CVE-2021-46996 netfilter: nftables: Fix a memleak from userdata error path in new objects

2024-02-2808:13:20

Linux

www.cve.org

linux kernel

netfilter

nftables

memleak fix

8.6 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

15.7%

JSON

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

netfilter: nftables: Fix a memleak from userdata error path in new objects

Release object name if userdata allocation fails.

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": "b131c96496b3",
        "lessThan": "2c784a500f5e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b131c96496b3",
        "lessThan": "59fa98bfa1f4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b131c96496b3",
        "lessThan": "dd3bebf515f3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b131c96496b3",
        "lessThan": "85dfd816fabf",
        "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": "5.10",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.10",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.10.38",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.11.22",
        "lessThanOrEqual": "5.11.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.12.5",
        "lessThanOrEqual": "5.12.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.13",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]