CVE-2022-48852

2024-07-1613:15:12

Linux

web.nvd.nist.gov

linux kernel

drm vc4 hdmi

device leakage

CVSS3

3.3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

6.5

Confidence

Low

EPSS

Percentile

16.0%

JSON

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

drm/vc4: hdmi: Unregister codec device on unbind

On bind we will register the HDMI codec device but we don’t unregister
it on unbind, leading to a device leakage. Unregister our device at
unbind.

Affected configurations

Nvd

Vulners

Node

linuxlinux_kernelRange<5.15.29

linuxlinux_kernelRange5.16–5.16.15

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/gpu/drm/vc4/vc4_hdmi.c",
      "drivers/gpu/drm/vc4/vc4_hdmi.h"
    ],
    "versions": [
      {
        "version": "1da177e4c3f4",
        "lessThan": "ee22082c3e2f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f4",
        "lessThan": "1ed68d776246",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f4",
        "lessThan": "e40945ab7c7f",
        "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/gpu/drm/vc4/vc4_hdmi.c",
      "drivers/gpu/drm/vc4/vc4_hdmi.h"
    ],
    "versions": [
      {
        "version": "5.15.29",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.16.15",
        "lessThanOrEqual": "5.16.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.17",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]