CVE-2026-89914

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Sign-extend VA for range-based TLBI invalidation When the decoderangetlbi helper was moved to be used for S1 TLBIs, the required sign extension was omitted. Add it. As a result, special care must be taken to not...

CVE-2026-89961

In the Linux kernel, the following vulnerability has been resolved: powerpc/mm: fix wrong addrpfn tracking in compound vmemmap population vmemmappopulatecompoundpages uses addrpfn to determine the PFN offset within a compound page and to decide whether the current vmemmap slot should be populated...

CVE-2026-89931

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Ensure KVMREQGETNESTEDSTATEPAGES is cleared on VM-Exit Always check and clear KVMREQGETNESTEDSTATEPAGES when emulating a nested VM-Exit to ensure the request is cleared, even when KVM was built with CONFIGKVMHYPERV=n, ...

CVE-2026-89963

In the Linux kernel, the following vulnerability has been resolved: powerpc/kexecfile: Fix null-ptr-def in extra size calculation A static Sashiko AI review identified a potential NULL pointer dereference in kexecextrafdtsizeppc64. On platforms without any reserved memory regions,...

CVE-2026-89989

In the Linux kernel, the following vulnerability has been resolved: ima: Check for ERRPTR from dentrypath in validatehashalgo dentrypath returns ERRPTR-ENAMETOOLONG when the path exceeds the buffer. validatehashalgo passes the result straight to integrityauditmsg without checking. ERRPTR is not...

UBUNTU-CVE-2026-89960

In the Linux kernel, the following vulnerability has been resolved: s390/vfio-ap: fix stale pqaphook pointer on error in vfioapmdevsetkvm In vfioapmdevsetkvm, kvm-arch.crypto.pqaphook is set to &matrixmdev-pqaphook before the update locks are acquired and the mdev list is checked for a conflictin...

CVE-2026-90042

In the Linux kernel, the following vulnerability has been resolved: ceph: properly decrypt filenames in vmalloc buffers The fscrypt subsystem uses the scatterlist crypto API, inheriting its requirement that any buffers are in the linear mapping region. However, the messenger client uses kvmalloc ...

UBUNTU-CVE-2026-90021

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fmidi: initialize work in fmidialloc fmidialloc initializes freeref to 1 and it can only be incremented when a sound card is registered via fmidiregistercard. fmidiregistercard is only called in fmidibind which...

UBUNTU-CVE-2026-89986

In the Linux kernel, the following vulnerability has been resolved: mm/mempolicy: fix sleeping allocation in allocpagesbulkweightedinterleave syzbot reported a sleeping function called from invalid context splat in buckettablealloc. When rhashtableinsertslow rehashes the table under rcureadlock, ...

UBUNTU-CVE-2026-89994

In the Linux kernel, the following vulnerability has been resolved: dmaengine: fsl-edma: tracing: no ptr dereference during log output The fsl edma events store a pointer to a struct fsledmaengine in the ringbuffer and dereference it when a log entry is printed. At this time, the pointer may no...

UBUNTU-CVE-2026-89982

In the Linux kernel, the following vulnerability has been resolved: i2c: mux: Fix channel node leak on adapter add failure i2cmuxaddadapter takes a reference to the Device Tree channel node before registering the new adapter. If adapter registration fails, the error path frees the private data...

UBUNTU-CVE-2026-90029

In the Linux kernel, the following vulnerability has been resolved: usb: storage: realtekcr: fix use-after-free on disconnect realtekcrdestructor calls timerdelete before the chip containing the timer is freed. The timer callback may still be running and can rearm itself, resulting in a...

UBUNTU-CVE-2026-89996

In the Linux kernel, the following vulnerability has been resolved: dma-buf: dma-heap: don't publish fd before copytouser succeeds DMAHEAPIOCTLALLOC allocates a dma-buf and installs an fd into the caller's fd table via dmabuffd - fdinstall before dmaheapioctl copies the result back to userspace. ...

UBUNTU-CVE-2026-89953

In the Linux kernel, the following vulnerability has been resolved: mtd: mtdoops: free page bitmap when the backing MTD is removed mtdoopsnotifyadd allocates oopspageused when the configured MTD device is registered. mtdoopsnotifyremove detaches from that device but leaves the bitmap allocated. I...

CVE-2026-89805

In the Linux kernel, the following vulnerability has been resolved: drm/pagemap: Fix folio allocation fallback and use-after-put drmpagemapmigratepopulaterampfn had two issues when populating RAM PFNs with higher-order folios: 1. The higher-order vmaallocfolio/folioalloc calls did not pass...

CVE-2026-89832

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to clear dirty flag on folio in error path If node block is corrupted due to chksum mismatch or inconsistent footer info, it needs to drop clear flag of node folio, in order to persist inconsistent node data to storage...

CVE-2026-89862

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Fix BSG job leak on validate flash image error path qla28xxvalidateflashimage returns QLASUCCESS 0 unconditionally, telling the FC BSG transport fcbsghostdispatch that the driver owns and will complete the request...

CVE-2026-89821

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: avoid divide-by-zero in islutlinear islutlinear computes the expected value of each entry with expected = i MAXDRMLUTVALUE / size - 1; If it is ever called with a single-entry LUT, size - 1 is zero and the kernel...

CVE-2026-89824

In the Linux kernel, the following vulnerability has been resolved: drm/panel-edp: fix i2c adapter leak on probe failure Make sure to drop the i2c adapter reference on probe failure e.g. probe deferral and on driver unbind also if a devicetree redundantly uses the 'ddc-i2c-bus' property to point ...

UBUNTU-CVE-2026-89868

In the Linux kernel, the following vulnerability has been resolved: media: chips-media: wave5: Add timeout while stopstreaming When stopstreaming is called, an infinite loop may occur in some cases. Add a bounded poll of the queue status: loop until the queues drain, sleeping briefly between poll...