Use After Free Affecting qemu package, versions <1:6.0+dfsg-3
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Test your applications- Snyk ID SNYK-DEBIANUNSTABLE-QEMU-1054857
- published 29 Dec 2020
- disclosed 28 May 2021
Introduced: 29 Dec 2020
CVE-2020-35506 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 use-after-free vulnerability was found in the am53c974 SCSI host bus adapter emulation of QEMU in versions before 6.0.0 during the handling of the 'Information Transfer' command (CMD_TI). This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service or potential code execution with the privileges of the QEMU process.
References
- https://security-tracker.debian.org/tracker/CVE-2020-35506
- https://bugzilla.redhat.com/show_bug.cgi?id=1909996
- 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