CVE-2026-93821: Linux

Описание

Оригинално описание

In the Linux kernel, the following vulnerability has been resolved: PCI: altera: Protect root bus removal with rescan lock Hold the pci_rescan_remove_lock lock while stopping and removing a root bus to avoid racing with concurrent rescan or hotplug operations triggered via sysfs. Such races may lead to use-after-free issues or system crashes. [bhelgaas: commit log]

Засегнати продукти

• Linux Linux: ec15c4d0d5d2e431169fbdf6c6bcf0c8ff71ef22 преди cf9d84d1b6a7c3f3780c043df220a7e9e38137eb; ec15c4d0d5d2e431169fbdf6c6bcf0c8ff71ef22 преди fc462f1bdeaea9789928cbfdf5e069ee559c7642; ec15c4d0d5d2e431169fbdf6c6bcf0c8ff71ef22 преди 442b7f2a093b4a75f8963aaa7cbb2b8df35a6ac3; ec15c4d0d5d2e431169fbdf6c6bcf0c8ff71ef22 преди 4b69c63cc247fc0f499fbd11076fee9c2a6e6fd7; ec15c4d0d5d2e431169fbdf6c6bcf0c8ff71ef22 преди c0cd65906e5f7e293ef2568c9524cc0a918333c3; ec15c4d0d5d2e431169fbdf6c6bcf0c8ff71ef22 преди 7cbb8f2750d91e64caff89e164ac8280bb80bedc; ec15c4d0d5d2e431169fbdf6c6bcf0c8ff71ef22 преди a8759c8ac48c0419f5899e95a6ffc611b07c965b
• Linux Linux: 5.3; преди 5.3; 5.10.271 до 5.10.*; 5.15.222 до 5.15.*; 6.1.189 до 6.1.*; 6.6.158 до 6.6.*; 6.12.111 до 6.12.*; 6.18.53 до 6.18.*; 7.2 до *

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-2026-93821
• https://nvd.nist.gov/vuln/detail/CVE-2026-93821
• https://git.kernel.org/stable/c/cf9d84d1b6a7c3f3780c043df220a7e9e38137eb
• https://git.kernel.org/stable/c/fc462f1bdeaea9789928cbfdf5e069ee559c7642
• https://git.kernel.org/stable/c/442b7f2a093b4a75f8963aaa7cbb2b8df35a6ac3
• https://git.kernel.org/stable/c/4b69c63cc247fc0f499fbd11076fee9c2a6e6fd7
• https://git.kernel.org/stable/c/c0cd65906e5f7e293ef2568c9524cc0a918333c3
• https://git.kernel.org/stable/c/7cbb8f2750d91e64caff89e164ac8280bb80bedc
• https://git.kernel.org/stable/c/a8759c8ac48c0419f5899e95a6ffc611b07c965b