PT-2026-90217 · Linux · Linux
CVE-2026-89501
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Published
2026-09-11
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Updated
2026-09-11
None
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In the Linux kernel, the following vulnerability has been resolved:
ring-buffer: Hold cpu buffer::lock when resizing a subbuf
Because, ring buffer subbuf order set() can clear cpu buffer->free page,
hold cpu buffer->lock to prevent races with
ring buffer alloc read page() and ring buffer free read page().
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Related Identifiers
Affected Products
Linux