CVE-2021-30178

MediumCVSS 5.5/10Last 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.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-476

Affected software

No affected versions have been published.

Timeline

Published: Apr 7, 2021
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2021

CVE-2021-301799.8Apache Dubbo prior to 2.6.9 and 2.7.9 by default supports generic calls to arbitrary methods exposed by provider interfaces. These invocatio CVE-2021-30189.8ipeak Infosystems ibexwebCMS (aka IPeakCMS) 3.5 is vulnerable to an unauthenticated Boolean-based SQL injection via the id parameter on the CVE-2021-301809.8Apache Dubbo prior to 2.7.9 support Tag routing which will enable a customer to route the request to the right server. These rules are used CVE-2021-301819.8Apache Dubbo prior to 2.6.9 and 2.7.9 supports Script routing which will enable a customer to route the request to the right server. These r CVE-2021-301837.5Cleartext storage of sensitive information in multiple versions of Octopus Server where in certain situations when running import or export CVE-2021-301847.8GNU Chess 6.2.7 allows attackers to execute arbitrary code via crafted PGN (Portable Game Notation) data. This is related to a buffer overfl CVE-2021-301857.5CERN Indico before 2.3.4 can use an attacker-supplied Host header in a password reset link.CVE-2021-301867.5CODESYS V2 runtime system SP before 2.4.7.55 has a Heap-based Buffer Overflow.CVE-2021-301875.3CODESYS V2 runtime system SP before 2.4.7.55 has Improper Neutralization of Special Elements used in an OS Command.CVE-2021-301889.8CODESYS V2 runtime system SP before 2.4.7.55 has a Stack-based Buffer Overflow.CVE-2021-301899.8CODESYS V2 Web-Server before 1.1.9.20 has a Stack-based Buffer Overflow.CVE-2021-30197.5ffay lanproxy 0.1 allows Directory Traversal to read /../conf/config.properties to obtain credentials for a connection to the intranet.