UBUNTU-CVE-2026-89929

In the Linux kernel, the following vulnerability has been resolved: KVM: nVM: Ensure INVVPID is emulated on the correct physical CPU When emulating INVVPID, KVM executes INVVPID on the physical CPU using vpid02 instead of the L1 assigned VPID, after doing some validations on the operands. However...

CVE-2026-89989

In the Linux kernel, the following vulnerability has been resolved: ima: Check for ERRPTR from dentrypath in validatehashalgo dentrypath returns ERRPTR-ENAMETOOLONG when the path exceeds the buffer. validatehashalgo passes the result straight to integrityauditmsg without checking. ERRPTR is not...

CVE-2026-89996

In the Linux kernel, the following vulnerability has been resolved: dma-buf: dma-heap: don't publish fd before copytouser succeeds DMAHEAPIOCTLALLOC allocates a dma-buf and installs an fd into the caller's fd table via dmabuffd - fdinstall before dmaheapioctl copies the result back to userspace. ...

CVE-2026-89998

In the Linux kernel, the following vulnerability has been resolved: dm: fix race when loading and unloading a table If the userspace calls two concurrent table load ioctls and one of them succeeds and the other fails, there is a race condition because dmsetupmdqueue walks &md-tabledevices without...

CVE-2026-89930

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Service local TLB flushes on failed nested VM-Enter KVM services local TLB flushes on "full" nested VM-Exits through nestedvmxvmexit, but not if a nested VM-Enter fails e.g. due to failed VMCS checks in...

CVE-2026-89931

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Ensure KVMREQGETNESTEDSTATEPAGES is cleared on VM-Exit Always check and clear KVMREQGETNESTEDSTATEPAGES when emulating a nested VM-Exit to ensure the request is cleared, even when KVM was built with CONFIGKVMHYPERV=n, ...

CVE-2026-89940

In the Linux kernel, the following vulnerability has been resolved: iio: buffer: Tie IIO dma fence lock lifetime to the fence The iiodmafence implementation currently uses a lock embedded in the iiodmabufpriv. But the iiodmafence can outlive the iiodmabufpriv, which can cause a use-after-free. Ti...

CVE-2026-89948

In the Linux kernel, the following vulnerability has been resolved: batman-adv: bla: fix freeing of claims on meshif deletion When the mesh interface is getting deleted, then batadvbladelbackboneclaims via batadvblapurgebackbonegw could make sure that all claims gets removed. But this function is...

CVE-2026-89942

In the Linux kernel, the following vulnerability has been resolved: iio: buffer: Fix potential use-after-free in anonymous buffer release An anonymous buffer handle holds a reference to the underlying IIO device. The reference is dropped in the buffer handle's release function. If the device has...

CVE-2026-89945

In the Linux kernel, the following vulnerability has been resolved: ASoC: cs35l34: drain threaded IRQ before runtime suspend cs35l34runtimesuspend currently switches the codec into regcachecacheonlytrue, asserts reset low, and powers the device off without first quiescing the threaded IRQ...

CVE-2026-89927

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: hyper-v: Clamp stimer deadline to avoid livelock Fix an issue where userspace or the guest can program an Hyper-V synthetic timer to have a deadline in the past via integer overflow, preventing the CPU from making...

CVE-2026-89928

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Consume the locked rmap value in the lockless rmap walk kvmrmaplock deliberately elides the rmap lock when it observes an empty rmap. In that case kvmrmaplockreadonly also re-enables preemption and returns zero, so...

UBUNTU-CVE-2026-90010

In the Linux kernel, the following vulnerability has been resolved: scsi: bsg: Cap iouring sense copy to maxresponselen Completion copied scmd-senselen to the user response buffer without honoring maxresponselen. After a valid sense, the midlayer sets senselen to the real length up to...

UBUNTU-CVE-2026-89916

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Make VNCR invalidation participate in MMU invalidation retry A VNCR TLB invalidation can occur on one vcpu while another vcpu is faulting in this same page. Without correctly handling this, we can end up with the...

UBUNTU-CVE-2026-89992

In the Linux kernel, the following vulnerability has been resolved: cpuidle: dtidlegenpd: kfree the original name allocation dtidlepdalloc kasprintfs the full node path, then points pd-name at kbasename of that string. dtidlepdfree kfrees pd-name, which is no longer the start of the allocation...

UBUNTU-CVE-2026-89933

In the Linux kernel, the following vulnerability has been resolved: iio: pressure: dps310: fix NULL pointer dereference on ACPI probe When the device is enumerated through its ACPI HID IFX3100, i2cclientgetdeviceid returns NULL: the ACPI-derived client name does not match the driver's i2cdeviceid...

UBUNTU-CVE-2026-89973

In the Linux kernel, the following vulnerability has been resolved: nvme-tcp: check the data direction of a C2HData PDU nvmetcphandlec2hdata finds the request by command id and checks that it has a payload, but it does not check that the command asked for data to be read. A controller that answer...

UBUNTU-CVE-2026-89996

In the Linux kernel, the following vulnerability has been resolved: dma-buf: dma-heap: don't publish fd before copytouser succeeds DMAHEAPIOCTLALLOC allocates a dma-buf and installs an fd into the caller's fd table via dmabuffd - fdinstall before dmaheapioctl copies the result back to userspace. ...

UBUNTU-CVE-2026-89926

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Fix length check importwpinfo struct kvmhwbreakpoint::len is a u64 that is fully controlled by user space. This is then assigned to wpinfo-len, which is an int. The bounds check is done on the truncated value while the...

UBUNTU-CVE-2026-89982

In the Linux kernel, the following vulnerability has been resolved: i2c: mux: Fix channel node leak on adapter add failure i2cmuxaddadapter takes a reference to the Device Tree channel node before registering the new adapter. If adapter registration fails, the error path frees the private data...