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CVE-2020-35503

Description

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.

Priority: LOW
CVSS v3: 6
Component: qemu
Publish Date: Jun 2, 2021
Related ID: --
CVSS v2: MEDIUM
Modified Date: Jun 2, 2021

Find out more about CVE-2020-35503 from the MITRE-CVE dictionary and NIST NVD


Products Affected

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Product Name Status Defect Fixed Downloads
Linux
Wind River Linux LTS 17 Won't Fix -- -- --
Wind River Linux 8 Requires LTSS -- -- --
Wind River Linux 9 Requires LTSS -- -- --
Wind River Linux 7 Requires LTSS -- -- --
Wind River Linux LTS 21 Investigate LIN1021-262
-- --
Wind River Linux LTS 22 Investigate -- -- --
Wind River Linux LTS 18 Won't Fix -- -- --
Wind River Linux LTS 19 Investigate -- -- --
Wind River Linux CD release Investigate -- -- --
Wind River Linux 6 Requires LTSS -- -- --
Wind River Linux LTS 23 Investigate -- -- --
Wind River Linux LTS 24 Investigate -- -- --
VxWorks
VxWorks 7 Not Vulnerable -- -- --
VxWorks 6.9 Not Vulnerable -- -- --
Helix Virtualization Platform Cert Edition
Helix Virtualization Platform Cert Edition Not Vulnerable -- -- --
eLxr
eLxr 12 Vulnerable -- -- --

Related Products

Product Name Status Defect Fixed Downloads

Notes
Requires LTSS - customers must have active LTSS (Long Term Security Shield) Support to receive up-to-date information about vulnerabilities that may affect legacy software. Please contact your Wind River account team or see https://docs.windriver.com/bundle/Support_and_Maintenance_Supplemental_Terms_and_Conditions and https://support2.windriver.com/index.php?page=plc for more information.
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