Description

The klsi_105_get_line_state function in drivers/usb/serial/kl5kusb105.c in the Linux kernel before 4.9.5 places uninitialized heap-memory contents into a log entry upon a failure to read the line status, which allows local users to obtain sensitive information by reading the log.

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=146cc8a17a3b4996f6805ee5c080e7101277c410

http://www.debian.org/security/2017/dsa-3791

http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.5

http://www.openwall.com/lists/oss-security/2017/01/21/3

http://www.securityfocus.com/bid/95715

https://bugzilla.redhat.com/show_bug.cgi?id=1416114

https://github.com/torvalds/linux/commit/146cc8a17a3b4996f6805ee5c080e7101277c410

https://usn.ubuntu.com/3754-1/

Details

Risk Information

CVSS v2

CVSS v3