CVE-2017-1000252

Description

The KVM subsystem in the Linux kernel through 4.13.3 allows guest OS users to cause a denial of service (assertion failure, and hypervisor hang or crash) via an out-of bounds guest_irq value, related to arch/x86/kvm/vmx.c and virt/kvm/eventfd.c.

Category

5.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.08%
Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory redhat.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/101022 vdb entry
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=36ae3c0a36b7456432fedce38ae2f7bd3e01a563 issue tracking third party advisory patch
https://github.com/torvalds/linux/commit/3a8b0677fc6180a467e26cc32ce6b0c09a32f9bb issue tracking third party advisory patch
https://access.redhat.com/errata/RHSA-2018:1062 vendor advisory
http://www.debian.org/security/2017/dsa-3981 vendor advisory
https://marc.info/?l=kvm&m=150549146311117&w=2 mailing list third party advisory patch
https://access.redhat.com/errata/RHSA-2018:0676 vendor advisory
https://github.com/torvalds/linux/commit/36ae3c0a36b7456432fedce38ae2f7bd3e01a563 issue tracking third party advisory patch
https://marc.info/?l=kvm&m=150549145711115&w=2 mailing list third party advisory patch
https://access.redhat.com/errata/RHSA-2018:1130 vendor advisory
http://www.openwall.com/lists/oss-security/2017/09/15/4 mailing list third party advisory patch
https://bugzilla.redhat.com/show_bug.cgi?id=1490781 issue tracking third party advisory patch
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3a8b0677fc6180a467e26cc32ce6b0c09a32f9bb issue tracking third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2017-1000252?
CVE-2017-1000252 has been scored as a medium severity vulnerability.
How to fix CVE-2017-1000252?
To fix CVE-2017-1000252, 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-2017-1000252 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-1000252 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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