Overview
About vulnerability
In the Linux kernel, the following vulnerability has been resolved:
gadgetfs: ep_io - wait until IRQ finishes
after usb_ep_queue() if wait_for_completion_interruptible() is interrupted we need to wait until IRQ gets finished.
Otherwise complete() from epio_complete() can corrupt stack.
Details
- Affected product:
- AlmaLinux 9.2 ESU , CentOS 6 ELS , CentOS 7 ELS , CentOS 8.4 ELS , CentOS 8.5 ELS , CentOS Stream 8 ELS , CloudLinux 6 ELS , CloudLinux 7 ELS , Oracle Linux 6 ELS , Oracle Linux 7 ELS , RHEL 7 ELS , TuxCare 9.6 ESU , Ubuntu 16.04 ELS , Ubuntu 18.04 ELS , Ubuntu 20.04 ELS
- Affected packages:
- kernel @ 2.6.32 (+16 more)
In the Linux kernel, the following vulnerability has been resolved:
gadgetfs: ep_io - wait until IRQ finishes
after usb_ep_queue() if wait_for_completion_interruptible() is interrupted we need to wait until IRQ gets finished.
Otherwise complete() from epio_complete() can corrupt stack.