CVE-2021-47054

2024-02-2923:15:07

Linux

web.nvd.nist.gov

linux

kernel

vulnerability

cve-2021-47054

reference count

leak

fix

AI Score

6.3

Confidence

Low

EPSS

Percentile

13.0%

JSON

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

bus: qcom: Put child node before return

Put child node before return to fix potential reference count leak.
Generally, the reference count of child is incremented and decremented
automatically in the macro for_each_available_child_of_node() and should
be decremented manually if the loop is broken in loop body.

Affected configurations

Vulners

Node

linuxlinux_kernelRange4.9–4.9.269

linuxlinux_kernelRange4.10.0–4.14.233

linuxlinux_kernelRange4.15.0–4.19.191

linuxlinux_kernelRange4.20.0–5.4.119

linuxlinux_kernelRange5.5.0–5.10.37

linuxlinux_kernelRange5.11.0–5.11.21

linuxlinux_kernelRange5.12.0–5.12.4

linuxlinux_kernelRange5.13.0≥

VendorProductVersionCPE
linuxlinux_kernel*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
linux	linux_kernel	*	cpe:2.3:o:linux:linux_kernel::::::::

CNA Affected

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/bus/qcom-ebi2.c"
    ],
    "versions": [
      {
        "version": "335a12754808",
        "lessThan": "a6191e91c10e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "335a12754808",
        "lessThan": "94810fc52925",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "335a12754808",
        "lessThan": "a399dd80e697",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "335a12754808",
        "lessThan": "3a76ec28824c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "335a12754808",
        "lessThan": "00f6abd3509b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "335a12754808",
        "lessThan": "6b68c03dfc79",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "335a12754808",
        "lessThan": "c6f8e0dc8da1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "335a12754808",
        "lessThan": "ac6ad7c2a862",
        "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/bus/qcom-ebi2.c"
    ],
    "versions": [
      {
        "version": "4.9",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.9",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "4.9.269",
        "lessThanOrEqual": "4.9.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "4.14.233",
        "lessThanOrEqual": "4.14.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "4.19.191",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.4.119",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.10.37",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.11.21",
        "lessThanOrEqual": "5.11.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.12.4",
        "lessThanOrEqual": "5.12.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.13",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]