CVE-2026-89501

7.8 Élevée

Publiée le 11/09/2026 à 22:19 · Modifiée le 19/10/2026 à 11:17 · Reçue · Source : 416baaa9-dc9f-4396-8d5f-8c081fb06d67

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().

Traduire en français

Produits concernés

Linux

Scores CVSS

Version	Score	Source	Vecteur
3.1	7.8 Élevée	416baaa9-dc9f-4396-8d5f-8c081fb06d67	`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`

Références

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

Ailleurs

NVD
CVE.org
CIRCL Vulnerability-Lookup
CERT-FR
GitHub Advisories