CVE-2020-35517
Published: 28 January 2021
A flaw was found in qemu. A host privilege escalation issue was found in the virtio-fs shared file system daemon where a privileged guest user is able to create a device special file in the shared directory and use it to r/w access host devices.
Priority
Status
Package | Release | Status |
---|---|---|
qemu-kvm Launchpad, Ubuntu, Debian |
jammy |
Does not exist
|
xenial |
Does not exist
|
|
impish |
Does not exist
|
|
bionic |
Does not exist
|
|
focal |
Does not exist
|
|
groovy |
Does not exist
|
|
hirsute |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
qemu Launchpad, Ubuntu, Debian |
impish |
Released
(1:5.2+dfsg-6ubuntu2)
|
groovy |
Released
(1:5.0-5ubuntu9.9)
|
|
upstream |
Needs triage
|
|
bionic |
Not vulnerable
(code not present)
|
|
focal |
Not vulnerable
(code not present)
|
|
hirsute |
Released
(1:5.2+dfsg-6ubuntu2)
|
|
trusty |
Not vulnerable
(code not present)
|
|
xenial |
Not vulnerable
(code not present)
|
|
jammy |
Released
(1:5.2+dfsg-6ubuntu2)
|
|
Patches: upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=8afaaee976965b7fb90ec225a51d60f35c5f173c upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=22d2ece71e533310da31f2857ebc4a00d91968b3 upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=a3fdbbc7f271bff7d53d0501b29d910ece0b3789 |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 8.2 |
Attack vector | Local |
Attack complexity | Low |
Privileges required | High |
User interaction | None |
Scope | Changed |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H |