GHSA-3QV4-3PRP-9CV5

Vulnerability from github – Published: 2024-05-19 09:34 – Updated: 2024-10-29 21:30
VLAI?
Details

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

netfilter: nf_tables: Fix potential data-race in __nft_flowtable_type_get()

nft_unregister_flowtable_type() within nf_flow_inet_module_exit() can concurrent with __nft_flowtable_type_get() within nf_tables_newflowtable(). And thhere is not any protection when iterate over nf_tables_flowtables list in __nft_flowtable_type_get(). Therefore, there is pertential data-race of nf_tables_flowtables list entry.

Use list_for_each_entry_rcu() to iterate over nf_tables_flowtables list in __nft_flowtable_type_get(), and use rcu_read_lock() in the caller nft_flowtable_type_get() to protect the entire type query process.

Severity ?
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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{
  "affected": [],
  "aliases": [
    "CVE-2024-35898"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-362"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-05-19T09:15:10Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_tables: Fix potential data-race in __nft_flowtable_type_get()\n\nnft_unregister_flowtable_type() within nf_flow_inet_module_exit() can\nconcurrent with __nft_flowtable_type_get() within nf_tables_newflowtable().\nAnd thhere is not any protection when iterate over nf_tables_flowtables\nlist in __nft_flowtable_type_get(). Therefore, there is pertential\ndata-race of nf_tables_flowtables list entry.\n\nUse list_for_each_entry_rcu() to iterate over nf_tables_flowtables list\nin __nft_flowtable_type_get(), and use rcu_read_lock() in the caller\nnft_flowtable_type_get() to protect the entire type query process.",
  "id": "GHSA-3qv4-3prp-9cv5",
  "modified": "2024-10-29T21:30:46Z",
  "published": "2024-05-19T09:34:47Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-35898"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/24225011d81b471acc0e1e315b7d9905459a6304"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2485bcfe05ee3cf9ca8923a94fa2e456924c79c8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/69d1fe14a680042ec913f22196b58e2c8ff1b007"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8b891153b2e4dc0ca9d9dab8f619d49c740813df"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/940d41caa71f0d3a52df2fde5fada524a993e331"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9b5b7708ec2be21dd7ef8ca0e3abe4ae9f3b083b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a347bc8e6251eaee4b619da28020641eb5b0dd77"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e684b1674fd1ca4361812a491242ae871d6b2859"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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