CVE-2026-89831: Linux

Описание

Оригинално описание

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.

Засегнати продукти

• Linux Linux: 52190933c37a96164b271f3f30c16099d9eb8c09 преди bee6dfcc111b1dffdb3e13d73b7028b699fa0165; 52190933c37a96164b271f3f30c16099d9eb8c09 преди 8e4692c6c165e81b2cbb847d8da4b45a53483b33
• Linux Linux: 7.0; преди 7.0; 7.2.5 до 7.2.*; от 7.3 нататък

История

Други уязвимости в Linux Linux

• 8.1CVE-2026-99270
• 7.8CVE-2026-99269
• CVE-2026-99268
• CVE-2026-99266
• CVE-2026-99267

Първоизточници

• https://www.cve.org/CVERecord?id=CVE-2026-89831
• https://nvd.nist.gov/vuln/detail/CVE-2026-89831
• https://git.kernel.org/stable/c/bee6dfcc111b1dffdb3e13d73b7028b699fa0165
• https://git.kernel.org/stable/c/8e4692c6c165e81b2cbb847d8da4b45a53483b33