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CVE-2020-27170
CVE ID
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CVE-2020-27170
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 issue was discovered in the Linux kernel before 5.11.8. kernel/bpf/verifier.c performs undesirable out-of-bounds speculation on pointer arithmetic, leading to side-channel attacks that defeat Spectre mitigations and obtain sensitive information from kernel memory, aka CID-f232326f6966. This affects pointer types that do not define a ptr_limit.
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CVSS V3 Severity and Metrics
General Information
Vendors
- canonical,
- debian,
- fedoraproject,
- linux
Products
- debian linux 9.0,
- fedora 32,
- fedora 33,
- fedora 34,
- linux kernel,
- ubuntu linux 14.04,
- ubuntu linux 16.04,
- ubuntu linux 18.04,
- ubuntu linux 20.04
References
Advisory
Miscellaneous
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:
