CVE-2021-47150 net: fec: fix the potential memory leak in fec_enet_init()

2024-03-2509:07:45

Linux

github.com

linux kernel

net

fec

memory leak

fix

fec_enet_init

6.8 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

15.5%

JSON

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

net: fec: fix the potential memory leak in fec_enet_init()

If the memory allocated for cbd_base is failed, it should
free the memory allocated for the queues, otherwise it causes
memory leak.

And if the memory allocated for the queues is failed, it can
return error directly.

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/freescale/fec_main.c"
    ],
    "versions": [
      {
        "version": "59d0f7465644",
        "lessThan": "15102886bc8f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "59d0f7465644",
        "lessThan": "20255d41ac56",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "59d0f7465644",
        "lessThan": "8ee7ef4a57a9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "59d0f7465644",
        "lessThan": "32a1777fd113",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "59d0f7465644",
        "lessThan": "619fee9eb13b",
        "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/freescale/fec_main.c"
    ],
    "versions": [
      {
        "version": "3.18",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.18",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "4.19.193",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.4.124",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.10.42",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.12.9",
        "lessThanOrEqual": "5.12.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.13",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]