ghsa-4gh9-53jc-3mcr
Vulnerability from github
Published
2024-09-04 21:30
Modified
2024-09-10 18:30
Severity ?
7.1 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Details

In the Linux kernel, the following vulnerability has been resolved:

netfilter: flowtable: validate vlan header

Ensure there is sufficient room to access the protocol field of the VLAN header, validate it once before the flowtable lookup.

===================================================== BUG: KMSAN: uninit-value in nf_flow_offload_inet_hook+0x45a/0x5f0 net/netfilter/nf_flow_table_inet.c:32 nf_flow_offload_inet_hook+0x45a/0x5f0 net/netfilter/nf_flow_table_inet.c:32 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline] nf_hook_slow+0xf4/0x400 net/netfilter/core.c:626 nf_hook_ingress include/linux/netfilter_netdev.h:34 [inline] nf_ingress net/core/dev.c:5440 [inline]

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{
   affected: [],
   aliases: [
      "CVE-2024-44983",
   ],
   database_specific: {
      cwe_ids: [
         "CWE-908",
      ],
      github_reviewed: false,
      github_reviewed_at: null,
      nvd_published_at: "2024-09-04T20:15:07Z",
      severity: "HIGH",
   },
   details: "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: flowtable: validate vlan header\n\nEnsure there is sufficient room to access the protocol field of the\nVLAN header, validate it once before the flowtable lookup.\n\n=====================================================\nBUG: KMSAN: uninit-value in nf_flow_offload_inet_hook+0x45a/0x5f0 net/netfilter/nf_flow_table_inet.c:32\n nf_flow_offload_inet_hook+0x45a/0x5f0 net/netfilter/nf_flow_table_inet.c:32\n nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]\n nf_hook_slow+0xf4/0x400 net/netfilter/core.c:626\n nf_hook_ingress include/linux/netfilter_netdev.h:34 [inline]\n nf_ingress net/core/dev.c:5440 [inline]",
   id: "GHSA-4gh9-53jc-3mcr",
   modified: "2024-09-10T18:30:42Z",
   published: "2024-09-04T21:30:32Z",
   references: [
      {
         type: "ADVISORY",
         url: "https://nvd.nist.gov/vuln/detail/CVE-2024-44983",
      },
      {
         type: "WEB",
         url: "https://git.kernel.org/stable/c/0279c35d242d037abeb73d60d06a6d1bb7f672d9",
      },
      {
         type: "WEB",
         url: "https://git.kernel.org/stable/c/043a18bb6cf16adaa2f8642acfde6e8956a9caaa",
      },
      {
         type: "WEB",
         url: "https://git.kernel.org/stable/c/6ea14ccb60c8ab829349979b22b58a941ec4a3ee",
      },
      {
         type: "WEB",
         url: "https://git.kernel.org/stable/c/c05155cc455785916164aa5e1b4605a2ae946537",
      },
      {
         type: "WEB",
         url: "https://git.kernel.org/stable/c/d9384ae7aec46036d248d1c2c2757e471ab486c3",
      },
   ],
   schema_version: "1.4.0",
   severity: [
      {
         score: "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
         type: "CVSS_V3",
      },
   ],
}


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