CVE-2026-90135 net: add missing ref_tracker_dir_exit() to alloc_netdev_mqs()

In the Linux kernel, the following vulnerability has been resolved: net: add missing reftrackerdirexit to allocnetdevmqs sashiko is reporting that trying to read /sys/kernel/debug/reftracker/ causes use-afer-free crash when either allocpercpu or devaddrinit in allocnetdevmqs failed, for commit...

EUVD-2026-81728

In the Linux kernel, the following vulnerability has been resolved: net: add missing reftrackerdirexit to allocnetdevmqs sashiko is reporting that trying to read /sys/kernel/debug/reftracker/ causes use-afer-free crash when either allocpercpu or devaddrinit in allocnetdevmqs failed, for commit...

CVE-2026-90135

CVE-2026-90135 affects the Linux kernel net subsystem. The vulnerability is a use-after-free crash triggered when reading /sys/kernel/debug/ref_tracker/* after a failure in alloc_percpu() or dev_addr_init() within alloc_netdev_mqs(). The root cause is that commit 4d92b95ff2f9, which introduced ne...