Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 4.9.4 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=146cc8Issue TrackingPatchThird Party Advisory
- http://www.debian.org/security/2017/dsa-3791
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.5Release NotesVendor Advisory
- http://www.openwall.com/lists/oss-security/2017/01/21/3Mailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/95715Third Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1416114Issue TrackingPatch
- https://github.com/torvalds/linux/commit/146cc8a17a3b4996f6805ee5c080e7101277c41Issue TrackingPatchThird Party Advisory
- https://usn.ubuntu.com/3754-1/
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=146cc8Issue TrackingPatchThird Party Advisory
- http://www.debian.org/security/2017/dsa-3791
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.5Release NotesVendor Advisory
- http://www.openwall.com/lists/oss-security/2017/01/21/3Mailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/95715Third Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1416114Issue TrackingPatch
- https://github.com/torvalds/linux/commit/146cc8a17a3b4996f6805ee5c080e7101277c41Issue TrackingPatchThird Party Advisory
FAQ
What is CVE-2017-5549?
CVE-2017-5549 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 stat...
How severe is CVE-2017-5549?
CVE-2017-5549 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-5549?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.