CVE-2015-7549
Published: 16 December 2015
The MSI-X MMIO support in hw/pci/msix.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (NULL pointer dereference and QEMU process crash) by leveraging failure to define the .write method.
Priority
Status
Package | Release | Status |
---|---|---|
qemu Launchpad, Ubuntu, Debian |
precise |
Does not exist
|
trusty |
Released
(2.0.0+dfsg-2ubuntu1.22)
|
|
upstream |
Needs triage
|
|
vivid |
Ignored
(end of life)
|
|
wily |
Released
(1:2.3+dfsg-5ubuntu9.2)
|
|
Patches: upstream: http://git.qemu.org/?p=qemu.git;a=commit;h=43b11a91dd861a946b231b89b754285 |
||
qemu-kvm Launchpad, Ubuntu, Debian |
precise |
Not vulnerable
(code not present)
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
vivid |
Does not exist
|
|
wily |
Does not exist
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 6.0 |
Attack vector | Local |
Attack complexity | Low |
Privileges required | High |
User interaction | None |
Scope | Changed |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H |