accel/amdxdna: Prevent PM resume deadlock in hwctx_sync_debug_bo()
CVSS score
—
EPSS probability
%0.2
Risk score
—
Published
2 mo ago
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Vulnerability description
DayBreach CVE AI Research
CVE-2026-72332 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.
In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Prevent PM resume deadlock in hwctx_sync_debug_bo() amdxdna_hwctx_sync_debug_bo() invokes the hardware hwctx_sync_debug_bo() callback while holding xdna->dev_lock. The callback may call amdxdna_cmd_submit(), which in turn calls amdxdna_pm_resume_get(). If the device is suspended, amdxdna_pm_resume_get() may synchronously execute amdxdna_pm_resume(), which also acquires xdna->dev_lock, resulting in a deadlock. Avoid the deadlock by calling amdxdna_pm_resume_get() before holding xdna->dev_lock in both amdxdna_hwctx_sync_debug_bo() and amdxdna_drm_config_hwctx_ioctl()
IMPACT: Affected Products and Software
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SCORING: CVSS from Multiple Sources
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Patch and Remediation Guide
Solution & Remediation Advisory
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Public exploit and active exploitation status
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No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.
Weakness Classification and Attack Patterns (CWE & CAPEC)
CWE - Common Weakness Enumeration
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Common Attack Pattern Enumeration and Classification (CAPEC)
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Official Sources and Advisories
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