Information disclosure in Linux Kernel
CVE-2017-5549
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (35.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 35.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/95715 (VDB Entry, Third Party Advisory, vdb-entry)
- www.openwall.com/lists/oss-security/2017/01/21/3 (mailing-list, Patch, Mailing List, Third Party Advisory)
- usn.ubuntu.com/3754-1/ (vendor-advisory)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Third Party Advisory, Issue Tracking)
- github.com/torvalds/linux/commit/146cc8a17a3b4996f6805ee5c080e7101277c410 (Patch, Third Party Advisory, Issue Tracking)
- www.debian.org/security/2017/dsa-3791 (vendor-advisory)
- www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.5 (Release Notes, Vendor Advisory)
- bugzilla.redhat.com/show_bug.cgi (Patch, Issue Tracking)
Frequently asked questions
- What is CVE-2017-5549?
- CVE-2017-5549 is a medium-severity vulnerability in Linux Kernel, classified under Insertion of Sensitive Information into Log File. CVSS score: 5.5/10. Published 2017-02-06.
- How severe is CVE-2017-5549?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2017-5549 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.