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 CONFIG_DEBUG_SHIRQ. This might cause a WARN() in the handler.
Avoid that by adding an "unbinding" flag to struct user_event which will short circuit the handler.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Jul 27, 2026 | Jul 27, 2026 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | May 1, 2024 |
| Suse | — | Upgrade kernel-kvmsmall-livepatch-develUpgrade kernel-rt-vdsoUpgrade dtb-amlogicUpgrade dtb-appleUpgrade kernel-rt-livepatch-develUpgrade gfs2-kmp-defaultUpgrade kernel-rt_debug-livepatch-develUpgrade dtb-socionextUpgrade reiserfs-kmp-rtUpgrade dtb-nvidiaUpgrade kernel-symsUpgrade kernel-syms-rtUpgrade kernel-docs-htmlUpgrade kernel-kvmsmall-vdsoUpgrade kernel-azure-vdsoUpgrade kernel-64kb-extraUpgrade dlm-kmp-rtUpgrade dtb-apmUpgrade dtb-sprdUpgrade ocfs2-kmp-64kbUpgrade kernel-rt-optionalUpgrade dlm-kmp-azureUpgrade dtb-amazonUpgrade cluster-md-kmp-defaultUpgrade reiserfs-kmp-defaultUpgrade kernel-macrosUpgrade dtb-hisiliconUpgrade kernel-defaultUpgrade reiserfs-kmp-64kbUpgrade kernel-default-develUpgrade dtb-broadcomUpgrade dtb-marvellUpgrade kernel-64kb-livepatch-develUpgrade kernel-debug-livepatch-develUpgrade kernel-default-extraUpgrade kernel-64kb-optionalUpgrade kernel-debug-develUpgrade kselftests-kmp-azureUpgrade kselftests-kmp-defaultUpgrade kernel-obs-qaUpgrade kernel-rt_debugUpgrade kernel-azure-extraUpgrade kernel-rt_debug-vdsoUpgrade dtb-renesasUpgrade kernel-debugUpgrade dtb-freescaleUpgrade kselftests-kmp-rtUpgrade dlm-kmp-defaultUpgrade kernel-64kbUpgrade cluster-md-kmp-64kbUpgrade kernel-default-baseUpgrade kernel-default-livepatchUpgrade kernel-default-livepatch-develUpgrade kernel-docsUpgrade dtb-amdUpgrade kernel-source-rtUpgrade kernel-syms-azureUpgrade kernel-rt_debug-develUpgrade kernel-rt-develUpgrade kernel-devel-rtUpgrade kernel-default-base-rebuildUpgrade dtb-rockchipUpgrade cluster-md-kmp-rtUpgrade kernel-rt-extraUpgrade kernel-azure-optionalUpgrade gfs2-kmp-64kbUpgrade ocfs2-kmp-rtUpgrade kernel-develUpgrade kernel-64kb-develUpgrade dtb-mediatekUpgrade kernel-azure-livepatch-develUpgrade dtb-lgUpgrade kernel-default-optionalUpgrade kernel-azureUpgrade cluster-md-kmp-azureUpgrade kernel-kvmsmallUpgrade dtb-caviumUpgrade dtb-qcomUpgrade dtb-alteraUpgrade kernel-source-vanillaUpgrade ocfs2-kmp-azureUpgrade kernel-obs-buildUpgrade dlm-kmp-64kbUpgrade reiserfs-kmp-azureUpgrade dtb-xilinxUpgrade dtb-armUpgrade kselftests-kmp-64kbUpgrade kernel-debug-vdsoUpgrade kernel-azure-develUpgrade kernel-default-vdsoUpgrade kernel-devel-azureUpgrade kernel-rtUpgrade kernel-kvmsmall-develUpgrade gfs2-kmp-rtUpgrade gfs2-kmp-azureUpgrade dtb-exynosUpgrade dtb-allwinnerUpgrade ocfs2-kmp-defaultUpgrade kernel-zfcpdumpUpgrade kernel-source-azureUpgrade kernel-source | Jun 24, 2024 | May 1, 2024 |
| Ubuntu | — | Upgrade linux-image-oem-24.04aUpgrade linux-image-6.8.0-1004-gkeUpgrade linux-image-6.8.0-1009-awsUpgrade linux-image-kvmUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-awsUpgrade linux-image-6.8.0-35-lowlatency-64kUpgrade linux-image-6.8.0-35-genericUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-gkeUpgrade linux-image-6.8.0-1008-azure-fdeUpgrade linux-image-gcpUpgrade linux-image-virtualUpgrade linux-image-6.8.0-1008-gcpUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-6.8.0-1006-oemUpgrade linux-image-oracle-64kUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-6.8.0-1006-oracle-64kUpgrade linux-image-6.8.0-35-generic-64kUpgrade linux-image-oracleUpgrade linux-image-azureUpgrade linux-image-generic-lpaeUpgrade linux-image-6.8.0-1006-oracleUpgrade linux-image-lowlatencyUpgrade linux-image-generic-64kUpgrade linux-image-genericUpgrade linux-image-ibmUpgrade linux-image-ibm-classicUpgrade linux-image-6.8.0-1008-azureUpgrade linux-image-6.8.0-1006-ibmUpgrade linux-image-6.8.0-35-lowlatencyUpgrade linux-image-raspiUpgrade linux-image-oem-24.04Upgrade linux-image-6.8.0-1005-raspiUpgrade linux-image-lowlatency-64kUpgrade linux-image-azure-fde | Jul 1, 2024 | May 1, 2024 |
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