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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.
| Reporter | Title | Published | Views | Family All 71 |
|---|---|---|---|---|
 | CVE-2020-35503 | 2 Jun 202113:22 | – | alpinelinux |
 | CVE-2020-35503 affecting package qemu-kvm 4.2.0-48 | 12 Jan 202509:15 | – | cbl_mariner |
 | CVE-2020-35503 | 19 Mar 202600:00 | – | circl |
 | QEMU 代码问题漏洞 | 2 Jun 202100:00 | – | cnnvd |
 | QEMU code issue vulnerability (CNVD-2021-41073) | 7 Jun 202100:00 | – | cnvd |
 | CVE-2020-35503 | 2 Jun 202113:22 | – | cve |
 | CVE-2020-35503 | 2 Jun 202113:22 | – | cvelist |
 | CVE-2020-35503 | 2 Jun 202113:22 | – | debiancve |
 | EulerOS Virtualization 3.0.2.0 : qemu-kvm (EulerOS-SA-2023-1688) | 7 May 202300:00 | – | nessus |
| openSUSE 15 Security Update : qemu (openSUSE-SU-2021:1202-1) | 27 Aug 202100:00 | – | nessus |
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02 Oct 2025 06:11Current
7High risk
Vulners AI Score7
CVSS 22.1
CVSS 3.16
EPSS0.00024