CVE-2017-15102
Description
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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 4.7.8-1 |
| debian | bullseye | fixed | 4.7.8-1 |
| debian | forky | fixed | 4.7.8-1 |
| debian | sid | fixed | 4.7.8-1 |
| debian | trixie | fixed | 4.7.8-1 |
| linux-kernel | affected | 4.8.1 | |
| rhel | 5.0 | affected | |
| rhel | 6.0 | affected | |
| ubuntu | 12.04 | affected | |
| ubuntu | 14.04 | affected | |
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2fae9e5a7babada041e2e161699ade2447a01989
- http://seclists.org/oss-sec/2017/q4/238
- http://www.securityfocus.com/bid/101790
- https://bugzilla.redhat.com/show_bug.cgi?id=1505905
- https://github.com/torvalds/linux/commit/2fae9e5a7babada041e2e161699ade2447a01989
- https://usn.ubuntu.com/3583-1/
- https://usn.ubuntu.com/3583-2/
- https://www.suse.com/security/cve/CVE-2017-15102.html
- https://security-tracker.debian.org/tracker/CVE-2017-15102
CWEs
CWE-476
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.