{
  "threat_severity" : "Important",
  "public_date" : "2023-07-05T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: nf_tables: stack-out-of-bounds-read in nft_byteorder_eval()",
    "id" : "2220892",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2220892"
  },
  "cvss3" : {
    "cvss3_base_score" : "7.8",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
    "status" : "verified"
  },
  "cwe" : "CWE-125",
  "details" : [ "Linux Kernel nftables Out-Of-Bounds Read/Write Vulnerability; nft_byteorder poorly handled vm register contents when CAP_NET_ADMIN is in any user or network namespace", "An out-of-bounds (OOB) memory access flaw was found in the Netfilter module in the Linux kernel's nft_byteorder_eval in net/netfilter/nft_byteorder.c. A bound check failure allows a local attacker with CAP_NET_ADMIN access to cause a local privilege escalation issue due to incorrect data alignment." ],
  "statement" : "Exploiting this flaw will require the CAP_NET_ADMIN access privilege in any user or network namespace.",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 7",
    "release_date" : "2023-10-10T00:00:00Z",
    "advisory" : "RHSA-2023:5621",
    "cpe" : "cpe:/a:redhat:rhel_extras_rt:7",
    "package" : "kernel-rt-0:3.10.0-1160.102.1.rt56.1250.el7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "release_date" : "2023-10-10T00:00:00Z",
    "advisory" : "RHSA-2023:5574",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7",
    "package" : "kpatch-patch"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "release_date" : "2023-10-10T00:00:00Z",
    "advisory" : "RHSA-2023:5622",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7",
    "package" : "kernel-0:3.10.0-1160.102.1.el7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7.6 Advanced Update Support(Disable again in 2026 - SPRHEL-7118)",
    "release_date" : "2023-10-03T00:00:00Z",
    "advisory" : "RHSA-2023:5414",
    "cpe" : "cpe:/o:redhat:rhel_aus:7.6",
    "package" : "kernel-0:3.10.0-957.106.1.el7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7.7 Advanced Update Support",
    "release_date" : "2023-11-15T00:00:00Z",
    "advisory" : "RHSA-2023:7243",
    "cpe" : "cpe:/o:redhat:rhel_aus:7.7",
    "package" : "kernel-0:3.10.0-1062.80.1.el7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2023-09-19T00:00:00Z",
    "advisory" : "RHSA-2023:5255",
    "cpe" : "cpe:/a:redhat:enterprise_linux:8::nfv",
    "package" : "kernel-rt-0:4.18.0-477.27.1.rt7.290.el8_8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2023-09-19T00:00:00Z",
    "advisory" : "RHSA-2023:5221",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8",
    "package" : "kpatch-patch"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2023-09-19T00:00:00Z",
    "advisory" : "RHSA-2023:5244",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8",
    "package" : "kernel-0:4.18.0-477.27.1.el8_8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions",
    "release_date" : "2023-09-19T00:00:00Z",
    "advisory" : "RHSA-2023:5235",
    "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" : "2023-09-19T00:00:00Z",
    "advisory" : "RHSA-2023:5238",
    "cpe" : "cpe:/o:redhat:rhel_e4s:8.1",
    "package" : "kernel-0:4.18.0-147.90.1.el8_1"
  }, {
    "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" : "2023-09-05T00:00:00Z",
    "advisory" : "RHSA-2023:4962",
    "cpe" : "cpe:/o:redhat:rhel_aus:8.4",
    "package" : "kernel-0:4.18.0-305.103.1.el8_4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.4 Telecommunications Update Service",
    "release_date" : "2023-09-05T00:00:00Z",
    "advisory" : "RHSA-2023:4961",
    "cpe" : "cpe:/a:redhat:rhel_tus:8.4::nfv",
    "package" : "kernel-rt-0:4.18.0-305.103.1.rt7.178.el8_4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.4 Telecommunications Update Service",
    "release_date" : "2023-09-05T00:00:00Z",
    "advisory" : "RHSA-2023:4962",
    "cpe" : "cpe:/o:redhat:rhel_tus:8.4",
    "package" : "kernel-0:4.18.0-305.103.1.el8_4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions",
    "release_date" : "2023-09-05T00:00:00Z",
    "advisory" : "RHSA-2023:4962",
    "cpe" : "cpe:/o:redhat:rhel_e4s:8.4",
    "package" : "kernel-0:4.18.0-305.103.1.el8_4"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions",
    "release_date" : "2023-09-05T00:00:00Z",
    "advisory" : "RHSA-2023:4967",
    "cpe" : "cpe:/o:redhat:rhel_e4s:8.4",
    "package" : "kpatch-patch"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.6 Extended Update Support",
    "release_date" : "2023-10-10T00:00:00Z",
    "advisory" : "RHSA-2023:5548",
    "cpe" : "cpe:/o:redhat:rhel_eus:8.6",
    "package" : "kpatch-patch"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8.6 Extended Update Support",
    "release_date" : "2023-10-10T00:00:00Z",
    "advisory" : "RHSA-2023:5627",
    "cpe" : "cpe:/o:redhat:rhel_eus:8.6",
    "package" : "kernel-0:4.18.0-372.75.1.el8_6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2023-09-12T00:00:00Z",
    "advisory" : "RHSA-2023:5069",
    "cpe" : "cpe:/a:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-284.30.1.el9_2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2023-09-12T00:00:00Z",
    "advisory" : "RHSA-2023:5091",
    "cpe" : "cpe:/a:redhat:enterprise_linux:9::nfv",
    "package" : "kernel-rt-0:5.14.0-284.30.1.rt14.315.el9_2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2023-09-12T00:00:00Z",
    "advisory" : "RHSA-2023:5069",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-284.30.1.el9_2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2023-09-12T00:00:00Z",
    "advisory" : "RHSA-2023:5093",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9",
    "package" : "kpatch-patch"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.0 Extended Update Support",
    "release_date" : "2023-10-10T00:00:00Z",
    "advisory" : "RHSA-2023:5604",
    "cpe" : "cpe:/a:redhat:rhel_eus:9.0",
    "package" : "kernel-0:5.14.0-70.75.1.el9_0"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.0 Extended Update Support",
    "release_date" : "2023-10-10T00:00:00Z",
    "advisory" : "RHSA-2023:5603",
    "cpe" : "cpe:/a:redhat:rhel_eus:9.0::nfv",
    "package" : "kernel-rt-0:5.14.0-70.75.1.rt21.146.el9_0"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.0 Extended Update Support",
    "release_date" : "2023-10-10T00:00:00Z",
    "advisory" : "RHSA-2023:5575",
    "cpe" : "cpe:/o:redhat:rhel_eus:9.0",
    "package" : "kpatch-patch"
  }, {
    "product_name" : "Red Hat Virtualization 4 for Red Hat Enterprise Linux 8",
    "release_date" : "2023-10-10T00:00:00Z",
    "advisory" : "RHSA-2023:5627",
    "cpe" : "cpe:/o:redhat:rhev_hypervisor:4.4::el8",
    "package" : "kernel-0:4.18.0-372.75.1.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"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2023-35001\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-35001\nhttps://lore.kernel.org/netfilter-devel/20230705121515.747251-1-cascardo@canonical.com/T/\nhttps://www.openwall.com/lists/oss-security/2023/07/05/3" ],
  "name" : "CVE-2023-35001",
  "mitigation" : {
    "value" : "To mitigate this issue, it is possible to prevent the affected code from being loaded by blacklisting the kernel netfilter module. \nFor instructions relating to how to blacklist a kernel module refer to: https://access.redhat.com/solutions/41278",
    "lang" : "en:us"
  },
  "csaw" : false
}