CVE-2017-11334

Description

The address_space_write_continue function in exec.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (out-of-bounds access and guest instance crash) by leveraging use of qemu_map_ram_ptr to access guest ram block area.

Category

4.4
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.04%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory gnu.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/errata/RHSA-2017:3473 third party advisory vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1471638 patch third party advisory issue tracking
https://access.redhat.com/errata/RHSA-2017:3470 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2017:3472 third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2017/07/17/4 patch mailing list third party advisory
https://lists.gnu.org/archive/html/qemu-devel/2017-07/msg03775.html patch vendor advisory mailing list
https://access.redhat.com/errata/RHSA-2017:3474 third party advisory vendor advisory
https://usn.ubuntu.com/3575-1/ third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2017:3471 third party advisory vendor advisory
http://www.securityfocus.com/bid/99895 third party advisory vdb entry
https://access.redhat.com/errata/RHSA-2017:3466 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2017:3369 third party advisory vendor advisory
http://www.debian.org/security/2017/dsa-3925 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-11334?
CVE-2017-11334 has been scored as a medium severity vulnerability.
How to fix CVE-2017-11334?
To fix CVE-2017-11334, 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-2017-11334 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-11334 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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