CVE-2015-2877 describes a write-timing side channel vulnerability in the Kernel Samepage Merging (KSM) feature of the Linux kernel, affecting versions 2.6.32 through 4.x, including Red Hat Enterprise Linux. This low-severity vulnerability allows a guest OS user to bypass Address Space Layout Randomization (ASLR) on other guest OS instances through a Cross-VM ASL INtrospection (CAIN) attack. The attack requires local access and has a low impact on confidentiality, with no integrity or availability impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 2.6.32, <= 4.20.15CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
4.0CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux:4.0:*:*:*:*:*:*:* | ||
5.0CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:* | ||
6.0CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* | ||
7.0CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
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The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.