CVE-2017-5549

low-risk

Published 2017-02-06

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.

Do I need to act?

0.08% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 5.5/10 Medium

LOCAL / LOW complexity

Affected Products (1)

Linux Kernel

Affected Vendors

Linux

References (16)

Issue Tracking http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=146cc8...

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

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

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

Third Party Advisory http://www.securityfocus.com/bid/95715

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

Issue Tracking https://github.com/torvalds/linux/commit/146cc8a17a3b4996f6805ee5c080e7101277c41...

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

Issue Tracking http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=146cc8...

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

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

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

Third Party Advisory http://www.securityfocus.com/bid/95715

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

Issue Tracking https://github.com/torvalds/linux/commit/146cc8a17a3b4996f6805ee5c080e7101277c41...

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

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low-risk

Severity 18/34 · Moderate

Exploitability 0/34 · Minimal

Exposure 5/34 · Minimal