7.8

CVE-2026-89501

ring-buffer: Hold cpu_buffer::lock when resizing a subbuf

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().
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerLinux
≫
Produkt Linux
Default Statusunaffected
Version 8e7b58c27b3c567316a51079b375b846f9223bba
Version < 8a496aaa3da6e8d545896c2370c7e617cc931ae2
Status affected
Version 8e7b58c27b3c567316a51079b375b846f9223bba
Version < 6fcb0b745a0b80df62eae4a93ce52a2d061f4ac2
Status affected
Version 8e7b58c27b3c567316a51079b375b846f9223bba
Version < bf242baf58de03467f226c8e29554c9495dca7fc
Status affected
Version 8e7b58c27b3c567316a51079b375b846f9223bba
Version < 24974bd0da1b47fd56c975533ead50abf754e74d
Status affected
HerstellerLinux
≫
Produkt Linux
Default Statusaffected
Version 6.8
Status affected
Version 0
Version < 6.8
Status unaffected
Version <= 6.12.*
Version 6.12.109
Status unaffected
Version <= 6.18.*
Version 6.18.50
Status unaffected
Version <= 7.2.*
Version 7.2.4
Status unaffected
Version <= *
Version 7.3-rc1
Status unaffected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.16% 0.058
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
416baaa9-dc9f-4396-8d5f-8c081fb06d67 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Es wurden noch keine Informationen zu CWE veröffentlicht.
https://git.kernel.org/stable/c/8a496aaa3da6e8d545896c2370c7e617cc931ae2
https://git.kernel.org/stable/c/6fcb0b745a0b80df62eae4a93ce52a2d061f4ac2
https://git.kernel.org/stable/c/bf242baf58de03467f226c8e29554c9495dca7fc
https://git.kernel.org/stable/c/24974bd0da1b47fd56c975533ead50abf754e74d