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In the Linux kernel, the following vulnerability has been resolved:
cachefiles: add missing lock protection when polling
Add missing lock protection in poll routine when iterating xarray, otherwise:
Even with RCU read lock held, only the slot of the radix tree is ensured to be pinned there, while the data structure (e.g. struct cachefiles_req) stored in the slot has no such guarantee. The poll routine will iterate the radix tree and dereference cachefiles_req accordingly. Thus RCU read lock is not adequate in this case and spinlock is needed here.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux-6.1Upgrade linux | Sep 2, 2024 | Aug 7, 2024 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Aug 7, 2024 |
| Suse | — | Upgrade dtb-sprdUpgrade kernel-kvmsmall-vdsoUpgrade kernel-source-rtUpgrade dtb-marvellUpgrade kernel-azure-vdsoUpgrade ocfs2-kmp-defaultUpgrade kernel-azure-develUpgrade kernel-64kb-extraUpgrade gfs2-kmp-defaultUpgrade kselftests-kmp-rtUpgrade reiserfs-kmp-rtUpgrade kernel-rt-optionalUpgrade dlm-kmp-defaultUpgrade dtb-qcomUpgrade gfs2-kmp-azureUpgrade dtb-nvidiaUpgrade kernel-docsUpgrade ocfs2-kmp-64kbUpgrade kernel-rt_debug-livepatch-develUpgrade kselftests-kmp-azureUpgrade kernel-default-livepatchUpgrade kernel-default-vdsoUpgrade dtb-alteraUpgrade kernel-default-base-rebuildUpgrade kernel-source-vanillaUpgrade kernel-debug-vdsoUpgrade kernel-rt_debug-develUpgrade reiserfs-kmp-64kbUpgrade dtb-allwinnerUpgrade kernel-docs-htmlUpgrade kernel-default-baseUpgrade dtb-caviumUpgrade kernel-default-livepatch-develUpgrade kernel-rt-extraUpgrade kernel-azureUpgrade dlm-kmp-rtUpgrade kernel-obs-buildUpgrade kernel-rt_debugUpgrade dtb-rockchipUpgrade reiserfs-kmp-azureUpgrade dtb-broadcomUpgrade kernel-defaultUpgrade kernel-rt-vdsoUpgrade kernel-rt-livepatch-develUpgrade kernel-rtUpgrade kernel-azure-optionalUpgrade cluster-md-kmp-64kbUpgrade dtb-appleUpgrade ocfs2-kmp-rtUpgrade kernel-debug-livepatch-develUpgrade dtb-renesasUpgrade kselftests-kmp-64kbUpgrade kernel-64kbUpgrade kernel-develUpgrade dtb-amlogicUpgrade gfs2-kmp-rtUpgrade dtb-exynosUpgrade kselftests-kmp-defaultUpgrade kernel-source-azureUpgrade kernel-sourceUpgrade kernel-devel-azureUpgrade dtb-xilinxUpgrade dtb-apmUpgrade kernel-syms-azureUpgrade kernel-64kb-optionalUpgrade kernel-rt-develUpgrade ocfs2-kmp-azureUpgrade gfs2-kmp-64kbUpgrade dtb-mediatekUpgrade dtb-freescaleUpgrade kernel-symsUpgrade kernel-default-extraUpgrade kernel-debug-develUpgrade kernel-azure-extraUpgrade dlm-kmp-azureUpgrade kernel-syms-rtUpgrade cluster-md-kmp-rtUpgrade dtb-hisiliconUpgrade kernel-kvmsmall-develUpgrade kernel-azure-livepatch-develUpgrade kernel-obs-qaUpgrade kernel-64kb-develUpgrade kernel-zfcpdumpUpgrade kernel-macrosUpgrade kernel-64kb-livepatch-develUpgrade reiserfs-kmp-defaultUpgrade cluster-md-kmp-azureUpgrade kernel-rt_debug-vdsoUpgrade dtb-amdUpgrade kernel-kvmsmallUpgrade kernel-default-develUpgrade kernel-default-optionalUpgrade dtb-amazonUpgrade cluster-md-kmp-defaultUpgrade kernel-devel-rtUpgrade dtb-lgUpgrade dlm-kmp-64kbUpgrade kernel-kvmsmall-livepatch-develUpgrade dtb-socionextUpgrade dtb-armUpgrade kernel-debug | Dec 5, 2025 | Sep 10, 2024 |
| Ubuntu | — | Upgrade linux-image-awsUpgrade linux-image-6.8.0-1013-gkeUpgrade linux-image-6.8.0-1016-azure-fdeUpgrade linux-image-6.8.0-1014-ibmUpgrade linux-image-azureUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-oem-22.04cUpgrade linux-image-6.8.0-1017-azure-fdeUpgrade linux-image-gkeUpgrade linux-image-nvidia-64kUpgrade linux-image-6.8.0-1016-oemUpgrade linux-image-raspiUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-6.8.0-1018-awsUpgrade linux-image-6.8.0-48-genericUpgrade linux-image-oracle-64kUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-kvmUpgrade linux-image-oem-22.04dUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-nvidia-6.8Upgrade linux-image-6.8.0-48-lowlatency-64kUpgrade linux-image-6.8.0-1017-gcpUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-generic-hwe-22.04Upgrade linux-image-oem-24.04Upgrade linux-image-6.8.0-1015-oracleUpgrade linux-image-6.8.0-1015-oracle-64kUpgrade linux-image-6.8.0-1017-nvidiaUpgrade linux-image-6.8.0-1017-nvidia-lowlatencyUpgrade linux-image-generic-64kUpgrade linux-image-ibm-classicUpgrade linux-image-6.8.0-1002-gkeopUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-1017-azureUpgrade linux-image-6.8.0-48-generic-64kUpgrade linux-image-generic-lpaeUpgrade linux-image-oracleUpgrade linux-image-6.8.0-1017-nvidia-lowlatency-64kUpgrade linux-image-nvidiaUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-gcpUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-lowlatencyUpgrade linux-image-lowlatency-64kUpgrade linux-image-6.8.0-48-lowlatencyUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-gkeop-6.8Upgrade linux-image-oem-22.04Upgrade linux-image-lowlatency-hwe-24.04Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-6.8.0-1017-nvidia-64kUpgrade linux-image-oem-24.04aUpgrade linux-image-oem-22.04aUpgrade linux-image-ibmUpgrade linux-image-6.8.0-1016-gcpUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-lowlatency-64k-hwe-24.04Upgrade linux-image-virtualUpgrade linux-image-genericUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-oem-22.04bUpgrade linux-image-6.8.0-1016-azureUpgrade linux-image-gkeopUpgrade linux-image-6.8.0-1014-raspiUpgrade linux-image-azure-fde | Nov 4, 2024 | Aug 7, 2024 |
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