UBUNTU-CVE-2026-68402

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: bound element ID read when checking non-inheritance cfg80211iselementinherited reads the first data octet of the candidate element id = elem-data0 to look it up in an extension non-inheritance list. It does so aft...

UBUNTU-CVE-2026-68321

In the Linux kernel, the following vulnerability has been resolved: net: txgbe: fix FDIR filter leak on remove Perfect FDIR filters can be added while the interface is down and are kept on the software list for later restore. unregisternetdev only calls ndostop when the device is up, so...

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-2026-68360

In the Linux kernel, the following vulnerability has been resolved: hwmon: corsair-cpro 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-2026-68240

In the Linux kernel, the following vulnerability has been resolved: drm/gpusvm: publish dpagemap early to avoid device mapping leak on error drmgpusvmgetpages only stored the local dpagemap into svmpages-dpagemap on the success path. If a later page failed e.g. -EOPNOTSUPP when ctx-allowmixed is...

UBUNTU-CVE-2026-68312

In the Linux kernel, the following vulnerability has been resolved: cifs: fix cifsFileInfo leak on kmalloc failure in deferred close drain paths In cifsclosedeferredfile, cifsclosealldeferredfiles, and cifsclosedeferredfileunderdentry, when a pending deferred close is cancelled via...

UBUNTU-CVE-2026-68148

In the Linux kernel, the following vulnerability has been resolved: fscrypt: Add missing superblock check in findorinsertdirectkey The legacy 'fscryptdirectkeys' table caches master keys that are used by v1 encryption policies that have FSCRYPTPOLICYFLAGDIRECTKEY. It's just a global table for all...

UBUNTU-CVE-2026-68238

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Release VFCT ACPI table reference amdgpuacpivfctbios fetches the VFCT table with acpigettable but never releases it. acpigettable takes a reference on the table incrementing its validationcount and mapping it on the 0...

UBUNTU-CVE-2026-68166

In the Linux kernel, the following vulnerability has been resolved: userfaultfd: prevent registration of special VMAs Vova Tokarev says: userfaultfd allows registration on shadow stack VMAs. With userfaultfd access, you can register on the shadow stack, discard a page ... and inject a page with...

UBUNTU-CVE-2026-68365

In the Linux kernel, the following vulnerability has been resolved: USB: serial: ioedgeport: cap received transmit credits The interrupt-status packet reports transmit credits returned by the device. edgeinterruptcallback adds the 16-bit value to txCredits without checking maxTxCredits. edgewrite...

UBUNTU-CVE-2026-68248

In the Linux kernel, the following vulnerability has been resolved: drm/i915: Return NULL on error in activeinstance Avoid returning &node-base when node is NULL due to OOM during GFPATOMIC allocation. Discovered using AI-assisted static analysis confirmed by Intel Product Security. cherry picked...

UBUNTU-CVE-2026-68410

In the Linux kernel, the following vulnerability has been resolved: wifi: libertas: fix memory leak in helperfirmwarecb helperfirmwarecb neglects to free the single-stage firmware image after a successful async load, leading to a memory leak in the USB firmware-download path. Fix this memory leak...

UBUNTU-CVE-2026-68277

In the Linux kernel, the following vulnerability has been resolved: drm/dp/mst: fix OOB reads on 2-byte fields in sideband reply parsers Three sideband reply parsers read 16-bit fields as: val = raw-msgidx msgidx+1; and check bounds only after the fact. When idx == raw-curlen, raw-msgidx+1 reads...

UBUNTU-CVE-2026-68189

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Protect UUID list traversal The hcisync conversion moved class-of-device and EIR generation from an HCI request built under hdev-lock to asynchronous command sync work. The worker holds hdev-reqlock, but that...

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...

UBUNTU-CVE-2026-68265

In the Linux kernel, the following vulnerability has been resolved: drm/xe/vm: Fix BO prefetch with CONSULTMEMADVISEPREFLOC When prefetch region is DRMXECONSULTMEMADVISEPREFLOC for a BO VMA, the code used it as an index into regiontomemtype, causing an out-of-bounds access since the value is -1...

UBUNTU-CVE-2026-68208

In the Linux kernel, the following vulnerability has been resolved: media: ti: vpe: Fix the error code of devmkzalloc in vipprobeslice In vipprobeslice, the error check for devmkzalloc incorrectly uses PTRERRORZERO which returns 0 for NULL pointer. Return -ENOMEM for devmkzalloc failure...

UBUNTU-CVE-2026-68407

In the Linux kernel, the following vulnerability has been resolved: wifi: nl80211: free RNR data on MBSSID mismatch nl80211parsebeacon rejects EMA RNR data when there are fewer RNR entries than MBSSID entries. The rejected RNR allocation has not been attached to the beacon data yet, so free it...

UBUNTU-CVE-2026-68224

In the Linux kernel, the following vulnerability has been resolved: media: mali-c55: Fix possible ERRPTR in enablestreams The mediapadremotepadunique function returns either a valid pointer or an ERRPTR on failure -ENOTUNIQ if multiple links are enabled, -ENOLINK if no connected pad is found. The...

UBUNTU-CVE-2026-68217

In the Linux kernel, the following vulnerability has been resolved: media: pwc: Drain fillbuf on startstreaming failure pwcisocinit submits its isochronous URBs with usbsubmiturb.., GFPKERNEL in a loop. After the first URB is submitted, its completion handler pwcisochandler can run on another CPU...