VulnerabilityModified
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 and hypervisor crash) by leveraging the mishandling of configurations that lack a Local APIC.
MEDIUM 6.5EPSS 0.38%
Does this matter?
Lower severity and a low EPSS score (0.38%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 3.0
- 6.5 MEDIUMCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
- EPSS
- 0.38% probability · 32th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- xen/xen · debian/debian linux
- Source
- cve@mitre.org
References
- http://www.securitytracker.com/id/1040776
- https://security.gentoo.org/glsa/201810-06
- https://www.debian.org/security/2018/dsa-4131Third Party Advisory
- https://xenbits.xen.org/xsa/advisory-256.htmlVendor Advisory
- http://www.securitytracker.com/id/1040776
- https://security.gentoo.org/glsa/201810-06
- https://www.debian.org/security/2018/dsa-4131Third Party Advisory
- https://xenbits.xen.org/xsa/advisory-256.htmlVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.