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Arm guests can cause Dom0 DoS via PV devices When mapping pages of guests on Arm dom0 is using an rbtree to keep track of the foreign mappings. Updating of that rbtree is not always done completely with the related lock held resulting in a small race window which can be used by unprivileged guests via PV devices to cause inconsistencies of the rbtree. These inconsistencies can lead to Denial of Service (DoS) of dom0 e.g. by causing crashes or the inability to perform further mappings of other guests' memory pages.
| Reporter | Title | Published | Views | Family All 328 |
|---|---|---|---|---|
 | CVE-2022-33744 | 5 Jul 202213:15 | – | attackerkb |
 | Amazon Linux 2 : kernel (ALAS-2022-1825) | 21 Jul 202200:00 | – | nessus |
| Amazon Linux 2 : kernel (ALASKERNEL-5.10-2022-018) | 22 Jul 202200:00 | – | nessus |
| Amazon Linux 2 : kernel (ALASKERNEL-5.4-2022-033) | 22 Jul 202200:00 | – | nessus |
| Amazon Linux AMI : kernel (ALAS-2022-1624) | 5 Aug 202200:00 | – | nessus |
| Alibaba Cloud Linux 3 : 0158: cloud-kernel bugfix, enhancement and (ALINUX3-SA-2022:0158) | 14 May 202500:00 | – | nessus |
| Debian dla-3131 : hyperv-daemons - security update | 2 Oct 202200:00 | – | nessus |
| Debian DSA-5191-1 : linux - security update | 27 Jul 202200:00 | – | nessus |
| EulerOS 2.0 SP10 : kernel (EulerOS-SA-2022-2415) | 8 Oct 202200:00 | – | nessus |
| EulerOS 2.0 SP10 : kernel (EulerOS-SA-2022-2428) | 8 Oct 202200:00 | – | nessus |
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19 Jul 2022 07:00Current
7.1High risk
Vulners AI Score7.1
CVSS 21.9
CVSS 3.14.7
EPSS0.00076