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CVE-2026-89831

f2fs: protect critical_task_priority updates with s_umount

In the Linux kernel, the following vulnerability has been resolved:

f2fs: protect critical_task_priority updates with s_umount

The sysfs store path already takes s_umount for GC thread control
entries, and ckpt_thread_ioprio is covered as well.

critical_task_priority also updates checkpoint or GC kthread scheduling
state, but it is not covered by that serialization. It can race with
remount or teardown paths that are stopping those threads.

Protect critical_task_priority sysfs writes with s_umount too.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerLinux
≫
Produkt Linux
Default Statusunaffected
Version 52190933c37a96164b271f3f30c16099d9eb8c09
Version < bee6dfcc111b1dffdb3e13d73b7028b699fa0165
Status affected
Version 52190933c37a96164b271f3f30c16099d9eb8c09
Version < 8e4692c6c165e81b2cbb847d8da4b45a53483b33
Status affected
HerstellerLinux
≫
Produkt Linux
Default Statusaffected
Version 7.0
Status affected
Version 0
Version < 7.0
Status unaffected
Version <= 7.2.*
Version 7.2.5
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 0.19% 0.088
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
Es wurden noch keine Informationen zu CWE veröffentlicht.
https://git.kernel.org/stable/c/bee6dfcc111b1dffdb3e13d73b7028b699fa0165
https://git.kernel.org/stable/c/8e4692c6c165e81b2cbb847d8da4b45a53483b33