Unknown
CVE-2021-4197
CVE ID
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CVE-2021-4197
MITRE ATT&CK
Collection
Command and Control
Credential Access
Defense Evasion
Discovery
Execution
Exfiltration
Impact
Initial Access
Lateral Movement
Persistence
Privilege Escalation
Topic Tags
Description
An unprivileged write to the file handler flaw in the Linux kernel’s control groups and namespaces subsystem was found in the way users have access to some less privileged process that are controlled by cgroups and have higher privileged parent process. It is actually both for cgroup2 and cgroup1 versions of control groups. A local user could use this flaw to crash the system or escalate their privileges on the system.
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CVSS V3 Severity and Metrics
General Information
Vendors
- broadcom,
- debian,
- linux,
- netapp,
- oracle
Products
- brocade fabric operating system firmware -,
- communications cloud native core binding support function 22.1.1,
- communications cloud native core binding support function 22.1.3,
- communications cloud native core binding support function 22.2.0,
- debian linux 10.0,
- h300s firmware -,
- h410c firmware -,
- h410s firmware -,
- h500s firmware -,
- h700s firmware -,
- linux kernel
References
Additional Info
Technical Analysis
Report as Emergent Threat Response
Report as Exploited in the Wild
CVE ID
AttackerKB requires a CVE ID in order to pull vulnerability data and references from the CVE list and the National Vulnerability Database. If available, please supply below:
