024:1377",
    "cpe" : "cpe:/o:redhat:rhel_e4s:8.4",
    "package" : "kpatch-patch"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.6 Extended Update Support",
    "release_date" : "2024-02-07T00:00:00Z",
    "advisory" : "RHSA-2024:0724",
    "cpe" : "cpe:/o:redhat:rhel_eus:8.6",
    "package" : "kernel-0:4.18.0-372.91.1.el8_6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.6 Extended Update Support",
    "release_date" : "2024-02-15T00:00:00Z",
    "advisory" : "RHSA-2024:0851",
    "cpe" : "cpe:/o:redhat:rhel_eus:8.6",
    "package" : "kpatch-patch"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.8 Extended Update Support",
    "release_date" : "2024-03-19T00:00:00Z",
    "advisory" : "RHSA-2024:1368",
    "cpe" : "cpe:/o:redhat:rhel_eus:8.8",
    "package" : "kpatch-patch"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.8 Extended Update Support",
    "release_date" : "2024-03-19T00:00:00Z",
    "advisory" : "RHSA-2024:1404",
    "cpe" : "cpe:/o:redhat:rhel_eus:8.8",
    "package" : "kernel-0:4.18.0-477.51.1.el8_8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2024-03-12T00:00:00Z",
    "advisory" : "RHSA-2024:1248",
    "cpe" : "cpe:/a:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-362.24.1.el9_3"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2024-03-12T00:00:00Z",
    "advisory" : "RHSA-2024:1248",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-362.24.1.el9_3"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2024-03-12T00:00:00Z",
    "advisory" : "RHSA-2024:1251",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9",
    "package" : "kpatch-patch"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.0 Extended Update Support",
    "release_date" : "2024-03-12T00:00:00Z",
    "advisory" : "RHSA-2024:1250",
    "cpe" : "cpe:/a:redhat:rhel_eus:9.0",
    "package" : "kernel-0:5.14.0-70.93.2.el9_0"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.0 Extended Update Support",
    "release_date" : "2024-03-13T00:00:00Z",
    "advisory" : "RHSA-2024:1306",
    "cpe" : "cpe:/a:redhat:rhel_eus:9.0::nfv",
    "package" : "kernel-rt-0:5.14.0-70.93.1.rt21.165.el9_0"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.0 Extended Update Support",
    "release_date" : "2024-03-12T00:00:00Z",
    "advisory" : "RHSA-2024:1253",
    "cpe" : "cpe:/o:redhat:rhel_eus:9.0",
    "package" : "kpatch-patch"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.2 Extended Update Support",
    "release_date" : "2024-02-07T00:00:00Z",
    "advisory" : "RHSA-2024:0723",
    "cpe" : "cpe:/a:redhat:rhel_eus:9.2",
    "package" : "kernel-0:5.14.0-284.52.1.el9_2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.2 Extended Update Support",
    "release_date" : "2024-02-07T00:00:00Z",
    "advisory" : "RHSA-2024:0725",
    "cpe" : "cpe:/a:redhat:rhel_eus:9.2::nfv",
    "package" : "kernel-rt-0:5.14.0-284.52.1.rt14.337.el9_2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.2 Extended Update Support",
    "release_date" : "2024-02-15T00:00:00Z",
    "advisory" : "RHSA-2024:0850",
    "cpe" : "cpe:/o:redhat:rhel_eus:9.2",
    "package" : "kpatch-patch"
  }, {
    "product_name" : "Red Hat Virtualization 4 for Red Hat Enterprise Linux 8",
    "release_date" : "2024-02-07T00:00:00Z",
    "advisory" : "RHSA-2024:0724",
    "cpe" : "cpe:/o:redhat:rhev_hypervisor:4.4::el8",
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  }, {
    "product_name" : "RHOL-5.8-RHEL-9",
    "release_date" : "2024-05-01T00:00:00Z",
    "advisory" : "RHSA-2024:2094",
    "cpe" : "cpe:/a:redhat:logging:5.8::el9",
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  }, {
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    "package" : "openshift-logging/vector-rhel9:v0.28.1-56"
  } ],
  "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" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Not affected",
    "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-2024-0646\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-0646\nhttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c5a595000e267" ],
  "name" : "CVE-2024-0646",
  "mitigation" : {
    "value" : "To mitigate this issue, prevent module tls from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.",
    "lang" : "en:us"
  },
  "csaw" : false
}