CVE-2021-47121

2024-03-1521:15:07

416baaa9-dc9f-4396-8d5f-8c081fb06d67

web.nvd.nist.gov

linux kernel

vulnerability

memory leak

fix

caif

cfusbl_device_notify

6.5 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

13.2%

JSON

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

net: caif: fix memory leak in cfusbl_device_notify

In case of caif_enroll_dev() fail, allocated
link_support won’t be assigned to the corresponding
structure. So simply free allocated pointer in case
of error.

Affected configurations

Vulners

Node

linuxlinux_kernelRange3.3–4.4.272

linuxlinux_kernelRange4.5.0–4.9.272

linuxlinux_kernelRange4.10.0–4.14.236

linuxlinux_kernelRange4.15.0–4.19.194

linuxlinux_kernelRange4.20.0–5.4.125

linuxlinux_kernelRange5.5.0–5.10.43

linuxlinux_kernelRange5.11.0–5.12.10

linuxlinux_kernelRange5.13.0≥

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

Vendor	Product	Version	CPE
linux	linux_kernel	*	cpe:2.3:o:linux:linux_kernel::::::::
linux	linux_kernel	*	cpe:2.3:o:linux:linux_kernel::::::::
linux	linux_kernel	*	cpe:2.3:o:linux:linux_kernel::::::::
linux	linux_kernel	*	cpe:2.3:o:linux:linux_kernel::::::::
linux	linux_kernel	*	cpe:2.3:o:linux:linux_kernel::::::::
linux	linux_kernel	*	cpe:2.3:o:linux:linux_kernel::::::::
linux	linux_kernel	*	cpe:2.3:o:linux:linux_kernel::::::::
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": [
      "net/caif/caif_usb.c"
    ],
    "versions": [
      {
        "version": "7ad65bf68d70",
        "lessThan": "cc302e30a504",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7ad65bf68d70",
        "lessThan": "81afc61cb6e2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7ad65bf68d70",
        "lessThan": "e8b37f5009ea",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7ad65bf68d70",
        "lessThan": "9ea0ab48e755",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7ad65bf68d70",
        "lessThan": "4d94f530cd24",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7ad65bf68d70",
        "lessThan": "46403c1f80b0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7ad65bf68d70",
        "lessThan": "dde8686985ec",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7ad65bf68d70",
        "lessThan": "7f5d86669fa4",
        "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/caif/caif_usb.c"
    ],
    "versions": [
      {
        "version": "3.3",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.3",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "4.4.272",
        "lessThanOrEqual": "4.4.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "4.9.272",
        "lessThanOrEqual": "4.9.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "4.14.236",
        "lessThanOrEqual": "4.14.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "4.19.194",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.4.125",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.10.43",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.12.10",
        "lessThanOrEqual": "5.12.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.13",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]