CVE-2017-7346
What it is
The vmw_gb_surface_define_ioctl function in drivers/gpu/drm/vmwgfx/vmwgfx_surface.c in the Linux kernel through 4.10.7 does not validate certain levels data, which allows local users to cause a denial of service (system hang) via a crafted ioctl call for a /dev/dri/renderD* device.
At a glance
- Exploitability
- Can be exploited locally on the machine with a low-privilege account. High risk of service disruption.
- Exploit odds
- 0.4% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.4% in the next 30 days (EPSS).
- Severity: 5.5 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.4% · EPSS, next 30 days
- Weakness
- CWE-20 · Improper input validation
- Record status
- Modified
Affected
- Linux Kernel ≤ 4.10.7
Attack profile CVSS 3.0 · 5.5
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2017-7346.md and follow it. Check whether this project is affected by CVE-2017-7346. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- http://marc.info/?l=linux-kernel&m=149086968410117&w=2
- https://bugzilla.redhat.com/show_bug.cgi?id=1437431
- https://lists.freedesktop.org/archives/dri-devel/2017-March/137429.html
- http://marc.info/?l=linux-kernel&m=149086968410117&w=2
- https://bugzilla.redhat.com/show_bug.cgi?id=1437431
- https://lists.freedesktop.org/archives/dri-devel/2017-March/137429.html
References
- http://marc.info/?l=linux-kernel&m=149086968410117&w=2
- http://www.debian.org/security/2017/dsa-3927
- http://www.debian.org/security/2017/dsa-3945
- http://www.securityfocus.com/bid/97257
- https://bugzilla.redhat.com/show_bug.cgi?id=1437431
- https://lists.freedesktop.org/archives/dri-devel/2017-March/137429.html
- http://marc.info/?l=linux-kernel&m=149086968410117&w=2
- http://www.debian.org/security/2017/dsa-3927
- http://www.debian.org/security/2017/dsa-3945
- http://www.securityfocus.com/bid/97257
- https://bugzilla.redhat.com/show_bug.cgi?id=1437431
- https://lists.freedesktop.org/archives/dri-devel/2017-March/137429.html