What’s Vulnerable › Vulnerabilities

CVE-2024-46803: drm/amdkfd: Check debug trap enable before write dbg_ev_file

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-09-27 · updated 2026-08-04
• Weakness: CWE-476

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 products

• Linux kernel: before 6.6.50; from 6.7 before 6.10.9 — fixed in 6.10.9, 6.6.50

How to fix

Upgrade to a fixed version: Linux kernel 6.10.9, 6.6.50. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/547033b593063eb85bfdf9b25a5f1b8fd1911be2
• https://git.kernel.org/stable/c/820dcbd38a77bd5fdc4236d521c1c122841227d0
• https://git.kernel.org/stable/c/e6ea3b8fe398915338147fe54dd2db8155fdafd8

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