How severe is CVE-2015-2877?

This vulnerability has a severity rating of LOW with a CVSS score of 3.3 out of 10.

What type of vulnerability is CVE-2015-2877?

This is classified as CWE-200, which is a common weakness in software security.

CVE-2015-2877 - LOW Severity | CVSS 3.3

Vulnerability Description

Kernel Samepage Merging (KSM) in the Linux kernel 2.6.32 through 4.x does not prevent use of a write-timing side channel, which allows guest OS users to defeat the ASLR protection mechanism on other guest OS instances via a Cross-VM ASL INtrospection (CAIN) attack. NOTE: the vendor states "Basically if you care about this attack vector, disable deduplication." Share-until-written approaches for memory conservation among mutually untrusting tenants are inherently detectable for information disclosure, and can be classified as potentially misunderstood behaviors rather than vulnerabilities

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