UBUNTU-CVE-2021-3847
Dashboard / Vulnerabilities / UBUNTU-CVE-2021-3847
Summary:
Details: An unauthorized access to the execution of the setuid file with capabilities flaw in the Linux kernel OverlayFS subsystem was found in the way user copying a capable file from a nosuid mount into another mount. A local user could use this flaw to escalate their privileges on the system.
References: https://ubuntu.com/security/CVE-2021-3847, https://www.openwall.com/lists/oss-security/2021/10/14/3, https://www.cve.org/CVERecord?id=CVE-2021-3847
Affected packages
Package
Name: linux
Purl: pkg:deb/ubuntu/linux?arch=source&distro=esm-infra-legacy%2Ftrusty
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -None
Affected versions
3.11.0-12.19
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
