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416baaa9-dc9f-4396-8d5f-8c081fb06d67CVE-2023-52861

HistoryMay 21, 2024 - 4:15 p.m.

CVE-2023-52861

2024-05-2116:15:23

CWE-476

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

web.nvd.nist.gov

linux

kernel

vulnerability

resolved

null pointer

dereference

drm

bridge

it66121

connector

monitor

sound card

userspace

edid information

nvd

6.2 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

6.7 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

15.8%

JSON

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

drm: bridge: it66121: Fix invalid connector dereference

Fix the NULL pointer dereference when no monitor is connected, and the
sound card is opened from userspace.

Instead return an empty buffer (of zeroes) as the EDID information to
the sound framework if there is no connector attached.

Affected configurations

Vulners

Node

linuxlinux_kernelRange5.19–6.1.63

linuxlinux_kernelRange6.2.0–6.5.12

linuxlinux_kernelRange6.6.0–6.6.2

linuxlinux_kernelRange6.7.0≥

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/bridge/ite-it66121.c"
    ],
    "versions": [
      {
        "version": "e0fd83dbe924",
        "lessThan": "2c80c4f0d284",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e0fd83dbe924",
        "lessThan": "1669d7b21a66",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e0fd83dbe924",
        "lessThan": "1374561a7cbc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e0fd83dbe924",
        "lessThan": "d0375f6858c4",
        "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/bridge/ite-it66121.c"
    ],
    "versions": [
      {
        "version": "5.19",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.19",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.1.63",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.5.12",
        "lessThanOrEqual": "6.5.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.6.2",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.7",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]