CVE-2026-68176

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...

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-2026-68282

In the Linux kernel, the following vulnerability has been resolved: drm/rockchip: analogixdp: Add missing error check for platformgetresource Add missing error check for platformgetresource return value to prevent NULL pointer dereference when memory resource is not available...

UBUNTU-CVE-2026-68308

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: check pointer returned by mt76connacgethephycap mt76connacgethephycap routine can theoretically return NULL so check cap pointer before dereferencing it...

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-2026-68195

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7615: drop TXRXNOTIFY on non-mmio buses PKTTYPETXRXNOTIFY is an mmio-only event, but mt7615rxcheck and mt7615queuerxskb dispatch it to mt7615mactxfree on every bus. mt7615mactxfree cleans the DMA tx queues with...

CVE-2026-68194

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7921: drop TXRXNOTIFY on non-mmio buses PKTTYPETXRXNOTIFY is an mmio-only event, but mt7921rxcheck and mt7921queuerxskb dispatch it to mt7921mactxfree on every bus. mt7921mactxfree cleans the DMA tx queues with...

UBUNTU-CVE-2026-68235

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: dce100: skip non-DP stream encoders for DP MST On DCE8-class ASICs e.g. Bonaire, the resource pool contains digital DIG stream encoders plus one analog DAC encoder. When assigning a stream encoder for a second...

UBUNTU-CVE-2026-68307

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7925: fix crash in reset link replay During reset recovery, mt7925vifconnectiter replays firmware state for links tracked in mvif-validlinks. After MLO link changes or MCU timeout recovery, the driver bitmap can...

UBUNTU-CVE-2026-68191

In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix NULL pointer dereference in rhash table destroy When unbinding the ath12k driver, kernel NULL pointer dereferences occur in irqworksync called from rhashtabledestroy. Two hash tables are affected: 1. ath12klinks...

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-2026-68317

In the Linux kernel, the following vulnerability has been resolved: pdscore: fix auxiliary device add/del races Two paths add or delete the same slot pf-vfsvfid.padev: a VF's pdscresetdone and the PF's devlink enablevnet/disablevnet handler. They serialize on configlock, but neither guards the sl...

UBUNTU-CVE-2026-68385

In the Linux kernel, the following vulnerability has been resolved: s390/checksum: Fix csumpartial without vector facility Currently csumpartial calls csumcopy with copy=false and dst=NULL. On machines without the vector facility, csumcopy falls back to cksmdst, ..., causing the checksum to be...

CVE-2026-68306

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: fix possible NULL-pointer deref in mt7996mcustabfereht mt76connacgetehtphycap routine can theoretically return NULL so check cap pointer before dereferencing it...

UBUNTU-CVE-2026-68272

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: validate CPGFXSHADOW chunk size in CS pass1 Add a minimum-length check for the AMDGPUCHUNKIDCPGFXSHADOW chunk in amdgpucspass1, matching the gate already present for the IB, FENCE and BOHANDLES chunk types. The...

UBUNTU-CVE-2026-68337

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject redirect helpers without a bpfnetcontext The bpfredirect helpers and skbdoredirect obtain the per-task bpfredirectinfo via bpfnetctxgetri, which dereferences the current-bpfnetcontext unconditionally. That context is...

UBUNTU-CVE-2026-68239

In the Linux kernel, the following vulnerability has been resolved: drm/ttm: Account for NULL and handle pages in ttmpoolbackup Pages in ttmpoolbackup can be NULL or backup handles ttmbackuppageptrishandle, neither of which can be passed to setpagesarraywb or freed. Add a dedicated WB pass before...

UBUNTU-CVE-2026-68291

In the Linux kernel, the following vulnerability has been resolved: idpf: fix maxvport related crash on allocation error during init Set adapter-maxvports only after successful allocation of vports, netdevs and vportconfig buffers. This fixes possible crashes on reset or rmmod, following failed...

UBUNTU-CVE-2026-68226

In the Linux kernel, the following vulnerability has been resolved: media: cx23885: add ioremap return check and cleanup Add a check for the return value of pciioremapbar in cx23885devsetup. If ioremap for BAR0 fails, release the already allocated PCI memory region, decrement the device count, an...

UBUNTU-CVE-2026-68327

In the Linux kernel, the following vulnerability has been resolved: wan: wanxl: Only reset hardware after BAR mapping wanxlpciinitone stores the freshly allocated card in driver data before the PLX BAR is mapped. Several early probe failures then unwind through wanxlpciremoveone, including failur...