CVE-2021-30178

—

CVSS 3.1

5.5 medium

EPSS

<1%p22

Published

Apr 7, 2021 (Apr 7, 2021)

Modified

Jun 17, 2026

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.

Vendors: linux fedoraproject
Products: linux kernel, fedora
Weakness: CWE-476
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (0.3%)

In the news0 stories

No ingested article mentions this CVE yet.