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CVE-2023-52861

drm: bridge: it66121: Fix invalid connector dereference

MEDIUM
6.2
CVSS Score
Published: May 21, 2024 at 03:31 PM UTC
Updated: June 17, 2026 at 06:43 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM6.2
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
5.19 ≤ v < 6.1.635.19 ≤ v < 6.5.125.19 ≤ v < 6.6.25.19 ≤ v < 6.76.2 ≤ v < 6.5.126.6 ≤ v < 6.6.25.19e0fd83dbe924e0fd83dbe92426e4f09b01111d260d2a7dc72fdb
Vendor states this is fixed in 1374561a7cbc9a000b77bb0473bb2c19daf18d86 (fixed)
Vendor states this is fixed in 1669d7b21a664aa531856ce85b01359a376baebc (fixed)
Vendor states this is fixed in 2c80c4f0d2845645f41cbb7c9304c8efbdbd4331 (fixed)
Vendor states this is fixed in d0375f6858c4ff7244b62b02eb5e93428e1916cd (fixed)
Vendor states this is fixed in 5.19 (unaffected)
Vendor states this is fixed in 6.1.63 (unaffected)
Vendor states this is fixed in 6.5.12 (unaffected)
Vendor states this is fixed in 6.6.2 (unaffected)
Vendor states this is fixed in 6.7 (unaffected)

References (4)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/1374561a7cbc9a000b77bb0473bb2c19daf18d86
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/1669d7b21a664aa531856ce85b01359a376baebc
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/2c80c4f0d2845645f41cbb7c9304c8efbdbd4331
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/d0375f6858c4ff7244b62b02eb5e93428e1916cd

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.2MEDIUMCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-476

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