CVE-2020-16092
Published: 11 August 2020
In QEMU through 5.0.0, an assertion failure can occur in the network packet processing. This issue affects the e1000e and vmxnet3 network devices. A malicious guest user/process could use this flaw to abort the QEMU process on the host, resulting in a denial of service condition in net_tx_pkt_add_raw_fragment in hw/net/net_tx_pkt.c.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
qemu-kvm Launchpad, Ubuntu, Debian |
upstream |
Needs triage
|
| trusty |
Does not exist
|
|
| xenial |
Does not exist
|
|
| bionic |
Does not exist
|
|
| focal |
Does not exist
|
|
|
qemu Launchpad, Ubuntu, Debian |
upstream |
Needs triage
|
| bionic |
Released
(1:2.11+dfsg-1ubuntu7.31)
|
|
| focal |
Released
(1:4.2-3ubuntu6.4)
|
|
| trusty |
Not vulnerable
(code not present)
|
|
| xenial |
Not vulnerable
(code not present)
|
|
|
Patches: upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=035e69b063835a5fd23cacabd63690a3d84532a8 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 3.8 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Changed |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | Low |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L |