UBUNTU-CVE-2021-30178
Dashboard / Vulnerabilities / UBUNTU-CVE-2021-30178
Summary:
Details: 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.
References: https://ubuntu.com/security/CVE-2021-30178, https://git.kernel.org/linus/919f4ebc598701670e80e31573a58f1f2d2bf918, https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=919f4ebc598701670e80e31573a58f1f2d2bf918, https://www.cve.org/CVERecord?id=CVE-2021-30178
Affected packages
Package
Name: linux-hwe-edge
Purl: pkg:deb/ubuntu/[email protected]~16.04.1?arch=source&distro=xenial
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -None
Affected versions
4.8.0-28.30~16.04.1
4.8.0-30.32~16.04.1
4.8.0-32.34~16.04.1
4.8.0-34.36~16.04.1
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
