Information exposure through log files in Linux kernel - CVE-2017-5549
Published: February 6, 2017 / Updated: August 24, 2018
Vulnerability identifier: #VU92440
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-5549
CWE-ID: CWE-532
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to information exposure through log files error within the klsi_105_get_line_state() function in drivers/usb/serial/kl5kusb105.c. A local user can gain access to sensitive information.
Affected software
Linux kernel
Fedora
kernel
Fedora
kernel
How to mitigate CVE-2017-5549
Install update from vendor's repository.
kernel - addressed in versions 4.9.6-100.fc24, 4.9.6-200.fc25
External 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/