CVE-2026-98146 - accel/amdxdna: Remove __counted_by from struct amdxdna_cmd_chain

CVE-2026-98146 - accel/amdxdna: Remove __counted_by from struct amdxdna_cmd_chain

https://cvefeed.io/rssfeed/latest.atom / Fri, 09/25/2026 - 13:49
CVE ID :CVE-2026-98146
Published : Sept. 25, 2026, 10:36 a.m. | 35 minutes ago
Description :In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Remove __counted_by from struct amdxdna_cmd_chain struct amdxdna_cmd_chain contains a flexible array annotated with __counted_by(command_count). Since the structure is stored in shared AMDXDNA_BO_SHARE memory, userspace can modify command_count concurrently. If command_count is changed to zero, the bounds check generated from __counted_by may fail and trigger a kernel panic. Remove __counted_by to avoid relying on the userspace-controlled command_count for the flexible array bounds check.
Severity: 0.0 | NA
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