AZL-8965
Dashboard / Vulnerabilities / AZL-8965
Summary: CVE-2021-4095 affecting package kernel for versions less than 5.15.37.1-2
Details: 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.
References: https://nvd.nist.gov/vuln/detail/CVE-2021-4095
Affected packages
Package
Name: kernel
Purl: pkg:rpm/azure-linux/kernel
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -5.15.37.1-2
Affected versions
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
