In the Linux kernel, the following vulnerability has been resolved:
block: avoid to reuse `hctx` not removed from cpuhp callback list
If the 'hctx' isn't removed from cpuhp callback list, we can't reuse it, otherwise use-after-free may be triggered.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Jul 27, 2026 | Jul 27, 2026 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Jan 11, 2025 |
| Suse | — | Upgrade kernel-azure-develUpgrade kernel-rt-livepatch-develUpgrade kselftests-kmp-defaultUpgrade kselftests-kmp-rtUpgrade dtb-marvellUpgrade kernel-azure-extraUpgrade kernel-azure-vdsoUpgrade dlm-kmp-azureUpgrade kernel-macrosUpgrade dtb-apmUpgrade dlm-kmp-defaultUpgrade gfs2-kmp-rtUpgrade dtb-amlogicUpgrade gfs2-kmp-64kbUpgrade reiserfs-kmp-azureUpgrade dlm-kmp-rtUpgrade kernel-devel-rtUpgrade kernel-rt_debug-vdsoUpgrade kernel-default-livepatch-develUpgrade cluster-md-kmp-defaultUpgrade kernel-zfcpdumpUpgrade dtb-renesasUpgrade kernel-default-baseUpgrade dtb-amdUpgrade dtb-socionextUpgrade dtb-armUpgrade kernel-debug-develUpgrade kernel-defaultUpgrade kernel-syms-rtUpgrade kernel-symsUpgrade ocfs2-kmp-rtUpgrade dtb-appleUpgrade dtb-mediatekUpgrade dtb-rockchipUpgrade dtb-nvidiaUpgrade kernel-kvmsmallUpgrade kernel-kvmsmall-vdsoUpgrade reiserfs-kmp-rtUpgrade kernel-docsUpgrade kernel-default-extraUpgrade kernel-obs-qaUpgrade kernel-rt_debugUpgrade kernel-rt_debug-develUpgrade kernel-default-base-rebuildUpgrade kernel-develUpgrade ocfs2-kmp-defaultUpgrade kernel-docs-htmlUpgrade gfs2-kmp-defaultUpgrade dtb-lgUpgrade dtb-exynosUpgrade cluster-md-kmp-rtUpgrade reiserfs-kmp-defaultUpgrade kselftests-kmp-64kbUpgrade kernel-64kb-develUpgrade dtb-freescaleUpgrade kernel-default-develUpgrade kernel-obs-buildUpgrade dtb-allwinnerUpgrade dtb-xilinxUpgrade dtb-caviumUpgrade cluster-md-kmp-azureUpgrade ocfs2-kmp-azureUpgrade kernel-syms-azureUpgrade kernel-sourceUpgrade kernel-rtUpgrade kernel-64kb-extraUpgrade kernel-rt-develUpgrade kernel-azureUpgrade dtb-qcomUpgrade dlm-kmp-64kbUpgrade kernel-rt-optionalUpgrade kernel-devel-azureUpgrade kernel-debug-vdsoUpgrade kselftests-kmp-azureUpgrade dtb-broadcomUpgrade dtb-alteraUpgrade kernel-source-rtUpgrade kernel-rt-vdsoUpgrade kernel-default-optionalUpgrade kernel-64kb-optionalUpgrade kernel-64kbUpgrade kernel-azure-optionalUpgrade dtb-sprdUpgrade reiserfs-kmp-64kbUpgrade kernel-debugUpgrade ocfs2-kmp-64kbUpgrade kernel-default-vdsoUpgrade kernel-default-livepatchUpgrade gfs2-kmp-azureUpgrade dtb-amazonUpgrade cluster-md-kmp-64kbUpgrade kernel-rt-extraUpgrade dtb-hisiliconUpgrade kernel-kvmsmall-develUpgrade kernel-source-vanillaUpgrade kernel-source-azure | Dec 5, 2025 | Jun 12, 2025 |
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