UNKNOWN NVD
CVE-2026-98146
In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Remove __counted_by from struct amdxdna_cmd_chain struct amdxdna_cmd_chain
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.
References
- https://git.kernel.org/stable/c/52f3e086760a9a3e02a46a10b57caffd73b1c204
- https://git.kernel.org/stable/c/93fa3e925b15b0ded0a549fe7f12bfbb1c4e171a
- https://git.kernel.org/stable/c/b3709d354545e70388177500761f92d906c4dfd6
This unknown severity vulnerability was published on 2026-09-25 via NVD.
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