drm/amdkfd: Properly acquire queue buffers in CRIU restore
CVSS score
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EPSS probability
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Risk score
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Published
4 h ago
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Vulnerability description
DayBreach AI Explanation
Verified against sourcesSources read
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Evidence confidence
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Short explanation
A vulnerability has been identified in the Linux kernel drm/amdkfd subsystem because kfd_queue_acquire_buffers() was missed in set_queue_properties_from_criu(). This leaves buffer fields uninitialized, causing issues when subsequent code expects them to be non-null.
Leaving buffer fields uninitialized can lead to unexpected memory states and stability issues during subsequent code execution.
What should be done?
- Follow vendor advisories
- Apply kernel updates
Chain of evidence and sources
set_queue_properties_from_criu() fonksiyonunda kfd_queue_acquire_buffers() çağrısı atlanmıştır.
Arabellek alanlarının boş kalması, sonraki kod akışında sorunlara neden olabilir.
Show the technical text from the sources
In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Properly acquire queue buffers in CRIU restore When kfd_queue_acquire_buffers() was split off from set_queue_properties_from_user(), set_queue_properties_from_criu() was missed. Thus, set_queue_properties_from_criu() is not filling out the buffer fields of queue_properties, which can come up when subsequent code expects them to be non-null. Add the proper call to kfd_queue_acquire_buffers(), and also use the right cast types in set_queue_properties_from_criu() (which were missed at the same time) (cherry picked from commit 88ed96abbbe27b70193544fbc1ee06448c274714)
This explanation was compiled automatically from the source records. Scores, active exploitation, patch and exploit status come straight from the sources.
IMPACT: Affected Products and Software
RED HAT CSAF/VEX: Product Impact Check
SCORING: CVSS from Multiple Sources
CVSS Scores
The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.
| SCORE | VERSION | SEVERITY | VECTOR | SOURCE |
|---|---|---|---|---|
| The sources have not yet published a verified CVSS metric. | ||||
Patch and Remediation Guide
Solution & Remediation Advisory
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Public exploit and active exploitation status
Verified exploit intelligence
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
While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-98905 is associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-98905 weaknesses.
Official Sources and Advisories
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