UbuntuUpdates.org

Bugs fixes in "xen"

Origin Bug number Title Date fixed
Launchpad 1998026 Ubuntu 22.04 doesn't boot with xen (DomU pv/pvh/pygrub) 2022-12-13
Launchpad 1998026 Ubuntu 22.04 doesn't boot with xen (DomU pv/pvh/pygrub) 2022-12-02
CVE CVE-2020-25601 An issue was discovered in Xen through 4.14.x. There is a lack of preemption in evtchn_reset() / evtchn_destroy(). In particular, the FIFO event chan 2022-09-19
CVE CVE-2020-25599 An issue was discovered in Xen through 4.14.x. There are evtchn_reset() race conditions. Uses of EVTCHNOP_reset (potentially by a guest on itself) or 2022-09-19
CVE CVE-2020-25600 An issue was discovered in Xen through 4.14.x. Out of bounds event channels are available to 32-bit x86 domains. The so called 2-level event channel 2022-09-19
CVE CVE-2020-25603 An issue was discovered in Xen through 4.14.x. There are missing memory barriers when accessing/allocating an event channel. Event channels control s 2022-09-19
CVE CVE-2020-25596 An issue was discovered in Xen through 4.14.x. x86 PV guest kernels can experience denial of service via SYSENTER. The SYSENTER instruction leaves va 2022-09-19
CVE CVE-2020-25597 An issue was discovered in Xen through 4.14.x. There is mishandling of the constraint that once-valid event channels may not turn invalid. Logic in t 2022-09-19
CVE CVE-2020-25595 An issue was discovered in Xen through 4.14.x. The PCI passthrough code improperly uses register data. Code paths in Xen's MSI handling have been ide 2022-09-19
CVE CVE-2020-25604 An issue was discovered in Xen through 4.14.x. There is a race condition when migrating timers between x86 HVM vCPUs. When migrating timers of x86 HV 2022-09-19
CVE CVE-2020-25602 An issue was discovered in Xen through 4.14.x. An x86 PV guest can trigger a host OS crash when handling guest access to MSR_MISC_ENABLE. When a gues 2022-09-19
CVE CVE-2020-15567 An issue was discovered in Xen through 4.13.x, allowing Intel guest OS users to gain privileges or cause a denial of service because of non-atomic mo 2022-09-19
CVE CVE-2020-15564 An issue was discovered in Xen through 4.13.x, allowing Arm guest OS users to cause a hypervisor crash because of a missing alignment check in VCPUOP 2022-09-19
CVE CVE-2020-15565 An issue was discovered in Xen through 4.13.x, allowing x86 Intel HVM guest OS users to cause a host OS denial of service or possibly gain privileges 2022-09-19
CVE CVE-2020-15563 An issue was discovered in Xen through 4.13.x, allowing x86 HVM guest OS users to cause a hypervisor crash. An inverted conditional in x86 HVM guests 2022-09-19
CVE CVE-2020-15566 An issue was discovered in Xen through 4.13.x, allowing guest OS users to cause a host OS crash because of incorrect error handling in event-channel 2022-09-19
CVE CVE-2020-0543 Special Register Buffer Data Sampling 2022-09-19
CVE CVE-2020-11742 An issue was discovered in Xen through 4.13.x, allowing guest OS users to cause a denial of service because of bad continuation handling in GNTTABOP_ 2022-09-19
CVE CVE-2020-11743 An issue was discovered in Xen through 4.13.x, allowing guest OS users to cause a denial of service because of a bad error path in GNTTABOP_map_grant 2022-09-19
CVE CVE-2020-11739 An issue was discovered in Xen through 4.13.x, allowing guest OS users to cause a denial of service or possibly gain privileges because of missing me 2022-09-19



About   -   Send Feedback to @ubuntu_updates