November 11, 2025—KB5068907 (Monthly Rollup)

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October 14, 2025—KB5066793 (OS Builds 22621.6060 and 22631.6060)

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November 11, 2025—KB5068865 (OS Build 22631.6199)

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November 11, 2025—KB5068864 (OS Build 14393.8594)

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November 11, 2025—KB5068791 (OS Build 17763.8027)

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October 14, 2025—KB5066791 (OS Builds 19044.6456 and 19045.6456)

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October 14, 2025—KB5066836 (OS Build 14393.8519)

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November 11, 2025—KB5068905 (Monthly Rollup)

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November 11, 2025—KB5068909 (Security-only update)

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November 11, 2025—KB5068906 (Monthly Rollup)

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December 9, 2025—KB5071506 (Security-only update)

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Description of the security update for Microsoft Exchange Server 2019 CU14: December 9, 2025 (KB5071874)

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EUVD-2023-60092

In the Linux kernel, the following vulnerability has been resolved: PCI: Fix dropping valid root bus resources with .end = zero On r8a7791/koelsch: kmemleak: 1 new suspected memory leaks see /sys/kernel/debug/kmemleak cat /sys/kernel/debug/kmemleak unreferenced object 0xc3a34e00 size 64: comm...

DEBIAN-CVE-2023-53813

In the Linux kernel, the following vulnerability has been resolved: ext4: fix rbtree traversal bug in ext4mbusepreallocated During allocations, while looking for preallocationsPA in the per inode rbtree, we can't do a direct traversal of the tree because ext4mbdiscardgrouppreallocation can...

CVE-2023-53814

In the Linux kernel, the following vulnerability has been resolved: PCI: Fix dropping valid root bus resources with .end = zero On r8a7791/koelsch: kmemleak: 1 new suspected memory leaks see /sys/kernel/debug/kmemleak cat /sys/kernel/debug/kmemleak unreferenced object 0xc3a34e00 size 64: comm...

UBUNTU-CVE-2023-53813

In the Linux kernel, the following vulnerability has been resolved: ext4: fix rbtree traversal bug in ext4mbusepreallocated During allocations, while looking for preallocationsPA in the per inode rbtree, we can't do a direct traversal of the tree because ext4mbdiscardgrouppreallocation can...

CVE-2023-53814

CVE-2023-53814 pertains to the Linux kernel PCI subsystem. The issue arises when coalescing two resources for a contiguous aperture: the second resource is enlarged, the first marked invalid, and resources with invalid state are skipped later, leading to missing root bus resources in pci_bus_inse...

CVE-2023-53814

In the Linux kernel, the following vulnerability has been resolved: PCI: Fix dropping valid root bus resources with .end = zero On r8a7791/koelsch: kmemleak: 1 new suspected memory leaks see /sys/kernel/debug/kmemleak cat /sys/kernel/debug/kmemleak unreferenced object 0xc3a34e00 size 64: comm...

CVE-2023-53814 PCI: Fix dropping valid root bus resources with .end = zero

In the Linux kernel, the following vulnerability has been resolved: PCI: Fix dropping valid root bus resources with .end = zero On r8a7791/koelsch: kmemleak: 1 new suspected memory leaks see /sys/kernel/debug/kmemleak cat /sys/kernel/debug/kmemleak unreferenced object 0xc3a34e00 size 64: comm...

CVE-2023-53814 PCI: Fix dropping valid root bus resources with .end = zero

In the Linux kernel, the following vulnerability has been resolved: PCI: Fix dropping valid root bus resources with .end = zero On r8a7791/koelsch: kmemleak: 1 new suspected memory leaks see /sys/kernel/debug/kmemleak cat /sys/kernel/debug/kmemleak unreferenced object 0xc3a34e00 size 64: comm...