CVE-2017-8924
Description
The edge_bulk_in_callback function in drivers/usb/serial/io_ti.c in the Linux kernel before 4.10.4 allows local users to obtain sensitive information (in the dmesg ringbuffer and syslog) from uninitialized kernel memory by using a crafted USB device (posing as an io_ti USB serial device) to trigger an integer underflow.
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 | 4.9.16-1 |
| debian | bullseye | fixed | 4.9.16-1 |
| debian | forky | fixed | 4.9.16-1 |
| debian | sid | fixed | 4.9.16-1 |
| debian | trixie | fixed | 4.9.16-1 |
| linux-kernel | affected | | |
| debian | 8.0 | affected | |
| debian | 9.0 | affected | |
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=654b404f2a222f918af9b0cd18ad469d0c941a8e
- http://www.debian.org/security/2017/dsa-3886
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.4
- http://www.securityfocus.com/bid/98451
- https://github.com/torvalds/linux/commit/654b404f2a222f918af9b0cd18ad469d0c941a8e
- https://www.suse.com/security/cve/CVE-2017-8924.html
- https://security-tracker.debian.org/tracker/CVE-2017-8924
CWEs
CWE-191
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.