CVE-2017-7995 Information disclosure in n/a
A flaw in Xen PV guests allowed host PCI device memory reads before permission checks, leading to information disclosure.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-7995?
CVE-2017-7995 is a low-severity vulnerability in Novell Suse Linux Enterprise Server, published on 3 May 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Xen PV guest before Xen 4.3 checked access permissions to MMIO ranges only after accessing them, allowing host PCI device space memory reads, leading to information disclosure. This is an error in the get_user function. NOTE: the upstream Xen Project considers versions before 4.5.x to be EOL.
Weakness: CWE-200
Which versions are affected by CVE-2017-7995?
It affects 6 products.
Products include Novell Suse Linux Enterprise Point of Sale, Novell Suse Linux Enterprise Server, Suse Manager, Suse Manager Proxy, Suse Openstack Cloud, Xen Xen.
How do I fix CVE-2017-7995?
Product is end of life, replace it.
Is CVE-2017-7995 being exploited?
There is no known exploitation of CVE-2017-7995 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2017-7995, GHSA-x43f-7h79-3278.