CVE-2015-8817
2.1 Low
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:N/I:N/A:P
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
6.8 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
26.9%
QEMU (aka Quick Emulator) built to use ‘address_space_translate’ to map an address to a MemoryRegionSection is vulnerable to an OOB r/w access issue. It could occur while doing pci_dma_read/write calls. Affects QEMU versions >= 1.6.0 and <= 2.3.1. A privileged user inside guest could use this flaw to crash the guest instance resulting in DoS.
Affected configurations
References
git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=23820dbfc79d1c9dce090b4c555994f2bb6a69b3
git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=c3c1bb99d1c11978d9ce94d1bdcf0705378c1459
rhn.redhat.com/errata/RHSA-2016-2670.html
rhn.redhat.com/errata/RHSA-2016-2671.html
rhn.redhat.com/errata/RHSA-2016-2704.html
rhn.redhat.com/errata/RHSA-2016-2705.html
rhn.redhat.com/errata/RHSA-2016-2706.html
www.openwall.com/lists/oss-security/2016/03/01/1
www.openwall.com/lists/oss-security/2016/03/01/10
bugzilla.redhat.com/show_bug.cgi?id=1300771
lists.gnu.org/archive/html/qemu-stable/2016-01/msg00060.html
Related
2.1 Low
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:N/I:N/A:P
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
6.8 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
26.9%