NVD Vulnerability Detail

CVE-2017-5549

Summary	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.
Publication Date	Feb. 6, 2017, 3:59 p.m.
Registration Date	Jan. 26, 2021, 1:26 p.m.
Last Update	Nov. 21, 2024, 12:27 p.m.

Affected software configurations

Configuration1		or higher	or less	more than	less than
cpe:2.3:o:linux:linux_kernel::::::::			4.9.4

Related information, measures and tools

No	URL	タグ
1	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=146cc8a17a3b4996f6805ee5c080e7101277c410	Issue Tracking Patch Third Party Advisory
2	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=146cc8a17a3b4996f6805ee5c080e7101277c410	Issue Tracking Patch Third Party Advisory
3	http://www.debian.org/security/2017/dsa-3791
4	http://www.debian.org/security/2017/dsa-3791
5	http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.5	Release Notes Vendor Advisory
6	http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.5	Release Notes Vendor Advisory
7	http://www.openwall.com/lists/oss-security/2017/01/21/3	Mailing List Patch Third Party Advisory
8	http://www.openwall.com/lists/oss-security/2017/01/21/3	Mailing List Patch Third Party Advisory
9	http://www.securityfocus.com/bid/95715	Third Party Advisory VDB Entry
10	http://www.securityfocus.com/bid/95715	Third Party Advisory VDB Entry
11	https://bugzilla.redhat.com/show_bug.cgi?id=1416114	Issue Tracking Patch
12	https://bugzilla.redhat.com/show_bug.cgi?id=1416114	Issue Tracking Patch
13	https://github.com/torvalds/linux/commit/146cc8a17a3b4996f6805ee5c080e7101277c410	Issue Tracking Patch Third Party Advisory
14	https://github.com/torvalds/linux/commit/146cc8a17a3b4996f6805ee5c080e7101277c410	Issue Tracking Patch Third Party Advisory
15	https://usn.ubuntu.com/3754-1/
16	https://usn.ubuntu.com/3754-1/

Common Vulnerabilities List

No	CWE	Name	URL
1	CWE-532	ログファイルからの情報漏えい	https://cwe.mitre.org/data/definitions/532.html

JVN Vulnerability Information

Linux Kernel の drivers/usb/serial/kl5kusb105.c における重要な情報を取得される脆弱性

Title	Linux Kernel の drivers/usb/serial/kl5kusb105.c における重要な情報を取得される脆弱性
Summary	Linux Kernel の drivers/usb/serial/kl5kusb105.c の klsi_105_get_line_state 関数は、行ステータスの読み取りに失敗した際、ログのエントリに初期化されていないヒープメモリの内容を配置するため、重要な情報を取得される脆弱性が存在します。
Possible impacts	ローカルユーザにより、ログを読まれることで、重要な情報を取得される可能性があります。
Solution	ベンダより正式な対策が公開されています。ベンダ情報を参照して適切な対策を実施してください。
Publication Date	Jan. 20, 2017, midnight
Registration Date	Feb. 14, 2017, 11:31 a.m.
Last Update	Feb. 14, 2017, 11:31 a.m.

Affected System

Linux

Linux Kernel 4.9.5 未満

CVE (情報セキュリティ共通脆弱性識別子)

No	Name	URL
Common Vulnerabilities and Exposures (CVE)
1	CVE-2017-5549	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5549
National Vulnerability Database (NVD)
2	CVE-2017-5549	http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-5549

CWE (共通脆弱性タイプ一覧)

No	Name	URL
JVNDB
1	CWE-532	https://cwe.mitre.org/data/definitions/532.html

ベンダー情報

No	Name	URL
ChangeLog
1	ChangeLog-4.9.5	https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.5
GitHub
2	USB: serial: kl5kusb105: fix line-state error handling	https://github.com/torvalds/linux/commit/146cc8a17a3b4996f6805ee5c080e7101277c410
Linux Kernel
3	Linux Kernel Archives	http://www.kernel.org
Linux kernel source tree
4	USB: serial: kl5kusb105: fix line-state error handling	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=146cc8a17a3b4996f6805ee5c080e7101277c410
Red Hat Bugzilla
5	Bug 1416114	https://bugzilla.redhat.com/show_bug.cgi?id=1416114

Change Log

No	Changed Details	Date of change
0	[2017年02月14日] 掲載	Feb. 17, 2018, 10:37 a.m.