This security bulletin contains one low risk vulnerability.
CWE-193 - Off-by-one Error
Exploit availability: NoDescription
The vulnerability allows a local authenticated user to execute arbitrary code.
An issue was discovered in Xen through 4.14.x allowing x86 HVM guest OS users to cause a denial of service (stack corruption), cause a data leak, or possibly gain privileges because of an off-by-one error. NOTE: this issue is caused by an incorrect fix for CVE-2020-27671.Mitigation
Install update from vendor's website.Vulnerable software versions
Xen: 4.0.0 - 4.14.1
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?