6.5med
CVE-2018-7542
An issue was discovered in Xen 4.8.x through 4.10.x allowing x86 PVH guest OS users to cause a denial of service (NULL pointer dereference…
Published 8 y ago · modified 4 mo ago · JSON
CVSS
6.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.4%
percentile 32%
Public exploits
0
none known
Summary
An issue was discovered in Xen 4.8.x through 4.10.x allowing x86 PVH guest OS users to cause a denial of service (NULL pointer dereference and hypervisor crash) by leveraging the mishandling of configurations that lack a Local APIC.
Exploit prediction (EPSS)
0.38% probability of exploitation in the next 30 days, higher than 32% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.0 | 6.5 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H |
| NVD | 2.0 | 4.9 | AV:L/AC:L/Au:N/C:N/I:N/A:C |
Classification
- Weakness
- CWE-476 NULL Pointer Dereference
References
- xenbits.xen.org /xsa/advisory-256.html · x_refsource_CONFIRM, x_transferred
- security.gentoo.org /glsa/201810-06 · vendor-advisory, x_refsource_GENTOO, x_transferred
- securitytracker.com /id/1040776 · vdb-entry, x_refsource_SECTRACK, x_transferred
- debian.org /security/2018/dsa-4131 · vendor-advisory, x_refsource_DEBIAN, x_transferred
Sources
- CVE List: CVE-2018-7542
- NVD: CVE-2018-7542
vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.