CVE-2024-26673 netfilter: nft_ct: sanitize layer 3 and 4 protocol number in custom expectations

2024-04-0206:51:05

Linux

github.com

linux

kernel

netfilter

nft_ct

protocol

expectations

6.8 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

13.2%

JSON

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

netfilter: nft_ct: sanitize layer 3 and 4 protocol number in custom expectations

Disallow families other than NFPROTO_{IPV4,IPV6,INET}.
Disallow layer 4 protocol with no ports, since destination port is a
mandatory attribute for this object.

CNA Affected

[
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "857b46027d6f",
        "lessThan": "f549f340c91f",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "857b46027d6f",
        "lessThan": "65ee90efc928",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "857b46027d6f",
        "lessThan": "b775ced05489",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "857b46027d6f",
        "lessThan": "0f501dae16b7",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "857b46027d6f",
        "lessThan": "cfe3550ea5df",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "857b46027d6f",
        "lessThan": "38cc1605338d",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "857b46027d6f",
        "lessThan": "8059918a1377",
        "versionType": "git"
      }
    ],
    "programFiles": [
      "net/netfilter/nft_ct.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "5.3"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "5.3",
        "versionType": "custom"
      },
      {
        "status": "unaffected",
        "version": "5.4.269",
        "versionType": "custom",
        "lessThanOrEqual": "5.4.*"
      },
      {
        "status": "unaffected",
        "version": "5.10.210",
        "versionType": "custom",
        "lessThanOrEqual": "5.10.*"
      },
      {
        "status": "unaffected",
        "version": "5.15.149",
        "versionType": "custom",
        "lessThanOrEqual": "5.15.*"
      },
      {
        "status": "unaffected",
        "version": "6.1.77",
        "versionType": "custom",
        "lessThanOrEqual": "6.1.*"
      },
      {
        "status": "unaffected",
        "version": "6.6.16",
        "versionType": "custom",
        "lessThanOrEqual": "6.6.*"
      },
      {
        "status": "unaffected",
        "version": "6.7.4",
        "versionType": "custom",
        "lessThanOrEqual": "6.7.*"
      },
      {
        "status": "unaffected",
        "version": "6.8",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "net/netfilter/nft_ct.c"
    ],
    "defaultStatus": "affected"
  }
]