CVE-2017-2584

Description

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.

References

Link	Tags
http://www.securityfocus.com/bid/95430	vdb entry
http://www.securitytracker.com/id/1037603	vdb entry
https://usn.ubuntu.com/3754-1/	vendor advisory
https://github.com/torvalds/linux/commit/129a72a0d3c8e139a04512325384fe5ac119e74d
http://www.debian.org/security/2017/dsa-3791	vendor advisory
http://www.openwall.com/lists/oss-security/2017/01/13/7	mailing list
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=129a72a0d3c8e139a04512325384fe5ac119e74d
https://bugzilla.redhat.com/show_bug.cgi?id=1413001

Frequently Asked Questions

What is the severity of CVE-2017-2584?: CVE-2017-2584 has been scored as a high severity vulnerability.
How to fix CVE-2017-2584?: To fix CVE-2017-2584, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-2584 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2017-2584 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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Description

Category

CWE-200 – Exposure of Sensitive Information to an Unauthorized Actor

References

Frequently Asked Questions