AZL-100568 CVE-2026-89487 affecting package kernel for versions less than 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: openvswitch: only skbtxerror a packet we are about to drop queueuserspacepacket borrows the packet skb -- it only copies it into a private netlink message userskb and does not own it; on return doexecuteactions keeps forwarding i...

DEBIAN-CVE-2026-89483

In the Linux kernel, the following vulnerability has been resolved: nvme: zero the discard fallback page nvmesetupdiscard always maps sizeofstruct nvmedsmrange NVMEDSMMAXRANGES = 4096 bytes as the DSM payload however many ranges the command declares, because some devices ignore the 'Number of...

CVE-2026-81915

Concrete CMS below 9.5.3 does not perform an object-level authorization check when a Page Type was updated. The Types::submit dashboard controller loaded and saved the Page Type identified by a user-supplied ptID without calling canEditPageType, so a signed-in dashboard user permitted to edit one...

CVE-2026-89617

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: validate dirty page table on log replay Each DIRPAGEENTRY ends in a pagelcns array whose length is the on-disk lcnsfollow field. checkrstbl validates the table bookkeeping but never checks that this array fits in the...

CVE-2026-89483

In the Linux kernel, the following vulnerability has been resolved: nvme: zero the discard fallback page nvmesetupdiscard always maps sizeofstruct nvmedsmrange NVMEDSMMAXRANGES = 4096 bytes as the DSM payload however many ranges the command declares, because some devices ignore the 'Number of...

CVE-2026-89500

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Make cpubuffer::freepage a bufferdatareadpage Discarding a cached reader page after a concurrent ring buffer resize uses the new global subbuforder for the freepages call. This mismatched order may crashes the kernel...

CVE-2026-89499

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Stop remote reader update when page swap fails The remote swapreaderpage callback can return -EBUSY when the writer moves the head before the remote catches it, particularly during an event storm on a small buffer...

UBUNTU-CVE-2026-89617

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: validate dirty page table on log replay Each DIRPAGEENTRY ends in a pagelcns array whose length is the on-disk lcnsfollow field. checkrstbl validates the table bookkeeping but never checks that this array fits in the...

UBUNTU-CVE-2026-89499

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Stop remote reader update when page swap fails The remote swapreaderpage callback can return -EBUSY when the writer moves the head before the remote catches it, particularly during an event storm on a small buffer...

UBUNTU-CVE-2026-89502

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Free cpubuffer::freepage with subbuforder When sub-buffers use an order greater than 0, cpubuffer-freepage is allocated with subbuforder. Use the correct order for cpubuffer-freepage...

UBUNTU-CVE-2026-89503

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Fix subbuf resize race with ringbufferallocreadpage ringbufferallocreadpage is racy with ringbuffersubbuforderset, it can allocate a reader page with an outdated order. This isn't a big issue, the user can still...

UBUNTU-CVE-2026-89528

In the Linux kernel, the following vulnerability has been resolved: svcrdma: Reject Read lists that exceed the page budget Individual Read segment lengths are validated at decode time, but nothing prevents a requester from sending multiple segments whose cumulative length exceeds the rqpages arra...

UBUNTU-CVE-2026-89500

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Make cpubuffer::freepage a bufferdatareadpage Discarding a cached reader page after a concurrent ring buffer resize uses the new global subbuforder for the freepages call. This mismatched order may crashes the kernel...

UBUNTU-CVE-2026-89487

In the Linux kernel, the following vulnerability has been resolved: openvswitch: only skbtxerror a packet we are about to drop queueuserspacepacket borrows the packet skb -- it only copies it into a private netlink message userskb and does not own it; on return doexecuteactions keeps forwarding i...

CVE-2026-89487

In the Linux kernel, the following vulnerability has been resolved: openvswitch: only skbtxerror a packet we are about to drop queueuserspacepacket borrows the packet skb -- it only copies it into a private netlink message userskb and does not own it; on return doexecuteactions keeps forwarding i...

CVE-2026-89756 mm/migrate: report RCU-tasks quiescent states in migrate_pages_batch()

In the Linux kernel, the following vulnerability has been resolved: mm/migrate: report RCU-tasks quiescent states in migratepagesbatch migratepagesbatch unmaps each folio before moving it, and every unmap runs the mmunotifier invalidate callbacks. On KVM hosts trytomigrate ends up in...

CVE-2026-89756 mm/migrate: report RCU-tasks quiescent states in migrate_pages_batch()

In the Linux kernel, the following vulnerability has been resolved: mm/migrate: report RCU-tasks quiescent states in migratepagesbatch migratepagesbatch unmaps each folio before moving it, and every unmap runs the mmunotifier invalidate callbacks. On KVM hosts trytomigrate ends up in...

CVE-2026-89753 mm/vmscan: report RCU-tasks quiescent states in shrink_lruvec()

In the Linux kernel, the following vulnerability has been resolved: mm/vmscan: report RCU-tasks quiescent states in shrinklruvec I am seeing some rcutasks stalls in the Meta fleet during reclaim. INFO: rcutasks detected stalls on tasks: 0000000088620d09: .. nvcsw: 6735/6735 holdout: 1 idlecpu: -1...

CVE-2026-89617

A vulnerability in the Linux kernel NTFS3 filesystem driver (fs/ntfs3) allows a local attacker to craft a malicious NTFS log file where a tampered lcns_follow field in a DIR_PAGE_ENTRY causes an out-of-bounds write during log replay. The root cause is that check_rstbl() validates table bookkeepin...

CVE-2026-89617 fs/ntfs3: validate dirty page table on log replay

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: validate dirty page table on log replay Each DIRPAGEENTRY ends in a pagelcns array whose length is the on-disk lcnsfollow field. checkrstbl validates the table bookkeeping but never checks that this array fits in the...