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...

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...

UBUNTU-CVE-2026-68305

In the Linux kernel, the following vulnerability has been resolved: drm/xe/vf: Add drmdev guards when detaching CCS read/write buffers CCS read/write buffers are freed during BO destruction. In some cases, BOs may be destroyed after the device is unbound but while the DRM structure remains valid,...

CVE-2026-68336

In the Linux kernel, the following vulnerability has been resolved: bonding: fix devconfall NULL dereference when IPv6 is disabled When booting with the 'ipv6.disable=1' parameter, the devconfall is never initialized because inet6init exits before addrconfinit is called which initializes it...

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...

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...

CVE-2026-68243

In the Linux kernel, the following vulnerability has been resolved: drm/i915/gem: Fix NULL deref in I915CONTEXTPARAMSSEU Setting context engine slot N into I915ENGINECLASSINVALID / I915ENGINECLASSINVALIDNONE and attempting to apply I915CONTEXTPARAMSSEU to the same slot N will deref NULL. Fix that...

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...

CVE-2026-68157

In the Linux kernel, the following vulnerability has been resolved: libceph: guard missing CRUSH type name lookup Localized read selection can walk a parent bucket whose name exists in the CRUSH map while its type has no matching entry in typenames. getimmediateparent then dereferences a NULL...

UBUNTU-CVE-2026-68378

In the Linux kernel, the following vulnerability has been resolved: dpll: fix NULL pointer dereference in dpllmsgaddpinrefsync When a dpllpin is shared across multiple dplldevice instances and those devices are being unregistered e.g. during driver module removal, a NULL pointer dereference can...

UBUNTU-CVE-2026-68243

In the Linux kernel, the following vulnerability has been resolved: drm/i915/gem: Fix NULL deref in I915CONTEXTPARAMSSEU Setting context engine slot N into I915ENGINECLASSINVALID / I915ENGINECLASSINVALIDNONE and attempting to apply I915CONTEXTPARAMSSEU to the same slot N will deref NULL. Fix that...

UBUNTU-CVE-2026-68197

In the Linux kernel, the following vulnerability has been resolved: wifi: mwifiex: fix NULL dereference when the AP has HT-cap but no HT-oper mwifiextdlsaddhtoper gates its follow-the-AP-bandwidth path on bssdesc-bcnhtcap being present, but then dereferences a different pointer, bssdesc-bcnhtoper...

UBUNTU-CVE-2026-68275

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: check amdgpuvmbofind result in GETMAPPINGINFO The AMDGPUGEMOPGETMAPPINGINFO path of amdgpugemopioctl looks up the bova for the buffer object in the caller's VM via amdgpuvmbofind, but uses the returned pointer without...

UBUNTU-CVE-2026-68261

In the Linux kernel, the following vulnerability has been resolved: drm/imagination: fix error checking of pvrvmcontextlookup Since pvrvmcontextlookup returns either NULL or a pointer, then stop using ISERR for checking the return value. Using ISERR leads to the kernel oops reported below. It can...

UBUNTU-CVE-2026-68157

In the Linux kernel, the following vulnerability has been resolved: libceph: guard missing CRUSH type name lookup Localized read selection can walk a parent bucket whose name exists in the CRUSH map while its type has no matching entry in typenames. getimmediateparent then dereferences a NULL...

UBUNTU-CVE-2026-68310

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7915: guard HE capability lookups mt7915mcubsshetlv and mt7915mcustabfertlv both run after checking HE support, then dereference the HE PHY capability returned by mt76connacgethephycap. That helper can return NULL...

UBUNTU-CVE-2026-68345

In the Linux kernel, the following vulnerability has been resolved: armmpam: guard MBWU state before adding it to garbage destroycomponentcfg adds each RIS mbwustate object to the MPAM garbage list when destroying component configuration. However, mbwustate is allocated per RIS and only for RISes...

UBUNTU-CVE-2026-68418

In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Prevent user-triggered null deref on QP create Previously, the user QP creation path would only attempt to populate iwqp-iwpbl if the user-provided req.userwqebufs field was non-zero. The problem is that iwqp-iwpbl is...

UBUNTU-CVE-2026-68273

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix context pstate override handling There are several problems in the context pstate handling code. The most serious ones are potential use-after-free and NULL pointer dereferences at context initialization time. Bot...

UBUNTU-CVE-2026-68300

In the Linux kernel, the following vulnerability has been resolved: sctp: auth: verify auth requirement when authchunk is NULL sctpauthchunkverify returns true unconditionally when chunk-authchunk is NULL, silently skipping authentication. This is incorrect when: 1. skbclone failed in the BH...