Use After Free in Linux Kernel

CVE-2017-2584

arch/x86/kvm/emulate.c in the Linux kernel through 4.9.3 allows local users to obtain sensitive information from kernel memory or cause a denial of service (use-after-free) via a crafted application that leverages instruction emulation for fxrstor, fxsave, sgdt, and sidt.

Vulnerability class: Information Disclosure

EPSS: 0.004 (34.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-2584?
CVE-2017-2584 is a high-severity vulnerability in Linux Kernel, classified under Information Disclosure. CVSS score: 7.1/10. Published 2017-01-15.
How severe is CVE-2017-2584?
High severity. CVSS v3 base score is 7.1 out of 10.
Is CVE-2017-2584 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.