CVE-2022-48775

2024-07-1612:15:02

CWE-401

Linux

web.nvd.nist.gov

vulnerability

linux kernel

drivers

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

AI Score

6.1

Confidence

High

EPSS

Percentile

5.0%

JSON

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

Drivers: hv: vmbus: Fix memory leak in vmbus_add_channel_kobj

kobject_init_and_add() takes reference even when it fails.
According to the doc of kobject_init_and_add()：

If this function returns an error, kobject_put() must be called to
properly clean up the memory associated with the object.

Fix memory leak by calling kobject_put().

Affected configurations

Nvd

Vulners

Node

linuxlinux_kernelRange4.15–4.19.231

linuxlinux_kernelRange4.20–5.4.181

linuxlinux_kernelRange5.5–5.10.102

linuxlinux_kernelRange5.11–5.15.25

linuxlinux_kernelRange5.16–5.16.11

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/hv/vmbus_drv.c"
    ],
    "versions": [
      {
        "version": "c2e5df616e1a",
        "lessThan": "417947891bd5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c2e5df616e1a",
        "lessThan": "fe595759c2a4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c2e5df616e1a",
        "lessThan": "91d8866ca552",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c2e5df616e1a",
        "lessThan": "c377e2ba78d3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c2e5df616e1a",
        "lessThan": "92e25b637cd4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c2e5df616e1a",
        "lessThan": "8bc69f86328e",
        "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/hv/vmbus_drv.c"
    ],
    "versions": [
      {
        "version": "4.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.15",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "4.19.231",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.4.181",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.10.102",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.15.25",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.16.11",
        "lessThanOrEqual": "5.16.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.17",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]