CVE-2026-68342

In the Linux kernel, the following vulnerability has been resolved: ovpn: avoid putting unrelated P2P peer on socket release ovpnpeerreleasep2p is called when an OVPN UDP socket is being destroyed. It checks the currently published P2P peer and releases it only if that peer still uses the socket...

CVE-2026-68358

In the Linux kernel, the following vulnerability has been resolved: hwmon: nzxt-kraken3 Stop device IO before calling hidhwstop Calling hidhwstop does not stop the device IO. This results in a race condition between hidinputreport and the point immediately following the execution of...

UBUNTU-CVE-2026-68392

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: mgmt: fix locking in unpairdevice/disconnectsync Dereferencing RCU-protected pointers outside critical sections is invalid and may lead to UAF. Take hdev-lock for hciconn lookup and hciabortconn. Don't use RCU to ensur...

UBUNTU-CVE-2026-68177

In the Linux kernel, the following vulnerability has been resolved: tracing: Delay module ref count for "enableevent" trigger Triggers are now delayed from freeing, but can still be triggered until after the RCU grace period has ended. The freeing of the enableevent data is put into the...

UBUNTU-CVE-2026-68409

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: defer link RX stats percpu free to RCU staremovelink frees a removed MLO link's RX stats percpu buffer right away, but defers only the link container to RCU: stainfofreelink&alloc-info; kfreercualloc, rcuhead; The...

CVE-2026-68181

In the Linux kernel, the following vulnerability has been resolved: mei: bus: access meidevice under devicelock on cleanup Fix couple of problems in meiclbusdevrelease: meiclflushqueues is running without lock. bus-filelist access after meidevbusputbus can become a use-after-free if this was the...

UBUNTU-CVE-2026-68381

In the Linux kernel, the following vulnerability has been resolved: ksmbd: pin conn during async oplock break notification smb2oplockbreaknoti and smb2leasebreaknoti store a ksmbdconn pointer in an async ksmbdwork and then queue that work on ksmbd-io. The work only increments conn-rcount, which...

UBUNTU-CVE-2026-68427

In the Linux kernel, the following vulnerability has been resolved: gpu: host1x: Fix use-after-free in host1xboclearcachedmappings host1xbounpin drops the last reference to the mapping and frees it, so we can't dereference mapping afterwards. The cache itself outlives the mapping, so use the cach...

UBUNTU-CVE-2026-68192

In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: make releasescratchbuffers idempotent brcmfpciereleasescratchbuffers frees the shared.scratch and shared.ringupd DMA buffers with dmafreecoherent but does not clear the pointers afterwards, unlike the sibling...

UBUNTU-CVE-2026-68361

In the Linux kernel, the following vulnerability has been resolved: hwmon: corsair-psu Stop device IO before calling hidhwstop hidhwstop does not stop the device IO. This results in a race condition between hidinputreport and the point immediately following the execution of hiddeviceiostart withi...

UBUNTU-CVE-2026-68198

In the Linux kernel, the following vulnerability has been resolved: wifi: ath6kl: fix use-after-free in aggrresetstate The aggrresetstate function uses timerdelete non-synchronous for the aggregation timer before proceeding to delete TID state and before the structure is freed by callers like...

UBUNTU-CVE-2026-68153

In the Linux kernel, the following vulnerability has been resolved: libceph: remove debugfs files before client teardown cephdestroyclient tears down the monitor client before removing the per-client debugfs files. A concurrent read of the monmap debugfs file can enter monmapshow after cephmoncst...

UBUNTU-CVE-2026-68375

In the Linux kernel, the following vulnerability has been resolved: bnxten: Handle partially initialized auxiliary devices bnxtauxdevicesinit calls auxiliarydeviceinit before all fields used by bnxtauxdevrelease are initialized. After auxiliarydeviceinit succeeds, later errors must unwind with...

UBUNTU-CVE-2026-68374

In the Linux kernel, the following vulnerability has been resolved: usb: core: sysfs: add lock to bosdescriptorsread Add a lock to the function bosdescriptorsread. This function accesses udev-bos, which could be simultaneously freed in usbresetandverifydevice, a function that is commonly called i...

UBUNTU-CVE-2026-68170

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix stale skb-sk reference on subflow close The backlog list is updated by mptcpdataready under mptcpdatalock. The cleanup of backlog references to a closing subflow, however, was performed in mptcpclosessk, before...

UBUNTU-CVE-2026-68178

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...

UBUNTU-CVE-2026-68358

In the Linux kernel, the following vulnerability has been resolved: hwmon: nzxt-kraken3 Stop device IO before calling hidhwstop Calling hidhwstop does not stop the device IO. This results in a race condition between hidinputreport and the point immediately following the execution of...

UBUNTU-CVE-2026-68152

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...

UBUNTU-CVE-2026-68233

In the Linux kernel, the following vulnerability has been resolved: drm/vc4: Shut down BO cache timer before teardown The BO cache timer callback schedules timework, and timework can rearm the timer through vc4bocachefreeold. vc4bocachedestroy deletes the timer and then cancels the work, which do...

UBUNTU-CVE-2026-68377

In the Linux kernel, the following vulnerability has been resolved: net/sched: acttunnelkey: Defer dstrelease to RCU callback Fix a race-condition use-after-free in tunnelkeyreleaseparams. The function releases the metadatadst of the old params synchronously via dstrelease while deferring the...