| Description: |
This update for xen fixes the following issues:
- CVE-2020-25604: Fixed a race condition when migrating timers between x86 HVM vCPU-s (bsc#1176343,XSA-336) - CVE-2020-25595: Fixed an issue where PCI passthrough code was reading back hardware registers (bsc#1176344,XSA-337) - CVE-2020-25597: Fixed an issue where a valid event channels may not turn invalid (bsc#1176346,XSA-338) - CVE-2020-25596: Fixed a potential denial of service in x86 pv guest kernel via SYSENTER (bsc#1176345,XSA-339) - CVE-2020-25603: Fixed an issue due to missing barriers when accessing/allocating an event channel (bsc#1176347,XSA-340) - CVE-2020-25600: Fixed out of bounds event channels available to 32-bit x86 domains (bsc#1176348,XSA-342) - CVE-2020-25599: Fixed race conditions with evtchn_reset() (bsc#1176349,XSA-343) - CVE-2020-25601: Fixed an issue due to lack of preemption in evtchn_reset() / evtchn_destroy() (bsc#1176350,XSA-344) - CVE-2020-14364: Fixed an out-of-bounds read/write access while processing usb packets (bsc#1175534). - CVE-2020-0543: Fixed a leak of Special Register Buffer Data Sampling (SRBDS) aka 'CrossTalk' (bsc#1172205,XSA-320) - CVE-2020-15565: Fixed an issue cache write (bsc#1173378,XSA-321). - CVE-2020-15567: Fixed an issue with non-atomic modification of live EPT PTE (bsc#1173380,XSA-328)
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