Attacker Value
Unknown
0
CVE-2020-27835
0
CVE ID
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CVE-2020-27835
(Last updated November 28, 2024) ▾
MITRE ATT&CK
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Collection
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Command and Control
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Credential Access
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Defense Evasion
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Execution
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Initial Access
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Persistence
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Privilege Escalation
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Description
A use after free in the Linux kernel infiniband hfi1 driver in versions prior to 5.10-rc6 was found in the way user calls Ioctl after open dev file and fork. A local user could use this flaw to crash the system.
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CVSS V3 Severity and Metrics
Data provided by the National Vulnerability Database (NVD)
Base Score:
4.4 Medium
Impact Score:
3.6
Exploitability Score:
0.8
Attack Vector (AV):
Local
Attack Complexity (AC):
Low
Privileges Required (PR):
High
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
High
General Information
Offensive Application
Unknown
Utility Class
Unknown
Ports
Unknown
OS
Unknown
Vulnerable Versions
kernel kernel versions prior to 5.10-rc6
Prerequisites
Unknown
Discovered By
Unknown
PoC Author
Unknown
Metasploit Module
Unknown
Reporter
Unknown
Vendors
- linux
Products
- infiniband hfi1 driver,
- infiniband hfi1 driver 5.10
References
Miscellaneous
Additional Info
Authenticated
Unknown
Exploitable
Unknown
Reliability
Unknown
Stability
Unknown
Available Mitigations
Unknown
Shelf Life
Unknown
Userbase/Installbase
Unknown
Patch Effectiveness
Unknown
Rapid7
Technical Analysis
Report as Emergent Threat Response
Report as Exploited in the Wild
CVE ID
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