CVE-2015-8817
Published: 29 December 2016
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.
Notes
| Author | Note |
|---|---|
| mdeslaur | 1.6.0 to 2.3.1 list of commits may be incomplete, see https://lists.gnu.org/archive/html/qemu-stable/2016-01/msg00065.html we will not be releasing an update for this this issue. |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
qemu Launchpad, Ubuntu, Debian |
precise |
Does not exist
|
| trusty |
Ignored
|
|
| upstream |
Needs triage
|
|
| wily |
Ignored
(end of life)
|
|
| xenial |
Not vulnerable
(1:2.5+dfsg-5ubuntu4)
|
|
| yakkety |
Not vulnerable
(1:2.5+dfsg-5ubuntu4)
|
|
| zesty |
Not vulnerable
(1:2.5+dfsg-5ubuntu4)
|
|
|
Patches: upstream: http://git.qemu.org/?p=qemu.git;a=commit;h=c3c1bb99d1c11978d9ce94d1bd upstream: http://git.qemu.org/?p=qemu.git;a=commit;h=e4a511f8cc6f4a46d409fb5c9f upstream: http://git.qemu.org/?p=qemu.git;a=commit;h=965eb2fcdfe919ecced6c34803 upstream: http://git.qemu.org/?p=qemu.git;a=commit;h=b242e0e0e2969c044a318e56f7 |
||
|
qemu-kvm Launchpad, Ubuntu, Debian |
precise |
Not vulnerable
(1.0+noroms-0ubuntu14.27)
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| wily |
Does not exist
|
|
| xenial |
Does not exist
|
|
| yakkety |
Does not exist
|
|
| zesty |
Does not exist
|
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |