{
  "threat_severity" : "Low",
  "public_date" : "2024-05-19T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: netfilter: nf_tables: reject new basechain after table flag update",
    "id" : "2281664",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2281664"
  },
  "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"
  },
  "details" : [ "In the Linux kernel, the following vulnerability has been resolved:\nnetfilter: nf_tables: reject new basechain after table flag update\nWhen dormant flag is toggled, hooks are disabled in the commit phase by\niterating over current chains in table (existing and new).\nThe following configuration allows for an inconsistent state:\nadd table x\nadd chain x y { type filter hook input priority 0; }\nadd table x { flags dormant; }\nadd chain x w { type filter hook input priority 1; }\nwhich triggers the following warning when trying to unregister chain w\nwhich is already unregistered.\n[  127.322252] WARNING: CPU: 7 PID: 1211 at net/netfilter/core.c:50                                                                     1 __nf_unregister_net_hook+0x21a/0x260\n[...]\n[  127.322519] Call Trace:\n[  127.322521]  <TASK>\n[  127.322524]  ? __warn+0x9f/0x1a0\n[  127.322531]  ? __nf_unregister_net_hook+0x21a/0x260\n[  127.322537]  ? report_bug+0x1b1/0x1e0\n[  127.322545]  ? handle_bug+0x3c/0x70\n[  127.322552]  ? exc_invalid_op+0x17/0x40\n[  127.322556]  ? asm_exc_invalid_op+0x1a/0x20\n[  127.322563]  ? kasan_save_free_info+0x3b/0x60\n[  127.322570]  ? __nf_unregister_net_hook+0x6a/0x260\n[  127.322577]  ? __nf_unregister_net_hook+0x21a/0x260\n[  127.322583]  ? __nf_unregister_net_hook+0x6a/0x260\n[  127.322590]  ? __nf_tables_unregister_hook+0x8a/0xe0 [nf_tables]\n[  127.322655]  nft_table_disable+0x75/0xf0 [nf_tables]\n[  127.322717]  nf_tables_commit+0x2571/0x2620 [nf_tables]", "In the Linux kernel, the following vulnerability has been resolved:\nnetfilter: nf_tables: reject new basechain after table flag update\nThe Linux kernel CVE team has assigned CVE-2024-35900 to this issue.\nUpstream advisory:\nhttps://lore.kernel.org/linux-cve-announce/2024051952-CVE-2024-35900-c2c9@gregkh/T" ],
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2024-08-08T00:00:00Z",
    "advisory" : "RHSA-2024:5102",
    "cpe" : "cpe:/a:redhat:enterprise_linux:8::nfv",
    "package" : "kernel-rt-0:4.18.0-553.16.1.rt7.357.el8_10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2024-08-08T00:00:00Z",
    "advisory" : "RHSA-2024:5101",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8",
    "package" : "kernel-0:4.18.0-553.16.1.el8_10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2024-11-12T00:00:00Z",
    "advisory" : "RHSA-2024:9315",
    "cpe" : "cpe:/a:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-503.11.1.el9_5"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2024-11-12T00:00:00Z",
    "advisory" : "RHSA-2024:9315",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-503.11.1.el9_5"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.4 Extended Update Support",
    "release_date" : "2025-04-16T00:00:00Z",
    "advisory" : "RHSA-2025:3935",
    "cpe" : "cpe:/a:redhat:rhel_eus:9.4",
    "package" : "kernel-0:5.14.0-427.65.1.el9_4"
  } ],
  "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"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Fix deferred",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2024-35900\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-35900\nhttps://lore.kernel.org/linux-cve-announce/2024051952-CVE-2024-35900-c2c9@gregkh/T" ],
  "name" : "CVE-2024-35900",
  "csaw" : false
}