CVE-2024-35835 net/mlx5e: fix a double-free in arfs_create_groups

2024-05-1714:02:23

Linux

www.cve.org

linux kernel

net/mlx5e

vulnerability

fix

arfs_create_groups

double-free

cve-2024-35835

6.4 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

13.1%

JSON

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

net/mlx5e: fix a double-free in arfs_create_groups

When in allocated by kvzalloc fails, arfs_create_groups will free
ft->g and return an error. However, arfs_create_table, the only caller of
arfs_create_groups, will hold this error and call to
mlx5e_destroy_flow_table, in which the ft->g will be freed again.

CNA Affected

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c"
    ],
    "versions": [
      {
        "version": "1cabe6b0965e",
        "lessThan": "e3d3ed8c1529",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1cabe6b0965e",
        "lessThan": "2501afe6c4c9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1cabe6b0965e",
        "lessThan": "cf116d9c3c2a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1cabe6b0965e",
        "lessThan": "c57ca114eb00",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1cabe6b0965e",
        "lessThan": "42876db001bb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1cabe6b0965e",
        "lessThan": "b21db3f1ab79",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1cabe6b0965e",
        "lessThan": "66cc521a739c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1cabe6b0965e",
        "lessThan": "3c6d5189246f",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c"
    ],
    "versions": [
      {
        "version": "4.7",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.7",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "4.19.307",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.4.269",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.10.210",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.15.149",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.1.76",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.6.15",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.7.3",
        "lessThanOrEqual": "6.7.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.8",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]