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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.
| Reporter | Title | Published | Views | Family All 75 |
|---|---|---|---|---|
 | CVE-2021-4145 | 25 Jan 202220:15 | – | attackerkb |
 | Alibaba Cloud Linux 3 : 0168: virt:rhel and virt-devel:rhel (ALINUX3-SA-2022:0168) | 14 May 202500:00 | – | nessus |
| AlmaLinux 8 : virt:rhel and virt-devel:rhel (ALSA-2022:1759) | 12 May 202200:00 | – | nessus |
| CentOS 8 : virt:rhel and virt-devel:rhel (CESA-2022:1759) | 10 May 202200:00 | – | nessus |
| EulerOS Virtualization 2.9.1 : qemu (EulerOS-SA-2022-1598) | 5 May 202200:00 | – | nessus |
| EulerOS Virtualization 2.9.0 : qemu (EulerOS-SA-2022-1621) | 5 May 202200:00 | – | nessus |
| EulerOS Virtualization 2.10.0 : qemu (EulerOS-SA-2022-2043) | 14 Jul 202200:00 | – | nessus |
| EulerOS Virtualization 2.10.1 : qemu (EulerOS-SA-2022-2071) | 14 Jul 202200:00 | – | nessus |
| GLSA-202208-27 : QEMU: Multiple Vulnerabilities | 15 Aug 202200:00 | – | nessus |
| MiracleLinux 8 : virt:rhel (AXSA:2022-3568:01) | 20 Jan 202600:00 | – | nessus |
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10 Mar 2023 08:00Current
6.6Medium risk
Vulners AI Score6.6
CVSS 24.9
CVSS 3.16.5
EPSS0.0039