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CVE-2024-49923

drm/amd/display: Pass non-null to dcn20_validate_apply_pipe_split_flags

MEDIUM
5.5
CVSS Score
Published: October 21, 2024 at 06:01 PM UTC
Updated: June 17, 2026 at 08:00 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Pass non-null to dcn20_validate_apply_pipe_split_flags [WHAT & HOW] "dcn20_validate_apply_pipe_split_flags" dereferences merge, and thus it cannot be a null pointer. Let's pass a valid pointer to avoid null dereference. This fixes 2 FORWARD_NULL issues reported by Coverity.

Affected

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

Linux Kernel· Linux
95%
v < 6.10.144.15 ≤ v < 6.10.144.15 ≤ v < 6.11.34.15 ≤ v < 6.124.15 ≤ v < 6.6.796.11 ≤ v < 6.11.34.154562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c
Vendor states this is fixed in 39a580cd15397e102aaec25986ae5acf492f8930 (fixed)
Vendor states this is fixed in 5559598742fb4538e4c51c48ef70563c49c2af23 (fixed)
Vendor states this is fixed in 85aa996ecfaa95d1e922867390502d23ce21b905 (fixed)
Vendor states this is fixed in 9a05270869f40c89f8d184fe2d37cb86e0d7e5f5 (fixed)
Vendor states this is fixed in 4.15 (unaffected)
Vendor states this is fixed in 6.10.14 (unaffected)
Vendor states this is fixed in 6.11.3 (unaffected)
Vendor states this is fixed in 6.12 (unaffected)
Vendor states this is fixed in 6.6.79 (unaffected)

References (4)

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/39a580cd15397e102aaec25986ae5acf492f8930
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/5559598742fb4538e4c51c48ef70563c49c2af23
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/85aa996ecfaa95d1e922867390502d23ce21b905
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/9a05270869f40c89f8d184fe2d37cb86e0d7e5f5

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

5.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-476

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