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CVE-2021-4083
CVE ID
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CVE-2021-4083
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
A read-after-free memory flaw was found in the Linux kernel’s garbage collection for Unix domain socket file handlers in the way users call close() and fget() simultaneously and can potentially trigger a race condition. This flaw allows a local user to crash the system or escalate their privileges on the system. This flaw affects Linux kernel versions prior to 5.16-rc4.
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CVSS V3 Severity and Metrics
General Information
Vendors
- debian,
- linux,
- netapp,
- oracle
Products
- communications cloud native core binding support function 22.1.3,
- communications cloud native core network exposure function 22.1.1,
- communications cloud native core policy 22.2.0,
- debian linux 10.0,
- debian linux 9.0,
- h300e firmware -,
- h300s firmware -,
- h410c firmware -,
- h410s firmware -,
- h500e firmware -,
- h500s firmware -,
- h700e firmware -,
- h700s firmware -,
- hci management node -,
- linux kernel,
- linux kernel 5.16,
- solidfire -
References
Advisory
Additional Info
Technical Analysis
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:
