CVE-2021-3947

Related Vulnerabilities: CVE-2021-3947  

A stack-buffer-overflow was found in QEMU in the NVME component. The flaw lies in nvme_changed_nslist() where a malicious guest controlling certain input can read out of bounds memory. A malicious user could use this flaw leading to disclosure of sensitive information.

Description

A stack-buffer-overflow was found in QEMU in the NVME component. The flaw lies in nvme_changed_nslist() where a malicious guest controlling certain input can read out of bounds memory. A malicious user could use this flaw leading to disclosure of sensitive information.

Statement

The qemu-kvm package as shipped with RHEL is not affected by this flaw as it does not include support for NVME emulation

The qemu-kvm package as shipped with RHEL is not affected by this flaw as it does not include support for NVME emulation

Additional Information

  • Bugzilla 2021869: CVE-2021-3947 QEMU: NVME: Arbitrary Memory Read
  • CWE-125: Out-of-bounds Read
  • FAQ: Frequently asked questions about CVE-2021-3947