NULL Pointer Dereference Affecting qemu package, versions <1:3.1+dfsg-8+deb10u9
Snyk CVSS
Attack Complexity
Low
Privileges Required
High
Scope
Changed
Availability
High
Threat Intelligence
EPSS
0.05% (14th
percentile)
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Test your applications- Snyk ID SNYK-DEBIAN10-QEMU-1054867
- published 29 Dec 2020
- disclosed 28 May 2021
Introduced: 29 Dec 2020
CVE-2020-35504 Open this link in a new tabHow to fix?
Upgrade Debian:10
qemu
to version 1:3.1+dfsg-8+deb10u9 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:10
relevant fixed versions and status.
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.
References
- https://security-tracker.debian.org/tracker/CVE-2020-35504
- https://bugzilla.redhat.com/show_bug.cgi?id=1909766
- 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