Description (CNA)
An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service or gain privileges because a guest can manipulate its virtualised %cr4 in a way that is incompatible with Linux (and possibly other guest kernels).
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| n/a / n/a | affected n/a |
CWE
No CWE identifiers supplied.
References
- http://xenbits.xen.org/xsa/advisory-293.html
- https://xenbits.xen.org/xsa/advisory-293.html
- http://www.openwall.com/lists/oss-security/2019/10/25/8
- https://www.debian.org/security/2020/dsa-4602
- https://seclists.org/bugtraq/2020/Jan/21
ADP enrichment
No English description supplied.