CVE-2017-11334

low-risk
Published 2017-08-02

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.

Do I need to act?

-
0.03% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.4/10 Medium
LOCAL / LOW complexity

Affected Products (2)

Affected Vendors

Qemu Debian

References (26)

Third Party Advisory http://www.debian.org/security/2017/dsa-3925
Mailing List http://www.openwall.com/lists/oss-security/2017/07/17/4
Third Party Advisory http://www.securityfocus.com/bid/99895
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:3369
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:3466
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:3470
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:3471
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:3472
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:3473
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:3474
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1471638
Mailing List https://lists.gnu.org/archive/html/qemu-devel/2017-07/msg03775.html
Third Party Advisory https://usn.ubuntu.com/3575-1/
Third Party Advisory http://www.debian.org/security/2017/dsa-3925
Mailing List http://www.openwall.com/lists/oss-security/2017/07/17/4
Third Party Advisory http://www.securityfocus.com/bid/99895
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:3369
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:3466
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:3470
Third Party Advisory https://access.redhat.com/errata/RHSA-2017:3471
and 6 more references
22
/ 100
low-risk
Severity 15/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 7/34 · Low