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CVE-2026-89501

7.8 high Published
NVD · CVE.org

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().

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 2

  1. StatusReceived → PublishedNVD modified 2026-10-19 08:47
  2. First seenCVSS 7.8NVD modified 2026-10-19 09:17

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 4