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CVE-2022-33744

Description

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. #### Notes Author| Note ---|--- [sbeattie](<https://launchpad.net/~sbeattie>) | according to the Xen advisory, introduced in 3.13.


Affected Package


OS OS Version Package Name Package Version
ubuntu 22.04 linux 5.15.0-48.54
ubuntu 14.04 linux any
ubuntu upstream linux 5.19~rc6
ubuntu 16.04 linux any
ubuntu 20.04 linux-aws any
ubuntu 22.04 linux-aws 5.15.0-1020.24
ubuntu 14.04 linux-aws any
ubuntu upstream linux-aws 5.19~rc6
ubuntu 16.04 linux-aws any
ubuntu upstream linux-aws-5.0 5.19~rc6
ubuntu 20.04 linux-aws-5.11 any
ubuntu upstream linux-aws-5.11 5.19~rc6
ubuntu 20.04 linux-aws-5.13 any
ubuntu upstream linux-aws-5.13 5.19~rc6
ubuntu 20.04 linux-aws-5.15 5.15.0-1020.24~20.04.1
ubuntu upstream linux-aws-5.15 5.19~rc6
ubuntu upstream linux-aws-5.3 5.19~rc6
ubuntu upstream linux-aws-5.4 5.19~rc6
ubuntu upstream linux-aws-5.8 5.19~rc6
ubuntu upstream linux-aws-hwe 5.19~rc6
ubuntu 16.04 linux-aws-hwe any
ubuntu 20.04 linux-azure any
ubuntu 22.04 linux-azure 5.15.0-1020.25
ubuntu 14.04 linux-azure any
ubuntu upstream linux-azure 5.19~rc6
ubuntu 16.04 linux-azure any
ubuntu upstream linux-azure-4.15 5.19~rc6
ubuntu 20.04 linux-azure-5.11 any
ubuntu upstream linux-azure-5.11 5.19~rc6
ubuntu 20.04 linux-azure-5.13 any
ubuntu upstream linux-azure-5.13 5.19~rc6
ubuntu 20.04 linux-azure-5.15 5.15.0-1020.25~20.04.1
ubuntu upstream linux-azure-5.15 5.19~rc6
ubuntu upstream linux-azure-5.3 5.19~rc6
ubuntu upstream linux-azure-5.4 5.19~rc6
ubuntu upstream linux-azure-5.8 5.19~rc6
ubuntu upstream linux-azure-edge 5.19~rc6
ubuntu 20.04 linux-azure-fde any
ubuntu upstream linux-azure-fde 5.19~rc6
ubuntu 20.04 linux-bluefield any
ubuntu upstream linux-bluefield 5.19~rc6
ubuntu upstream linux-dell300x 5.19~rc6
ubuntu upstream linux-fips 5.19~rc6
ubuntu 16.04 linux-fips any
ubuntu 20.04 linux-gcp any
ubuntu 22.04 linux-gcp 5.15.0-1018.24
ubuntu upstream linux-gcp 5.19~rc6
ubuntu 16.04 linux-gcp any
ubuntu upstream linux-gcp-4.15 5.19~rc6
ubuntu 20.04 linux-gcp-5.11 any
ubuntu upstream linux-gcp-5.11 5.19~rc6
ubuntu 20.04 linux-gcp-5.13 any
ubuntu upstream linux-gcp-5.13 5.19~rc6
ubuntu upstream linux-gcp-5.15 5.19~rc6
ubuntu upstream linux-gcp-5.3 5.19~rc6
ubuntu upstream linux-gcp-5.4 5.19~rc6
ubuntu upstream linux-gcp-5.8 5.19~rc6
ubuntu 20.04 linux-gke any
ubuntu 22.04 linux-gke 5.15.0-1016.19
ubuntu upstream linux-gke 5.19~rc6
ubuntu upstream linux-gke-4.15 5.19~rc6
ubuntu upstream linux-gke-5.0 5.19~rc6
ubuntu upstream linux-gke-5.15 5.19~rc6
ubuntu upstream linux-gke-5.3 5.19~rc6
ubuntu upstream linux-gke-5.4 5.19~rc6
ubuntu 20.04 linux-gkeop any
ubuntu 22.04 linux-gkeop 5.15.0-1003.5
ubuntu upstream linux-gkeop 5.19~rc6
ubuntu upstream linux-gkeop-5.4 5.19~rc6
ubuntu upstream linux-hwe 5.19~rc6
ubuntu 16.04 linux-hwe any
ubuntu upstream linux-hwe-5.11 5.19~rc6
ubuntu 20.04 linux-hwe-5.13 any
ubuntu upstream linux-hwe-5.13 5.19~rc6
ubuntu 20.04 linux-hwe-5.15 5.15.0-48.54~20.04.1
ubuntu upstream linux-hwe-5.15 5.19~rc6
ubuntu upstream linux-hwe-5.4 5.19~rc6
ubuntu upstream linux-hwe-5.8 5.19~rc6
ubuntu upstream linux-hwe-edge 5.19~rc6
ubuntu 20.04 linux-ibm any
ubuntu 22.04 linux-ibm any
ubuntu upstream linux-ibm 5.19~rc6
ubuntu upstream linux-ibm-5.4 5.19~rc6
ubuntu 20.04 linux-intel-5.13 any
ubuntu upstream linux-intel-5.13 5.19~rc6
ubuntu upstream linux-intel-iotg 5.19~rc6
ubuntu upstream linux-intel-iotg-5.15 5.19~rc6
ubuntu 20.04 linux-kvm any
ubuntu 22.04 linux-kvm 5.15.0-1018.22
ubuntu upstream linux-kvm 5.19~rc6
ubuntu 16.04 linux-kvm any
ubuntu 22.04 linux-lowlatency 5.15.0-48.54
ubuntu upstream linux-lowlatency 5.19~rc6
ubuntu 20.04 linux-lowlatency-hwe-5.15 5.15.0-48.54~20.04.1
ubuntu upstream linux-lowlatency-hwe-5.15 5.19~rc6
ubuntu 14.04 linux-lts-xenial any
ubuntu upstream linux-lts-xenial 5.19~rc6
ubuntu upstream linux-oem 5.19~rc6
ubuntu 20.04 linux-oem-5.10 any
ubuntu upstream linux-oem-5.10 5.19~rc6
ubuntu 20.04 linux-oem-5.13 any
ubuntu upstream linux-oem-5.13 5.19~rc6
ubuntu 20.04 linux-oem-5.14 any
ubuntu upstream linux-oem-5.14 5.19~rc6
ubuntu 22.04 linux-oem-5.17 any
ubuntu upstream linux-oem-5.17 5.19~rc6
ubuntu 20.04 linux-oem-5.6 any
ubuntu upstream linux-oem-5.6 5.19~rc6
ubuntu upstream linux-oem-osp1 5.19~rc6
ubuntu 20.04 linux-oracle any
ubuntu upstream linux-oracle 5.19~rc6
ubuntu 16.04 linux-oracle any
ubuntu upstream linux-oracle-5.0 5.19~rc6
ubuntu 20.04 linux-oracle-5.11 any
ubuntu upstream linux-oracle-5.11 5.19~rc6
ubuntu 20.04 linux-oracle-5.13 any
ubuntu upstream linux-oracle-5.13 5.19~rc6
ubuntu upstream linux-oracle-5.3 5.19~rc6
ubuntu upstream linux-oracle-5.4 5.19~rc6
ubuntu upstream linux-oracle-5.8 5.19~rc6
ubuntu 20.04 linux-raspi any
ubuntu 22.04 linux-raspi 5.15.0-1015.17
ubuntu upstream linux-raspi 5.19~rc6
ubuntu upstream linux-raspi-5.4 5.19~rc6
ubuntu upstream linux-raspi2 5.19~rc6
ubuntu upstream linux-raspi2-5.3 5.19~rc6
ubuntu upstream linux-riscv 5.19~rc6
ubuntu 20.04 linux-riscv-5.11 any
ubuntu upstream linux-riscv-5.11 5.19~rc6
ubuntu upstream linux-riscv-5.8 5.19~rc6
ubuntu upstream linux-snapdragon 5.19~rc6
ubuntu 20.04 xen any
ubuntu 22.04 xen any
ubuntu upstream xen any
ubuntu 16.04 xen any

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