CVE-2024-27015 netfilter: flowtable: incorrect pppoe tuple

2024-05-0105:29:52

Linux

github.com

linux kernel

netfilter

flowtable

pppoe

vulnerability

6.6 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

5.1%

JSON

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

netfilter: flowtable: incorrect pppoe tuple

pppoe traffic reaching ingress path does not match the flowtable entry
because the pppoe header is expected to be at the network header offset.
This bug causes a mismatch in the flow table lookup, so pppoe packets
enter the classical forwarding path.

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_flow_table_ip.c"
    ],
    "versions": [
      {
        "version": "72efd585f714",
        "lessThan": "e719b52d0c56",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "72efd585f714",
        "lessThan": "f1c3c61701a0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "72efd585f714",
        "lessThan": "4ed82dd368ad",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "72efd585f714",
        "lessThan": "e3f078103421",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "72efd585f714",
        "lessThan": "6db5dc7b351b",
        "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_flow_table_ip.c"
    ],
    "versions": [
      {
        "version": "5.13",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.13",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.15.157",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.1.88",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.6.29",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.8.8",
        "lessThanOrEqual": "6.8.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.9",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]