Published: 02/06/2021 Updated: 13/05/2022

CVSS v2 Base Score: 2.1 | Impact Score: 2.9 | Exploitability Score: 3.9

CVSS v3 Base Score: 6 | Impact Score: 4 | Exploitability Score: 1.5

VMScore: 187

Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P

A NULL pointer dereference flaw was found in the megasas-gen2 SCSI host bus adapter emulation of QEMU in versions before and including 6.0. This issue occurs in the megasas_command_cancelled() callback function while dropping a SCSI request. 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.

Vulnerable Product	Search on Vulmon	Subscribe to Product
qemu qemu
fedoraproject fedora 33

Debian Bug report logs - #979678 CVE-2020-35503 Package: qemu; Maintainer for qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Source for qemu is src:qemu (PTS, buildd, popcon) Reported by: Moritz Muehlenhoff <jmm@debianorg> Date: Sat, 9 Jan 2021 23:00:01 UTC Severity: normal Tags: security, upst ...

A NULL pointer dereference issue was found in the megasas-gen2 SCSI host bus adapter emulation of QEMU It could occur in the megasas_command_cancelled() callback function in hw/scsi/megasasc while dropping a SCSI request A privileged guest user may exploit this issue to crash the QEMU process on the host, resulting in a denial of service conditi ...

CWE-476 https://bugzilla.redhat.com/show_bug.cgi?id=1910346 https://security.netapp.com/advisory/ntap-20210720-0008/https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=979678 https://nvd.nist.gov https://security.archlinux.org/CVE-2020-35503

CVE-2020-35503

Vulnerability Summary

Vulnerability Trend

Vendor Advisories

References

Vulmon Search

About

Products

Connect