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

CVSS 3 base score: 6.0

Status

Package	Release	Status
qemu Launchpad, Ubuntu, Debian	Upstream	Needs triage

	Ubuntu 21.04 (Hirsute Hippo)	Released (1:5.2+dfsg-9ubuntu3.1)
	Ubuntu 20.04 LTS (Focal Fossa)	Released (1:4.2-3ubuntu6.17)
	Ubuntu 18.04 LTS (Bionic Beaver)	Released (1:2.11+dfsg-1ubuntu7.37)
	Ubuntu 16.04 ESM (Xenial Xerus)	Needed
	Ubuntu 14.04 ESM (Trusty Tahr)	Needed
	Patches: Upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=0db895361b8a82e1114372ff9f48 (main) 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	Upstream	Needs triage

	Ubuntu 21.04 (Hirsute Hippo)	Does not exist
	Ubuntu 20.04 LTS (Focal Fossa)	Does not exist
	Ubuntu 18.04 LTS (Bionic Beaver)	Does not exist
	Ubuntu 16.04 ESM (Xenial Xerus)	Does not exist
	Ubuntu 14.04 ESM (Trusty Tahr)	Does not exist

References

Bugs

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