CVE-2017-7995
low
CVSS v3
3.8
CVSS v2
1.7
VIR risk
3.8
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.
Predictions
Exploit likelihood
38%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2017-7995
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2017-7995.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| suse | 11.0 | affected | |
| debian | bookworm | fixed | 4.3.0-1 |
| debian | bullseye | fixed | 4.3.0-1 |
| debian | forky | fixed | 4.3.0-1 |
| debian | sid | fixed | 4.3.0-1 |
| debian | trixie | fixed | 4.3.0-1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| suse | manager | 2.1 | |
| suse | manager_proxy | 2.1 | |
| suse | openstack_cloud | 5 | |
References
CWEs
CWE-200
Verify integrity in audit chain (admin only). AS-IS.