UBUNTU-CVE-2026-68101

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix check in amdgpuhmminvalidategfx For a short moment during alloc/free the userptr BO is not part of his VM, so bo-vmbo can be NULL. Keep a reference to the VM root PD as parent of the userptr BO so that we can alwa...

CVE-2026-68418 RDMA/irdma: Prevent user-triggered null deref on QP create

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...

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...

EUVD-2026-55564

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...

CVE-2026-68378 dpll: fix NULL pointer dereference in dpll_msg_add_pin_ref_sync()

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...

CVE-2026-68362 wifi: ath11k: fix NULL pointer dereference in ath11k_hal_srng_access_begin

In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: fix NULL pointer dereference in ath11khalsrngaccessbegin In ATH11KQMIEVENTFWREADY, ATH11KFLAGREGISTERED is set unconditionally even when ath11kcoreqmifirmwareready fails. This leaves the driver in an inconsistent...

EUVD-2026-55463

In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: fix NULL pointer dereference in ath11khalsrngaccessbegin In ATH11KQMIEVENTFWREADY, ATH11KFLAGREGISTERED is set unconditionally even when ath11kcoreqmifirmwareready fails. This leaves the driver in an inconsistent...

CVE-2026-68362 wifi: ath11k: fix NULL pointer dereference in ath11k_hal_srng_access_begin

In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: fix NULL pointer dereference in ath11khalsrngaccessbegin In ATH11KQMIEVENTFWREADY, ATH11KFLAGREGISTERED is set unconditionally even when ath11kcoreqmifirmwareready fails. This leaves the driver in an inconsistent...

CVE-2026-68362

CVE-2026-68362 concerns the Linux kernel driver ath11k. The issue was a NULL pointer dereference in ath11k_hal_srng_access_begin triggered by improper firmware_ready handling: ATH11K_QMI_EVENT_FW_READY would set ATH11K_FLAG_REGISTERED unconditionally, even if ath11k_core_qmi_firmware_ready() fail...

CVE-2026-68345 arm_mpam: guard MBWU state before adding it to garbage

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...

CVE-2026-68345

CVE-2026-68345 : In the Linux kernel, the vulnerability arises in arm_mpam where __destroy_component_cfg() adds each RIS mbwu_state to the MPAM garbage list. Since mbwu_state is allocated per RIS only for RISes with MBWU monitors, a component can have comp->cfg allocated while some RISes have ...

EUVD-2026-55446

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...

CVE-2026-68337 bpf: Reject redirect helpers without a bpf_net_context

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...

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-2026-68336 bonding: fix devconf_all NULL dereference when IPv6 is disabled

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-2026-68334 rxrpc: fix io_thread race in rxrpc_wake_up_io_thread()

In the Linux kernel, the following vulnerability has been resolved: rxrpc: fix iothread race in rxrpcwakeupiothread rxrpcwakeupiothread checks local-iothread before waking it, but then reloads the pointer for wakeupprocess. local-iothread is cleared with WRITEONCE when the I/O thread exits, so th...

CVE-2026-68328 nfp: Check resource mutex allocation

In the Linux kernel, the following vulnerability has been resolved: nfp: Check resource mutex allocation nfpcppresourcefind allocates a CPP mutex handle for the matching resource-table entry and then reports success. nfpresourcetryacquire immediately passes that handle to nfpcppmutextrylock...

CVE-2026-68328

The CVE relates to the Linux kernel nfp subsystem. Specifically, nfp_cpp_resource_find() allocates a CPP mutex handle for a matching resource-table entry, and nfp_resource_try_acquire() passes that handle to nfp_cpp_mutex_trylock(). If nfp_cpp_mutex_alloc() fails and returns NULL, the resource lo...

EUVD-2026-55428

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...

CVE-2026-68327 wan: wanxl: Only reset hardware after BAR mapping

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...