3.8low
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 read…
Published 9 y ago · modified 4 mo ago · JSON
CVSS
3.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.4%
percentile 31%
Public exploits
0
none known
Summary
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.
Exploit prediction (EPSS)
0.37% probability of exploitation in the next 30 days, higher than 31% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.0 | 3.8 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N |
| NVD | 2.0 | 1.7 | AV:L/AC:L/Au:S/C:P/I:N/A:N |
Classification
- Weakness
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
References
- securityfocus.com /bid/98314 · vdb-entry, x_refsource_BID, x_transferred
- bugzilla.suse.com /show_bug.cgi?id=1033948 · x_refsource_CONFIRM, x_transferred
- lists.opensuse.org /opensuse-security-announce/2017-05/msg00005.html · x_refsource_CONFIRM, x_transferred
Sources
- CVE List: CVE-2017-7995
- NVD: CVE-2017-7995
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