CVE-2017-15102
MEDIUM severity · CVSS 6.3 · CWE-476
6.3CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorPhysical
Attack complexityHigh
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.0/AV:P/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2fae9e5a7babada041e2e161699ade2447a01989 ↗
Additional information
- NVD record
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2fae9e5a7babada041e2e161699ade2447a01989Patch
- https://bugzilla.redhat.com/show_bug.cgi?id=1505905Patch
- https://github.com/torvalds/linux/commit/2fae9e5a7babada041e2e161699ade2447a01989Patch
- http://seclists.org/oss-sec/2017/q4/238Advisory
- http://www.securityfocus.com/bid/101790Advisory
- https://usn.ubuntu.com/3583-1/Advisory
- https://usn.ubuntu.com/3583-2/Advisory