CVE-2017-5549

MEDIUM

Linux Kernel < 4.9.4 - Log Information Exposure

Title source: rule

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 (8)

[Issue Tracking, Patch, Third Party Advisory] http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=146cc8a17a3b4996f6805ee5c080e7101277c410

[Release Notes, Vendor Advisory] http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.5

[Mailing List, Patch, Third Party Advisory] http://www.openwall.com/lists/oss-security/2017/01/21/3

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/95715

[Issue Tracking, Patch] https://bugzilla.redhat.com/show_bug.cgi?id=1416114

[Issue Tracking, Patch, Third Party Advisory] https://github.com/torvalds/linux/commit/146cc8a17a3b4996f6805ee5c080e7101277c410

View Patch ZIP pw:eip

[Vendor Advisory] https://usn.ubuntu.com/3754-1/

[Third Party Advisory] http://www.debian.org/security/2017/dsa-3791

Scores

CVSS v3 5.5

EPSS 0.0008

EPSS Percentile 23.8%

Attack Vector LOCAL

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Classification

CWE

CWE-532

Status published

Affected Products (2)

linux/linux_kernel < 4.9.4

n/a/n/a

Timeline

Published Feb 06, 2017

Tracked Since Feb 18, 2026