CVE-2026-68178 misc: nsm: pin the module while the device is open

In the Linux kernel, the following vulnerability has been resolved: misc: nsm: pin the module while the device is open miscopen installs a misc driver's file operations with fopsget, which pins fileoperations::owner before replacing the file's fop. The NSM misc device leaves nsmdevfops.owner unse...

CVE-2026-68178 misc: nsm: pin the module while the device is open

In the Linux kernel, the following vulnerability has been resolved: misc: nsm: pin the module while the device is open miscopen installs a misc driver's file operations with fopsget, which pins fileoperations::owner before replacing the file's fop. The NSM misc device leaves nsmdevfops.owner unse...

CVE-2026-68178

CVE-2026-68178 concerns the Linux kernel NSM (Network Shared Memory) misc device. The root cause is that misc_open() installs file_operations with fops_get() which pins file_operations::owner, but NSM’s misc device left nsm_dev_fops.owner unset, allowing an open /dev/nsm descriptor to survive an ...

EUVD-2026-55279

In the Linux kernel, the following vulnerability has been resolved: misc: nsm: pin the module while the device is open miscopen installs a misc driver's file operations with fopsget, which pins fileoperations::owner before replacing the file's fop. The NSM misc device leaves nsmdevfops.owner unse...

CVE-2026-68176 tracing: Fix mmiotrace possible NULL dereferencing of hiter->dev

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix mmiotrace possible NULL dereferencing of hiter-dev If the mmiopipeopen fails to find a PCI device, the hiter-dev will be assigned to NULL. The mmiotrace read function dereferences the hiter-dev if hiter exists. Chang...

CVE-2026-68176

The CVE-2026-68176 entry concerns the Linux kernel tracing subsystem (mmiotrace) where a NULL dereference could occur if mmio_pipe_open() fails to locate a PCI device and hiter->dev is NULL. The read() path previously dereferenced hiter->dev without verifying it; the fix adds a check for hi...

EUVD-2026-55277

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix mmiotrace possible NULL dereferencing of hiter-dev If the mmiopipeopen fails to find a PCI device, the hiter-dev will be assigned to NULL. The mmiotrace read function dereferences the hiter-dev if hiter exists. Chang...

EUVD-2026-55274

In the Linux kernel, the following vulnerability has been resolved: ublk: wait on ublkdevready instead of ub-completion ub-completion is only re-armed by a successful STARTUSERRECOVERY. If the ublk server sends ENDUSERRECOVERY without one - e.g. its START failed with -EBUSY and the error was...

CVE-2026-68173 ublk: wait on ublk_dev_ready() instead of ub->completion

In the Linux kernel, the following vulnerability has been resolved: ublk: wait on ublkdevready instead of ub-completion ub-completion is only re-armed by a successful STARTUSERRECOVERY. If the ublk server sends ENDUSERRECOVERY without one - e.g. its START failed with -EBUSY and the error was...

CVE-2026-68173

CVE-2026-68173 affects the Linux kernel ublk subsystem. The root cause is that ub->completion is an edge-triggered latch used as a proxy for the readiness condition; when a server sends END_USER_RECOVERY without a preceding START_USER_RECOVERY, the wait can be satisfied by a stale completion, ...

CVE-2026-68163

The CVE-2026-68163 entry concerns Linux kernel memory management: device-private PMD handling in page_vma_mapped_walk() and related code paths. Root cause was improper handling of device-private PMD entries after adding device-private support, leading to cases where PMD entries with PFNs could be...

EUVD-2026-55549

In the Linux kernel, the following vulnerability has been resolved: mm/pagevmamapped: fix device-private PMD handling Commit 65edfda6f3f2 "mm/rmap: extend rmap and migration support device-private entries" introduced the concept of device-private PMD entries, but did not correctly update the rmap...

CVE-2026-68163 mm/page_vma_mapped: fix device-private PMD handling

In the Linux kernel, the following vulnerability has been resolved: mm/pagevmamapped: fix device-private PMD handling Commit 65edfda6f3f2 "mm/rmap: extend rmap and migration support device-private entries" introduced the concept of device-private PMD entries, but did not correctly update the rmap...

CVE-2026-68163 mm/page_vma_mapped: fix device-private PMD handling

In the Linux kernel, the following vulnerability has been resolved: mm/pagevmamapped: fix device-private PMD handling Commit 65edfda6f3f2 "mm/rmap: extend rmap and migration support device-private entries" introduced the concept of device-private PMD entries, but did not correctly update the rmap...

CVE-2026-68154 libceph: reject zero bucket types in crush_decode

In the Linux kernel, the following vulnerability has been resolved: libceph: reject zero bucket types in crushdecode CRUSH bucket type 0 is reserved for devices. The mapper relies on that invariant and uses type 0 to identify leaf devices. If crushdecode accepts a bucket with type 0, a malformed...

EUVD-2026-55538

In the Linux kernel, the following vulnerability has been resolved: amt: fix use-after-free in AMT delayed works When an AMT device is removed, pending delayed works can still access the freed amtdev structure, which may result in kernel crashes or memory corruption. amtdevstop cancels reqwq and...

CVE-2026-68152

The CVE-2026-68152 issue affects the Linux kernel AMT driver. A race during device removal can let delayed works access freed amt_dev memory, risking kernel crashes or memory corruption.Root cause: pending delayed works may be re-queued after cancellation (amt_dev_stop) via event_wq, accessing fr...

CVE-2026-68152 amt: fix use-after-free in AMT delayed works

In the Linux kernel, the following vulnerability has been resolved: amt: fix use-after-free in AMT delayed works When an AMT device is removed, pending delayed works can still access the freed amtdev structure, which may result in kernel crashes or memory corruption. amtdevstop cancels reqwq and...

CVE-2026-68147 fscrypt: Avoid dynamic allocation in fscrypt_get_devices()

In the Linux kernel, the following vulnerability has been resolved: fscrypt: Avoid dynamic allocation in fscryptgetdevices When a blkcryptokey starts being used or is evicted, fs/crypto/ calls fscryptgetdevices to get the filesystem's list of block devices, then iterates over them and calls...

CVE-2026-68142

The CVE concerns the Linux kernel geneve driver. A local attacker with CAP_NET_ADMIN in one network namespace can bypass permission checks and modify a geneve network device in a different namespace, potentially enabling unauthorized network configuration changes or disruption. The fix gates the ...