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Vulnerability of Linux kernel: denial of service via nitro_enclaves

Synthesis of the vulnerability 

An attacker can trigger a fatal error via nitro_enclaves of the Linux kernel, in order to trigger a denial of service.
Vulnerable products: Linux, RHEL, Ubuntu.
Severity of this weakness: 2/4.
Creation date: 01/06/2021.
Références of this bulletin: CERTFR-2021-AVI-424, CERTFR-2021-AVI-483, CVE-2021-3543, RHBUG-1953022, RHSA-2021:2168-01, RHSA-2021:2169-01, USN-4997-1, USN-5001-1, VIGILANCE-VUL-35574.

Description of the vulnerability 

An attacker can trigger a fatal error via nitro_enclaves of the Linux kernel, in...
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This cybersecurity threat impacts software or systems such as Linux, RHEL, Ubuntu.

Our Vigil@nce team determined that the severity of this computer threat note 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 security threat.

Solutions for this threat 

This vulnerability fix will be public soon.
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