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Vulnerability of RHEL Kernel: buffer overflow via NFS Client Direct IO Write

Synthesis of the vulnerability 

An attacker can trigger a buffer overflow via NFS Client Direct IO Write of RHEL Kernel, in order to trigger a denial of service, and possibly to run code.
Impacted products: RHEL.
Severity of this bulletin: 2/4.
Creation date: 30/09/2020.
Références of this threat: CERTFR-2020-AVI-612, CVE-2020-10742, RHBUG-1835127, RHSA-2020:4060-01, RHSA-2020:4062-01, VIGILANCE-VUL-33453.

Description of the vulnerability 

An attacker can trigger a buffer overflow via NFS Client Direct IO Write of RHEL...
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This cybersecurity alert impacts software or systems such as RHEL.

Our Vigil@nce team determined that the severity of this weakness 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 weakness.

Solutions for this threat 

Solutions, fixes, patches and workarounds for this vulnerability are not yet public.
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