CWE
667
Advisory Published
CVE Published
Updated

CVE-2021-20315

First published: Tue Sep 21 2021(Updated: )

A locking protection bypass flaw was found in some versions of gnome-shell as shipped within CentOS Stream 8, when the "Application menu" or "Window list" GNOME extensions are enabled. This flaw allows a physical attacker who has access to a locked system to kill existing applications and start new ones as the locked user, even if the session is still locked.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
GNOME gnome-shell<3.32.2
CentOS Stream=8

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Frequently Asked Questions

  • What is the vulnerability ID of this flaw?

    The vulnerability ID of this flaw is CVE-2021-20315.

  • What is the affected software?

    The affected software is GNOME gnome-shell and CentOS Stream 8.

  • What is the severity of CVE-2021-20315?

    The severity of CVE-2021-20315 is medium.

  • How does this vulnerability bypass locking protection?

    This vulnerability allows a physical attacker who has access to a locked system to kill existing applications and start new ones.

  • Is there a fix for this vulnerability?

    Yes, please refer to the provided reference for information on the fix.

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