CVE-2016-2197
Published: 29 January 2016
QEMU (aka Quick Emulator) built with an IDE AHCI emulation support is vulnerable to a null pointer dereference flaw. It occurs while unmapping the Frame Information Structure (FIS) and Command List Block (CLB) entries. A privileged user inside guest could use this flaw to crash the QEMU process instance resulting in DoS.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
qemu Launchpad, Ubuntu, Debian |
precise |
Does not exist
|
| trusty |
Not vulnerable
(code not present)
|
|
| upstream |
Needed
|
|
| vivid |
Not vulnerable
(code not present)
|
|
| wily |
Released
(1:2.3+dfsg-5ubuntu9.2)
|
|
|
Patches: other: https://lists.gnu.org/archive/html/qemu-devel/2016-01/msg05740.html |
||
|
qemu-kvm Launchpad, Ubuntu, Debian |
precise |
Not vulnerable
|
| trusty |
Does not exist
|
|
| upstream |
Not vulnerable
|
|
| vivid |
Does not exist
|
|
| wily |
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:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |