CVE-2019-18389
Published: 23 December 2019
A heap-based buffer overflow in the vrend_renderer_transfer_write_iov function in vrend_renderer.c in virglrenderer through 0.8.0 allows guest OS users to cause a denial of service, or QEMU guest-to-host escape and code execution, via VIRGL_CCMD_RESOURCE_INLINE_WRITE commands.
Notes
| Author | Note |
|---|---|
| mdeslaur | Nothing in bionic actually uses this package, so we will not be releasing a fix for it. Marking as ignored. |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
virglrenderer Launchpad, Ubuntu, Debian |
bionic |
Ignored
|
| disco |
Ignored
(end of life)
|
|
| eoan |
Ignored
(end of life)
|
|
| focal |
Not vulnerable
(0.8.1-6)
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(0.8.1-1)
|
|
| xenial |
Does not exist
|
|
|
Patches: upstream: https://gitlab.freedesktop.org/virgl/virglrenderer/commit/cbc8d8b75be360236cada63784046688aeb6d921 |
||
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 |