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Vulnerability of QEMU: NULL pointer dereference via megasas_command_cancelled

Synthesis of the vulnerability 

An attacker can force a NULL pointer to be dereferenced via megasas_command_cancelled() of QEMU, in order to trigger a denial of service.
Vulnerable software: QEMU.
Severity of this announce: 2/4.
Creation date: 03/06/2021.
Références of this computer vulnerability: CVE-2020-35503, RHBUG-1910346, VIGILANCE-VUL-35611.

Description of the vulnerability 

An attacker can force a NULL pointer to be dereferenced via megasas_command_canc...
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This computer weakness announce impacts software or systems such as QEMU.

Our Vigil@nce team determined that the severity of this security alert is medium.

The trust level is of type confirmed by the editor, with an origin of user shell.

An attacker with a expert ability can exploit this vulnerability.

Solutions for this threat 

This vulnerability patch will be public soon.
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