CVE-2020-13754
Published: 2 June 2020
hw/pci/msix.c in QEMU 4.2.0 allows guest OS users to trigger an out-of-bounds access via a crafted address in an msi-x mmio operation.
Notes
| Author | Note |
|---|---|
| mdeslaur | the fix for this issue introduced a regression, see: https://bugs.launchpad.net/qemu/+bug/1886318 |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
qemu Launchpad, Ubuntu, Debian |
xenial |
Released
(1:2.5+dfsg-5ubuntu10.45)
|
| bionic |
Released
(1:2.11+dfsg-1ubuntu7.31)
|
|
| eoan |
Ignored
(end of life)
|
|
| focal |
Released
(1:4.2-3ubuntu6.4)
|
|
| groovy |
Not vulnerable
(1:5.0-5ubuntu4)
|
|
| hirsute |
Not vulnerable
(1:5.0-5ubuntu4)
|
|
| trusty |
Released
(2.0.0+dfsg-2ubuntu1.47+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
| upstream |
Needs triage
|
|
|
Patches: upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=5d971f9e672507210e77d020d89e0e89165c8fc9 upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=dba04c3488c4699f5afe96f66e448b1d447cf3fb (regression fix) |
||
|
qemu-kvm Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| eoan |
Does not exist
|
|
| focal |
Does not exist
|
|
| groovy |
Does not exist
|
|
| hirsute |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Does not exist
|
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 6.7 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | High |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |