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CVE-2022-49365

drm/amdgpu: Off by one in dm_dmub_outbox1_low_irq()

MEDIUM
5.5
CVSS Score
Published: February 26, 2025 at 02:11 AM UTC
Updated: June 17, 2026 at 05:17 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Off by one in dm_dmub_outbox1_low_irq() The > ARRAY_SIZE() should be >= ARRAY_SIZE() to prevent an out of bounds access.

Affected

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

Linux Kernel· Linux
95%
5.16 ≤ v < 5.17.155.16 ≤ v < 5.18.45.16 ≤ v < 5.195.18 ≤ v < 5.18.45.16734d5ce02cb069cccedc993d8f1dc0ea41cfa3dde27c41d5b0681c597ac1894f4e02cf626e062250
Vendor states this is fixed in 607c5cd1a08e196d9f2bd3b25a8083ed27ad7ceb (fixed)
Vendor states this is fixed in a35faec3db0e13aac8ea720bc1a3503081dd5a3d (fixed)
Vendor states this is fixed in b0808b7a04157b3f56e919f27023fec37a075fad (fixed)
Vendor states this is fixed in ec9ec3bc08b18c5b1b2feafd306ea7c348013898 (fixed)
Vendor states this is fixed in 5.16 (unaffected)
Vendor states this is fixed in 5.17.15 (unaffected)
Vendor states this is fixed in 5.18.4 (unaffected)
Vendor states this is fixed in 5.19 (unaffected)

References (4)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/607c5cd1a08e196d9f2bd3b25a8083ed27ad7ceb
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/a35faec3db0e13aac8ea720bc1a3503081dd5a3d
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/b0808b7a04157b3f56e919f27023fec37a075fad
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/ec9ec3bc08b18c5b1b2feafd306ea7c348013898

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

5.5MEDIUMCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-193

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