CVE-2026-89501
CVE CVE-2026-89501EUVD EUVD-2026-76407Published 2026-09-11T19:43:50.000ZLast changed 2026-09-13T06:30:08.000ZCVSS 7.8
What the advisory describes
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().
Source: EUVD (ENISA), in the words of the advisory.
Products the advisory names
These come from the advisory itself, not from any check we performed.
- Linux — Linux patch: 6.12.109; 6.8; 8e7b58c27b3c567316a51079b375b846f9223bba <6fcb0b745a0b80df62eae4a93ce52a2d061f4ac2; 8e7b58c27b3c567316a51079b375b846f9223bba <bf242baf58de03467f226c8e29554c9495dca7fc; patch: 6.18.50; patch: 7.3-rc1; 8e7b58c27b3c567316a51079b375b846f9223bba <8a496aaa3da6e8d545896c2370c7e617cc931ae2; 8e7b58c27b3c567316a51079b375b846f9223bba <24974bd0da1b47fd56c975533ead50abf754e74d; patch: 7.2.4; patch: 0
The versions shown are the advisory's own. Patchlage compares no version numbers and derives no judgement from them — which version is installed is something a person has to look up.
Carried in the product catalogue
An estate covering these products can be recorded in Patchlage. An advisory about them appears in the next morning's situation report.
- Linux — Linux
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