CVE-2021-4145
Assigner: redhat
Published: 2022-01-25T19:11:14
State: PUBLISHED
affected: product: QEMU
vendor: n/a
versions: status: affected
version: qemu-kvm 6.2.0
descriptions: value: A NULL pointer dereference issue was found in the block mirror layer of QEMU in versions prior to 6.2.0. The `self` pointer is dereferenced in mirror_wait_on_conflicts() without ensuring that it's not NULL. A malicious unprivileged user within the guest could use this flaw to crash the QEMU process on the host when writing data reaches the threshold of mirroring node.
problemTypes: descriptions: cweId: CWE-476
description: CWE-476
type: CWE