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CVE-2023-52927 netfilter: allow exp not to be removed in nf_ct_find_expectation

🗓️ 14 Mar 2025 14:25:59Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 37 Views

Resolved vulnerability in Linux kernel allows expectation not to be removed in specific scenarios.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "include/net/netfilter/nf_conntrack_expect.h",
      "net/netfilter/nf_conntrack_core.c",
      "net/netfilter/nf_conntrack_expect.c",
      "net/netfilter/nft_ct.c"
    ],
    "versions": [
      {
        "version": "1bc91a5ddf3eaea0e0ea957cccf3abdcfcace00e",
        "lessThan": "3fa58a6fbd1e9e5682d09cdafb08fba004cb12ec",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1bc91a5ddf3eaea0e0ea957cccf3abdcfcace00e",
        "lessThan": "4914109a8e1e494c6aa9852f9e84ec77a5fc643f",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "include/net/netfilter/nf_conntrack_expect.h",
      "net/netfilter/nf_conntrack_core.c",
      "net/netfilter/nf_conntrack_expect.c",
      "net/netfilter/nft_ct.c"
    ],
    "versions": [
      {
        "version": "5.18",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.18",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.130",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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05 Aug 2026 09:12Current
CVSS 3.17.8
EPSS0.00303
37