CVE-2026-89501High· 7.8▾ TwilightIn 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 rac…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 42.9 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Sep 12.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
0.2%
— → 4.7
— → 7.8
none → high
7.8 → 4.7
high → medium
4.7 → 7.8
medium → high
7.8 → 4.7
high → medium
4.7 → 7
medium → high
Last analysed / modified upstream
7 → 7.8
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().
Linux >= 8e7b58c27b3c567316a51079b375b846f9223bba < 8a496aaa3da6e8d545896c2370c7e617cc931ae2Linux >= 8e7b58c27b3c567316a51079b375b846f9223bba < 6fcb0b745a0b80df62eae4a93ce52a2d061f4ac2Linux >= 8e7b58c27b3c567316a51079b375b846f9223bba < bf242baf58de03467f226c8e29554c9495dca7fcLinux >= 8e7b58c27b3c567316a51079b375b846f9223bba < 24974bd0da1b47fd56c975533ead50abf754e74dLinux 6.8Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-98276High· 7.8In the Linux kernel, the following vulnerability has been resolved: net: lock the socket in sock_gettstamp() sk->sk_flags must only be changed while holding the socket lock, because sock_set_flag() and sock_reset_flag() use non atomic …
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