5.6med
CVE-2016-5242
The p2m_teardown function in arch/arm/p2m.c in Xen 4.4.x through 4.6.x allows local guest OS users with access to the driver domain to caus…
Published 10 y ago · modified 4 mo ago · JSON
CVSS
5.6
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.3%
percentile 28%
Public exploits
0
none known
Summary
The p2m_teardown function in arch/arm/p2m.c in Xen 4.4.x through 4.6.x allows local guest OS users with access to the driver domain to cause a denial of service (NULL pointer dereference and host OS crash) by creating concurrent domains and holding references to them, related to VMID exhaustion.
Exploit prediction (EPSS)
0.34% probability of exploitation in the next 30 days, higher than 28% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.0 | 5.6 | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H |
| NVD | 2.0 | 4.7 | AV:L/AC:M/Au:N/C:N/I:N/A:C |
References
- securityfocus.com /bid/91015 · vdb-entry, x_refsource_BID, x_transferred
- xenbits.xen.org /xsa/advisory-181.html · x_refsource_CONFIRM, x_transferred
- securitytracker.com /id/1036035 · vdb-entry, x_refsource_SECTRACK, x_transferred
- debian.org /security/2016/dsa-3633 · vendor-advisory, x_refsource_DEBIAN, x_transferred
Sources
- CVE List: CVE-2016-5242
- NVD: CVE-2016-5242
vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.