CVE-2020-35503

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Summary

CVECVE-2020-35503
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-06-02 14:15:00 UTC
Updated2022-05-13 17:28:00 UTC
DescriptionA 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.

Risk And Classification

Problem Types: CWE-476

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Fedoraproject Fedora 33 All All All
Application Qemu Qemu All All All All

References

ReferenceSourceLinkTags
June 2021 QEMU Vulnerabilities in NetApp Products | NetApp Product Security CONFIRM security.netapp.com
1910346 – (CVE-2020-35503) CVE-2020-35503 QEMU: NULL pointer dereference issue in megasas-gen2 host bus adapter MISC bugzilla.redhat.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 502356 Alpine Linux Security Update for qemu
  • 750995 SUSE Enterprise Linux Security Update for qemu (SUSE-SU-2021:2813-1)
  • 751013 OpenSUSE Security Update for qemu (openSUSE-SU-2021:2789-1)
  • 751053 OpenSUSE Security Update for qemu (openSUSE-SU-2021:1202-1)
  • 751068 OpenSUSE Security Update for qemu (openSUSE-SU-2021:2858-1)
  • 751322 SUSE Enterprise Linux Security Update for qemu (SUSE-SU-2021:3614-1)
  • 751323 SUSE Enterprise Linux Security Update for qemu (SUSE-SU-2021:3613-1)
  • 751330 OpenSUSE Security Update for qemu (openSUSE-SU-2021:3614-1)
  • 751338 SUSE Enterprise Linux Security Update for qemu (SUSE-SU-2021:3635-1)
  • 900063 CBL-Mariner Linux Security Update for qemu-kvm 4.2.0
  • 903350 Common Base Linux Mariner (CBL-Mariner) Security Update for qemu-kvm (4341)
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