CVE-2020-35504
Published: 28 May 2021
A NULL pointer dereference flaw was found in the SCSI emulation support of QEMU in versions before 6.0.0. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.
Priority
Status
Package | Release | Status |
---|---|---|
qemu Launchpad, Ubuntu, Debian |
bionic |
Released
(1:2.11+dfsg-1ubuntu7.37)
|
focal |
Released
(1:4.2-3ubuntu6.17)
|
|
groovy |
Released
(1:5.0-5ubuntu9.9)
|
|
hirsute |
Released
(1:5.2+dfsg-9ubuntu3.1)
|
|
impish |
Released
(1:6.0+dfsg-1~ubuntu3)
|
|
jammy |
Released
(1:6.0+dfsg-1~ubuntu3)
|
|
kinetic |
Released
(1:6.0+dfsg-1~ubuntu3)
|
|
lunar |
Released
(1:6.0+dfsg-1~ubuntu3)
|
|
mantic |
Released
(1:6.0+dfsg-1~ubuntu3)
|
|
noble |
Released
(1:6.0+dfsg-1~ubuntu3)
|
|
trusty |
Needed
|
|
upstream |
Needs triage
|
|
xenial |
Needed
|
|
Patches: upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=0db895361b8a82e1114372ff9f48 upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=e392255766071c8cac480da3a9ae upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=e5455b8c1c6170c788f3c0fd577c upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=c5fef9112b15c4b5494791cdf8bb upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=7b320a8e67a534925048cbabfa51 upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=99545751734035b76bd372c4e721 upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=fa7505c154d4d00ad89a747be2ed upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=fbc6510e3379fa8f8370bf71198f upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=0ebb5fd80589835153a0c2baa1b8 upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=324c8809897c8c53ad05c3a7147d upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=607206948cacda4a80be5b976dba |
||
qemu-kvm Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
focal |
Does not exist
|
|
groovy |
Does not exist
|
|
hirsute |
Does not exist
|
|
impish |
Does not exist
|
|
jammy |
Does not exist
|
|
kinetic |
Does not exist
|
|
lunar |
Does not exist
|
|
mantic |
Does not exist
|
|
noble |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
xenial |
Does not exist
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 6.0 |
Attack vector | Local |
Attack complexity | Low |
Privileges required | High |
User interaction | None |
Scope | Changed |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H |