GHSA-9677-q555-56wxHighCVSS 7.8
In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Hold cpu_buffer...
🔗 CVE IDs covered (1)
📋 Description
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().
🔗 References (6)
- https://nvd.nist.gov/vuln/detail/CVE-2026-89501
- https://git.kernel.org/stable/c/24974bd0da1b47fd56c975533ead50abf754e74d
- https://git.kernel.org/stable/c/6fcb0b745a0b80df62eae4a93ce52a2d061f4ac2
- https://git.kernel.org/stable/c/8a496aaa3da6e8d545896c2370c7e617cc931ae2
- https://git.kernel.org/stable/c/bf242baf58de03467f226c8e29554c9495dca7fc
- https://github.com/advisories/GHSA-9677-q555-56wx