NULL pointer dereference in Linux Kernel
CVE-2017-15102
The tower_probe function in drivers/usb/misc/legousbtower.c in the Linux kernel before 4.8.1 allows local users (who are physically proximate for inserting a crafted USB device) to gain privileges by leveraging a write-what-where condition that occurs after a race condition and a NULL pointer dereference.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.0/AV:P/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (30.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 30.7% 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
- Linux Kernel
- Canonical Ubuntu Linux — versions 12.04, 14.04
- Red Hat Enterprise Linux — versions 5.0, 6.0
- Linux Kernel Through Version 4.9-Rc1 — versions Linux kernel through version 4.9-rc1
Weakness classification (CWE)
References
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- usn.ubuntu.com/3583-2/ (vendor-advisory, Third Party Advisory)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Issue Tracking, Vendor Advisory)
- usn.ubuntu.com/3583-1/ (vendor-advisory, Third Party Advisory)
- seclists.org/oss-sec/2017/q4/238 (Mailing List, Third Party Advisory, Issue Tracking)
- www.securityfocus.com/bid/101790 (VDB Entry, Third Party Advisory, vdb-entry)
- github.com/torvalds/linux/commit/2fae9e5a7babada041e2e161699ade2447a01989 (Patch, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2017-15102?
- CVE-2017-15102 is a medium-severity vulnerability in Linux Kernel, classified under NULL Pointer Dereference. CVSS score: 6.3/10. Published 2017-11-15.
- How severe is CVE-2017-15102?
- Medium severity. CVSS v3 base score is 6.3 out of 10.