CVE-2021-47204 net: dpaa2-eth: fix use-after-free in dpaa2_eth_remove

2024-04-1018:56:37

Linux

www.cve.org

linux kernel

vulnerability resolved

dpaa2-eth

use-after-free

netdev

AI Score

7.5

Confidence

High

EPSS

Percentile

15.5%

JSON

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

net: dpaa2-eth: fix use-after-free in dpaa2_eth_remove

Access to netdev after free_netdev() will cause use-after-free bug.
Move debug log before free_netdev() call to avoid it.

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/dpaa2/dpaa2-eth.c"
    ],
    "versions": [
      {
        "version": "7472dd9f6499",
        "lessThan": "d74ff10ed2d9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7472dd9f6499",
        "lessThan": "1c4099dc0d6a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7472dd9f6499",
        "lessThan": "32d468622474",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7472dd9f6499",
        "lessThan": "9b5a333272a4",
        "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/dpaa2/dpaa2-eth.c"
    ],
    "versions": [
      {
        "version": "4.17",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.17",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.4.162",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.10.82",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.15.5",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.16",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]