UBUNTU-CVE-2022-0646
Dashboard / Vulnerabilities / UBUNTU-CVE-2022-0646
Summary:
Details: A flaw use after free in the Linux kernel Management Component Transport Protocol (MCTP) subsystem was found in the way user triggers cancel_work_sync after the unregister_netdev during removing device. A local user could use this flaw to crash the system or escalate their privileges on the system. It is actual from Linux Kernel 5.17-rc1 (when mctp-serial.c introduced) till 5.17-rc5.
References: https://ubuntu.com/security/CVE-2022-0646, https://lore.kernel.org/all/[email protected]/T/, https://www.cve.org/CVERecord?id=CVE-2022-0646
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
