ghsa-gwmf-748f-8j3c
Vulnerability from github
Published
2024-06-21 12:31
Modified
2024-09-09 15:30
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Details

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

netfilter: tproxy: bail out if IP has been disabled on the device

syzbot reports: general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f] [..] RIP: 0010:nf_tproxy_laddr4+0xb7/0x340 net/ipv4/netfilter/nf_tproxy_ipv4.c:62 Call Trace: nft_tproxy_eval_v4 net/netfilter/nft_tproxy.c:56 [inline] nft_tproxy_eval+0xa9a/0x1a00 net/netfilter/nft_tproxy.c:168

__in_dev_get_rcu() can return NULL, so check for this.

Show details on source website

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{
  "affected": [],
  "aliases": [
    "CVE-2024-36270"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-06-21T11:15:10Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: tproxy: bail out if IP has been disabled on the device\n\nsyzbot reports:\ngeneral protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN PTI\nKASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f]\n[..]\nRIP: 0010:nf_tproxy_laddr4+0xb7/0x340 net/ipv4/netfilter/nf_tproxy_ipv4.c:62\nCall Trace:\n nft_tproxy_eval_v4 net/netfilter/nft_tproxy.c:56 [inline]\n nft_tproxy_eval+0xa9a/0x1a00 net/netfilter/nft_tproxy.c:168\n\n__in_dev_get_rcu() can return NULL, so check for this.",
  "id": "GHSA-gwmf-748f-8j3c",
  "modified": "2024-09-09T15:30:37Z",
  "published": "2024-06-21T12:31:19Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-36270"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/07eeedafc59c45fe5de43958128542be3784764c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/10f0af5234dafd03d2b75233428ec3f11cf7e43d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/21a673bddc8fd4873c370caf9ae70ffc6d47e8d3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/570b4c52096e62fda562448f5760fd0ff06110f0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6fe5af4ff06db3d4d80e07a19356640428159f03"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/819bfeca16eb9ad647ddcae25e7e12c30612147c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/caf3a8afb5ea00db6d5398adf148d5534615fd80"
    }
  ],
  "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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