Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2021-4095

A NULL pointer dereference was found in the Linux kernel's KVM when dirty ring logging is enabled without an active vCPU context. An unprivileged local attacker on the host may use this flaw to cause a kernel oops condition and thus a denial of service by issuing a KVM_XEN_HVM_SET_ATTR ioctl. This flaw affects Linux kernel versions prior to 5.17-rc1.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 30.6%
CVSS Severity
CVSS v3 Score 5.5
CVSS v2 Score 1.9
Products affected by CVE-2021-4095


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