NULL Pointer Dereference Affecting qemu package, versions <1:6.0+dfsg-3
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Test your applications- Snyk ID SNYK-DEBIANUNSTABLE-QEMU-1054871
- published 29 Dec 2020
- disclosed 28 May 2021
Introduced: 29 Dec 2020
CVE-2020-35505 Open this link in a new tabHow to fix?
Upgrade Debian:unstable
qemu
to version 1:6.0+dfsg-3 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream qemu
package and not the qemu
package as distributed by Debian
.
See How to fix?
for Debian:unstable
relevant fixed versions and status.
A NULL pointer dereference flaw was found in the am53c974 SCSI host bus adapter emulation of QEMU in versions before 6.0.0. This issue occurs while handling the 'Information Transfer' command. 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.
References
- https://security-tracker.debian.org/tracker/CVE-2020-35505
- https://bugzilla.redhat.com/show_bug.cgi?id=1909769
- https://www.openwall.com/lists/oss-security/2021/04/16/3
- http://www.openwall.com/lists/oss-security/2021/04/16/3
- https://security.netapp.com/advisory/ntap-20210713-0006/
- https://security.gentoo.org/glsa/202208-27
- https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html