SUSE-SU-2026:3423-1 Security update for xen

This update for xen fixes the following issues - CVE-2026-42493: x86 shadow paging is deprecated bsc1271528. - CVE-2026-42494,CVE-2026-42495,CVE-2026-62423,CVE-2026-62424,CVE-2026-62425: buffer overruns in libfsimage iso9660 handling bsc1271530. - CVE-2026-62426,CVE-2026-62427: sysctl and...

Linux Distros Unpatched Vulnerability : CVE-2020-25599

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An issue was discovered in Xen through 4.14.x. There are evtchnreset race conditions. Uses of EVTCHNOPreset potentially by a guest on itself or XENDOMCTLsoftres...

CVE-2024-27067

In the Linux kernel, the following vulnerability has been resolved: xen/evtchn: avoid WARN when unbinding an event channel When unbinding a user event channel, the related handler might be called a last time in case the kernel was built with CONFIGDEBUGSHIRQ. This might cause a WARN in the handle...

CVE-2024-27067

In the Linux kernel, the following vulnerability has been resolved: xen/evtchn: avoid WARN when unbinding an event channel When unbinding a user event channel, the related handler might be called a last time in case the kernel was built with CONFIGDEBUGSHIRQ. This might cause a WARN in the handle...

CVE-2024-27067

In the Linux kernel, the following vulnerability has been resolved: xen/evtchn: avoid WARN when unbinding an event channel When unbinding a user event channel, the related handler might be called a last time in case the kernel was built with CONFIGDEBUGSHIRQ. This might cause a WARN in the handle...

CVE-2024-27067 xen/evtchn: avoid WARN() when unbinding an event channel

In the Linux kernel, the following vulnerability has been resolved: xen/evtchn: avoid WARN when unbinding an event channel When unbinding a user event channel, the related handler might be called a last time in case the kernel was built with CONFIGDEBUGSHIRQ. This might cause a WARN in the handle...

CVE-2024-27067

The CVE-2024-27067 issue is in the Linux kernel (xen/evtchn) where unbinding a user event channel could cause a WARN() in the handler if the kernel is built with CONFIG_DEBUG_SHIRQ. The fix adds an "unbinding" flag to struct user_event to short-circuit the handler, preventing the WARN() when unbi...

CVE-2024-27067

In the Linux kernel, the following vulnerability has been resolved: xen/evtchn: avoid WARN when unbinding an event channel When unbinding a user event channel, the related handler might be called a last time in case the kernel was built with CONFIGDEBUGSHIRQ. This might cause a WARN in the handle...

CVE-2024-27067 xen/evtchn: avoid WARN() when unbinding an event channel

In the Linux kernel, the following vulnerability has been resolved: xen/evtchn: avoid WARN when unbinding an event channel When unbinding a user event channel, the related handler might be called a last time in case the kernel was built with CONFIGDEBUGSHIRQ. This might cause a WARN in the handle...

SUSE CVE-2024-26687

In the Linux kernel, the following vulnerability has been resolved: xen/events: close evtchn after mapping cleanup shutdownpirq and startuppirq are not taking the irqmappingupdatelock because they can't due to lock inversion. Both are called with the irqdesc-lock being taking. The lock order,...

CVE-2024-26687

In the Linux kernel, the following vulnerability has been resolved: xen/events: close evtchn after mapping cleanup shutdownpirq and startuppirq are not taking the irqmappingupdatelock because they can't due to lock inversion. Both are called with the irqdesc-lock being taking. The lock order,...

DEBIAN-CVE-2024-26687

In the Linux kernel, the following vulnerability has been resolved: xen/events: close evtchn after mapping cleanup shutdownpirq and startuppirq are not taking the irqmappingupdatelock because they can't due to lock inversion. Both are called with the irqdesc-lock being taking. The lock order,...

CVE-2024-26687 xen/events: close evtchn after mapping cleanup

In the Linux kernel, the following vulnerability has been resolved: xen/events: close evtchn after mapping cleanup shutdownpirq and startuppirq are not taking the irqmappingupdatelock because they can't due to lock inversion. Both are called with the irqdesc-lock being taking. The lock order,...

DEBIAN-CVE-2020-25601

An issue was discovered in Xen through 4.14.x. There is a lack of preemption in evtchnreset / evtchndestroy. In particular, the FIFO event channel model allows guests to have a large number of event channels active at a time. Closing all of these when resetting all event channels or when cleaning...

ALPINE-CVE-2020-25599

An issue was discovered in Xen through 4.14.x. There are evtchnreset race conditions. Uses of EVTCHNOPreset potentially by a guest on itself or XENDOMCTLsoftreset by itself covered by XSA-77 can lead to the violation of various internal assumptions. This may lead to out of bounds memory accesses ...

DEBIAN-CVE-2020-25599

An issue was discovered in Xen through 4.14.x. There are evtchnreset race conditions. Uses of EVTCHNOPreset potentially by a guest on itself or XENDOMCTLsoftreset by itself covered by XSA-77 can lead to the violation of various internal assumptions. This may lead to out of bounds memory accesses ...

ALPINE-CVE-2020-25601

An issue was discovered in Xen through 4.14.x. There is a lack of preemption in evtchnreset / evtchndestroy. In particular, the FIFO event channel model allows guests to have a large number of event channels active at a time. Closing all of these when resetting all event channels or when cleaning...

UBUNTU-CVE-2020-25599

An issue was discovered in Xen through 4.14.x. There are evtchnreset race conditions. Uses of EVTCHNOPreset potentially by a guest on itself or XENDOMCTLsoftreset by itself covered by XSA-77 can lead to the violation of various internal assumptions. This may lead to out of bounds memory accesses ...

Xen Information Disclosure Vulnerability (CNVD-2020-53818)

Xen is an open source virtual machine monitor product from the University of Cambridge, UK. The product enables different and incompatible operating systems to run on the same computer and supports runtime migration to ensure uptime and avoid downtime. Xen is vulnerable to a code issue. The...

Unbreakable Enterprise kernel security and bugfix update

2.6.39-400.23.1 - Parallel mtrr init between cpus Zhenzhong Duan Orabug: 16777774 - Merge tag 'v2.6.39-400.21.1.16748891' of git://ca-git.us.oracle.com/linux-uek-2.6.39-ofed into uek-2.6.39-400 Maxim Uvarov Orabug: 16748891 - xen-blkfront: use a different scatterlist for each request Roger Pau...