Related Vulnerabilities: CVE-2021-30178  

An issue was discovered in the Linux kernel through 5.11.11. synic_get in arch/x86/kvm/hyperv.c has a NULL pointer dereference for certain accesses to the SynIC Hyper-V context, aka CID-919f4ebc5987.

Severity Low

Remote No

Type Denial of service

Description

An issue was discovered in the Linux kernel through 5.11.11. synic_get in arch/x86/kvm/hyperv.c has a NULL pointer dereference for certain accesses to the SynIC Hyper-V context, aka CID-919f4ebc5987.

AVG-1767 linux-lts 5.10.27-1 Medium Vulnerable

AVG-1766 linux-zen 5.11.11.zen1-1 Medium Vulnerable

AVG-1765 linux-hardened 5.11.11.hardened1-1 Medium Vulnerable

AVG-1764 linux 5.11.11.arch4-1 Medium Vulnerable

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=919f4ebc598701670e80e31573a58f1f2d2bf918