CVE-2018-16847
Published: 2 November 2018
An OOB heap buffer r/w access issue was found in the NVM Express Controller emulation in QEMU. It could occur in nvme_cmb_ops routines in nvme device. A guest user/process could use this flaw to crash the QEMU process resulting in DoS or potentially run arbitrary code with privileges of the QEMU process.
Notes
Author | Note |
---|---|
mdeslaur | looks like it was introduced by: https://git.qemu.org/?p=qemu.git;a=commit;h=a896f7f26a1a0417322463439825073c1a917e41 |
Priority
Status
Package | Release | Status |
---|---|---|
qemu-kvm Launchpad, Ubuntu, Debian |
upstream |
Not vulnerable
(debian: support for Controller Memory Buffers added later)
|
trusty |
Does not exist
|
|
xenial |
Does not exist
|
|
bionic |
Does not exist
|
|
cosmic |
Does not exist
|
|
qemu Launchpad, Ubuntu, Debian |
upstream |
Needs triage
|
trusty |
Not vulnerable
(code not present)
|
|
xenial |
Not vulnerable
(code not present)
|
|
bionic |
Released
(1:2.11+dfsg-1ubuntu7.8)
|
|
cosmic |
Released
(1:2.12+dfsg-3ubuntu8.1)
|
|
Patches: other: https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg00200.html upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=5e3c0220d7e4f0361c4d36c697a8842f2b583402 |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.8 |
Attack vector | Local |
Attack complexity | Low |
Privileges required | Low |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |