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GoogleOSV:CVE-2021-4145HistoryJan 25, 2022 - 8:15 p.m.
CVE-2021-4145
2022-01-2520:15:08
Google
osv.dev
8
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.
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