CVE-2023-53059 Information

Description

In the Linux kernel the following vulnerability has been resolved:

platform/chrome: cros_ec_chardev: fix kernel data leak from ioctl

It is possible to peep kernel page’s data by providing larger insize in struct cros_ec_command1 when invoking EC host commands.

Fix it by using zeroed memory.

Reference

https://git.kernel.org/stable/c/13493ad6a220cb3f6f3552a16b4f2753a118b633 https://git.kernel.org/stable/c/a0d8644784f73fa39f57f72f374eefaba2bf48a0 https://git.kernel.org/stable/c/b20cf3f89c56b5f6a38b7f76a8128bf9f291bbd3 https://git.kernel.org/stable/c/eab28bfafcd1245a3510df9aa9eb940589956ea6 https://git.kernel.org/stable/c/ebea2e16504f40d2c2bac42ad5c5a3de5ce034b4 https://git.kernel.org/stable/c/f86ff88a1548ccf5a13960c0e7625ca787ea0993