CVE-2024-50090 - "Xe/OA Assertion Crash Due to Unchecked Batch Buffer Overflow"

CVE ID : CVE-2024-50090
Published : Nov. 5, 2024, 5:15 p.m. | 24 minutes ago
Description : In the Linux kernel, the following vulnerability has been resolved: drm/xe/oa: Fix overflow in oa batch buffer By default xe_bb_create_job() appends a MI_BATCH_BUFFER_END to batch buffer, this is not a problem if batch buffer is only used once but oa reuses the batch buffer for the same metric and at each call it appends a MI_BATCH_BUFFER_END, printing the warning below and then overflowing. [ 381.072016] ------------[ cut here ]------------ [ 381.072019] xe 0000:00:02.0: [drm] Assertion `bb->len * 4 + bb_prefetch(q->gt) Severity: 0.0 | NA
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