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CVE-2022-50079

drm/amd/display: Check correct bounds for stream encoder instances for DCN303

HIGH
7.1
CVSS Score
Published: June 18, 2025 at 11:02 AM UTC
Updated: August 5, 2026 at 09:24 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.1
Exploit prediction
EPSS 0.3%

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check correct bounds for stream encoder instances for DCN303 [Why & How] eng_id for DCN303 cannot be more than 1, since we have only two instances of stream encoders. Check the correct boundary condition for engine ID for DCN303 prevent the potential out of bounds access.

Affected

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

Linux Kernel· Linux
95%
5.14 ≤ v < 5.15.635.14 ≤ v < 5.19.45.14 ≤ v < 6.05.16 ≤ v < 5.19.46.0 rc1cd6d421e3d1ad5926b74091254e345db730e7706
Vendor states this is fixed in 4c31dca1799612eb3b6413e3e574f90c3fb8f865 (fixed)
Vendor states this is fixed in 82a27c1855445d48aacc67b0c0640f3dadebe52f (fixed)
Vendor states this is fixed in 89b008222c2bf21e50219725caed31590edfd9d1 (fixed)
Vendor states this is fixed in 5.14 (unaffected)
Vendor states this is fixed in 5.15.63 (unaffected)
Vendor states this is fixed in 5.19.4 (unaffected)
Vendor states this is fixed in 6.0 (unaffected)

References (3)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/4c31dca1799612eb3b6413e3e574f90c3fb8f865
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/82a27c1855445d48aacc67b0c0640f3dadebe52f
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/89b008222c2bf21e50219725caed31590edfd9d1

CVSS

7.1HIGH[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-125

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