CVE-2017-8831
Description
The saa7164_bus_get function in drivers/media/pci/saa7164/saa7164-bus.c in the Linux kernel through 4.11.5 allows local users to cause a denial of service (out-of-bounds array access) or possibly have unspecified other impact by changing a certain sequence-number value, aka a "double fetch" vulnerability.
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 | 4.12.6-1 |
| debian | bullseye | fixed | 4.12.6-1 |
| debian | forky | fixed | 4.12.6-1 |
| debian | sid | fixed | 4.12.6-1 |
| debian | trixie | fixed | 4.12.6-1 |
| linux-kernel | affected | | |
| debian | 7.0 | affected | |
| ubuntu | 14.04 | affected | |
References
- http://www.securityfocus.com/archive/1/540770/30/0/threaded
- http://www.securityfocus.com/bid/99619
- https://bugzilla.kernel.org/show_bug.cgi?id=195559
- https://github.com/stoth68000/media-tree/commit/354dd3924a2e43806774953de536257548b5002c
- https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html
- https://usn.ubuntu.com/3754-1/
- https://www.suse.com/security/cve/CVE-2017-8831.html
- https://security-tracker.debian.org/tracker/CVE-2017-8831
CWEs
CWE-125
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.