CVE-2017-7995 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...
LowCVSS 3.8
EPSS 0.37%
- Published
- Updated
- Exploit status
- No public exploit known
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.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| debian/xen(Debian:12) | < 4.3.0-1 | 4.3.0-1 |
| debian/xen(Debian:13) | < 4.3.0-1 | 4.3.0-1 |
| debian/xen(Debian:14) | < 4.3.0-1 | 4.3.0-1 |
| Xen | <= 4.2.5 | No fix listed |
| SUSE manager | = 2.1 | No fix listed |
| SUSE manager proxy | = 2.1 | No fix listed |
| SUSE openstack cloud | = 5 | No fix listed |
| novell suse linux enterprise point of sale | = 11.0-sp3 | No fix listed |
| novell suse linux enterprise server | = 11.0-sp3 | No fix listed |
References
- Debian Security Tracker CVE-2017-7995 vendor-advisory
- lists.opensuse.org third-party-advisory
- 98314 third-party-advisory vdb-entry
- bugzilla.suse.com issue-tracking third-party-advisory vdb-entry