Description

In the Linux kernel, the following vulnerability has been resolved: fsi: occ: Prevent use after free Use get_device and put_device in the open and close functions to make sure the device doesn't get freed while a file descriptor is open. Also, lock around the freeing of the device buffer and check the buffer before using it in the submit function.

References 3

• git.kernel.org https://git.kernel.org/stable/c/1d5ad0a874ddfcee9f932f54b1d34cbe8b9ddcfe
• git.kernel.org https://git.kernel.org/stable/c/3593e8efc9f0dac6be70bd5c964eadaa86bf2713
• git.kernel.org https://git.kernel.org/stable/c/d3e1e24604031b0d83b6c2d38f54eeea265cfcc0

Remediation