CVE-2017-9524
Published: 6 July 2017
The qemu-nbd server in QEMU (aka Quick Emulator), when built with the Network Block Device (NBD) Server support, allows remote attackers to cause a denial of service (segmentation fault and server crash) by leveraging failure to ensure that all initialization occurs before talking to a client in the nbd_negotiate function.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
qemu
Launchpad, Ubuntu, Debian |
trusty |
Not vulnerable
(code not present)
|
| upstream |
Needed
|
|
| xenial |
Not vulnerable
(code not present)
|
|
| yakkety |
Ignored
(end of life)
|
|
| zesty |
Released
(1:2.8+dfsg-3ubuntu2.4)
|
|
|
Patches:
upstream: https://git.qemu.org/gitweb.cgi?p=qemu.git;a=commit;h=df8ad9f128c15aa0a0ebc7b24e9a22c9775b67af upstream: https://git.qemu.org/gitweb.cgi?p=qemu.git;a=commit;h=0c9390d978cbf61e8f16c9f580fa96b305c43568 |
||
|
qemu-kvm
Launchpad, Ubuntu, Debian |
trusty |
Does not exist
|
| upstream |
Needed
|
|
| xenial |
Does not exist
|
|
| yakkety |
Does not exist
|
|
| zesty |
Does not exist
|
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |