Overview
About vulnerability
In the Linux kernel, the following vulnerability has been resolved:
USB: serial: io_edgeport: fix use after free in debug printk
The “dev_dbg(&urb->dev->dev, …” which happens after usb_free_urb(urb) is a use after free of the “urb” pointer. Store the “dev” pointer at the start of the function to avoid this issue.
Details
- Affected product:
- AlmaLinux 9.2 ESU , CentOS 7 ELS , CentOS 8.4 ELS , CentOS 8.5 ELS , CentOS Stream 8 ELS , CloudLinux 7 ELS , Oracle Linux 7 ELS , RHEL 7 ELS , Ubuntu 16.04 ELS , Ubuntu 18.04 ELS
- Affected packages:
- kernel @ 4.18.0 (+12 more)
In the Linux kernel, the following vulnerability has been resolved:
USB: serial: io_edgeport: fix use after free in debug printk
The “dev_dbg(&urb->dev->dev, …” which happens after usb_free_urb(urb) is a use after free of the “urb” pointer. Store the “dev” pointer at the start of the function to avoid this issue.