CVE-2021-4145
N/A
N/A
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| n/a | QEMU | qemu-kvm 6.2.0 | affected |
Weaknesses
- CWE-476: CWE-476
ADP Enrichment
CVE Program Container
Additional References
- https://bugzilla.redhat.com/show_bug.cgi?id=2034602
- https://gitlab.com/qemu-project/qemu/-/commit/66fed30c9cd11854fc878a4eceb507e915d7c9cd
- https://security.netapp.com/advisory/ntap-20220311-0004/
- https://security.gentoo.org/glsa/202208-27
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2034602
- https://gitlab.com/qemu-project/qemu/-/commit/66fed30c9cd11854fc878a4eceb507e915d7c9cd
- https://security.netapp.com/advisory/ntap-20220311-0004/
- https://security.gentoo.org/glsa/202208-27
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