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CVE-2024-46803

drm/amdkfd: Check debug trap enable before write dbg_ev_file

MEDIUM
5.5
CVSS Score
Published: September 27, 2024 at 12:35 PM UTC
Updated: August 5, 2026 at 12:04 PM 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/amdkfd: Check debug trap enable before write dbg_ev_file In interrupt context, write dbg_ev_file will be run by work queue. It will cause write dbg_ev_file execution after debug_trap_disable, which will cause NULL pointer access. v2: cancel work "debug_event_workarea" before set dbg_ev_file as NULL.

Affected

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

Linux Kernel· Linux
95%
v < 6.6.506.5 ≤ v < 6.10.96.5 ≤ v < 6.116.5 ≤ v < 6.6.506.7 ≤ v < 6.10.90ab2d7532b05a3e7c06fd3b0c8bd6b46c1dfb5086.5
Vendor states this is fixed in 547033b593063eb85bfdf9b25a5f1b8fd1911be2 (fixed)
Vendor states this is fixed in 820dcbd38a77bd5fdc4236d521c1c122841227d0 (fixed)
Vendor states this is fixed in e6ea3b8fe398915338147fe54dd2db8155fdafd8 (fixed)
Vendor states this is fixed in 6.10.9 (unaffected)
Vendor states this is fixed in 6.11 (unaffected)
Vendor states this is fixed in 6.5 (unaffected)
Vendor states this is fixed in 6.6.50 (unaffected)

References (3)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/547033b593063eb85bfdf9b25a5f1b8fd1911be2
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/820dcbd38a77bd5fdc4236d521c1c122841227d0
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/e6ea3b8fe398915338147fe54dd2db8155fdafd8

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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