CVE-2024-26642 netfilter: nf_tables: disallow anonymous set with timeout flag

2024-03-2110:43:43

Linux

www.cve.org

linux kernel

netfilter

nf_tables

anonymous sets

timeout flag

nft_set_eval

7 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

13.1%

JSON

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

netfilter: nf_tables: disallow anonymous set with timeout flag

Anonymous sets are never used with timeout from userspace, reject this.
Exception to this rule is NFT_SET_EVAL to ensure legacy meters still work.

CNA Affected

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/netfilter/nf_tables_api.c"
    ],
    "versions": [
      {
        "version": "761da2935d6e",
        "lessThan": "e4988d8415bd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "761da2935d6e",
        "lessThan": "e9a0d3f376eb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "761da2935d6e",
        "lessThan": "fe40ffbca19d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "761da2935d6e",
        "lessThan": "7cdc1be24cc1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "761da2935d6e",
        "lessThan": "72c1efe3f247",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "761da2935d6e",
        "lessThan": "c0c2176d1814",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "761da2935d6e",
        "lessThan": "8e07c1669558",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "761da2935d6e",
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        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/netfilter/nf_tables_api.c"
    ],
    "versions": [
      {
        "version": "4.1",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.1",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "4.19.312",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.4.274",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.10.215",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.15.154",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.1.84",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.6.24",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.7.12",
        "lessThanOrEqual": "6.7.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.8",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]