CVE-2017-7187
Description
The sg_ioctl function in drivers/scsi/sg.c in the Linux kernel through 4.10.4 allows local users to cause a denial of service (stack-based buffer overflow) or possibly have unspecified other impact via a large command size in an SG_NEXT_CMD_LEN ioctl call, leading to out-of-bounds write access in the sg_write function.
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 | 4.9.18-1 |
| debian | bullseye | fixed | 4.9.18-1 |
| debian | forky | fixed | 4.9.18-1 |
| debian | sid | fixed | 4.9.18-1 |
| debian | trixie | fixed | 4.9.18-1 |
| linux-kernel | affected | 3.18.50 |
References
- http://www.securityfocus.com/bid/96989
- http://www.securitytracker.com/id/1038086
- https://access.redhat.com/errata/RHSA-2017:1842
- https://access.redhat.com/errata/RHSA-2017:2077
- https://access.redhat.com/errata/RHSA-2017:2669
- https://gist.github.com/dvyukov/48ad14e84de45b0be92b7f0eda20ff1b
- https://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git/commit/?h=4.11/scsi-fixes&id=bf33f87dd04c371ea33feb821b60d63d754e3124
- https://source.android.com/security/bulletin/pixel/2017-10-01
- https://www.suse.com/security/cve/CVE-2017-7187.html
- https://security-tracker.debian.org/tracker/CVE-2017-7187
CWEs
CWE-119
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.