CVE-2026-80691 scsi: target: iblock: Fix wrong PR ops NULL check for PREEMPT/RELEASE

In the Linux kernel, the following vulnerability has been resolved: scsi: target: iblock: Fix wrong PR ops NULL check for PREEMPT/RELEASE In the iblockexecuteprout function, PROPREEMPT, PROPREEMPTANDABORT, and PRORELEASE all perform callback capability checks through ops-prclear. The error check...

CVE-2026-80689 tracing/mmiotrace: Add NULL check for mmio_trace_array in logging functions

In the Linux kernel, the following vulnerability has been resolved: tracing/mmiotrace: Add NULL check for mmiotracearray in logging functions mmiotracerw and mmiotracemapping retrieve mmiotracearray into tr and pass it to tracemmiotracerw and tracemmiotracemap. If these functions are invoked whil...

CVE-2026-80688 riscv: drop __init from vec_check_unaligned_access_speed_all_cpus

In the Linux kernel, the following vulnerability has been resolved: riscv: drop init from veccheckunalignedaccessspeedallcpus This function runs within a kthread and need not necessarily finish before system finishes boot and freeinitmem unmaps the .init.text section. This function makes calls to...

CVE-2026-80687 iommufd/viommu: Release the igroup lock on the vdevice_size error path

In the Linux kernel, the following vulnerability has been resolved: iommufd/viommu: Release the igroup lock on the vdevicesize error path iommufdvdeviceallocioctl takes idev-igroup-lock, then validates the driver's vdevicesize against the core structure size with a WARNONONCE. On failure that gua...

CVE-2026-80685 mm/util: don't read __page_2 for order-1 folios in snapshot_page()

In the Linux kernel, the following vulnerability has been resolved: mm/util: don't read page2 for order-1 folios in snapshotpage snapshotpage currently reads page2 after checking nrpages 1, but it should only do so when nrpages 2. If an order-1 folio is allocated at the end of a vmemmap section,...

CVE-2026-80686 mm: migrate_device: fix pte_pfn/pte_dirty called on non-present PTE

In the Linux kernel, the following vulnerability has been resolved: mm: migratedevice: fix ptepfn/ptedirty called on non-present PTE ptepfn and ptedirty have undefined behaviour when called on a non-present PTE. In migratevmacollectpmd, these functions may be invoked on non-present entries e.g.,...

CVE-2026-80683 Bluetooth: SCO: give the socket its own sco_conn reference

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: SCO: give the socket its own scoconn reference scoconndel drops a reference it does not own. It takes one transient reference via scoconnholdunlesszero and releases it with the scoconnput that follows scosockhold; the...

CVE-2026-80684 KVM: s390: pci: Fix NULL dereference on AIBV allocation failure

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: pci: Fix NULL dereference on AIBV allocation failure The airqivcreate can return NULL on failure, but the return value was never checked. If it fails, zdev-aibv will be NULL and fail when dereferenced in kvmzpcisetairq...

CVE-2026-80682 riscv/mm: use physical alignment for vmemmap_start_pfn

In the Linux kernel, the following vulnerability has been resolved: riscv/mm: use physical alignment for vmemmapstartpfn RISC-V computes vmemmapstartpfn by rounding physrambase down to VMEMMAPADDRALIGN. That alignment must therefore be expressed in the physical-address domain. Commit 476849b0fba4...

CVE-2026-80680 i2c: amd-mp2: Unregister callback on adapter add failure

In the Linux kernel, the following vulnerability has been resolved: i2c: amd-mp2: Unregister callback on adapter add failure amdmp2registercb stores the platform I2C context in the MP2 PCI driver's callback table before the adapter is registered. If i2caddadapter fails, probe returns and devres...

CVE-2026-80681 vxlan: re-fetch eth header after route_shortcircuit()

In the Linux kernel, the following vulnerability has been resolved: vxlan: re-fetch eth header after routeshortcircuit Before routeshortcircuit, the eth header pointer is cached from ethhdrskb. Inside routeshortcircuit, pskbmaypull can be called, which may reallocate skb-head. In this case,...

CVE-2026-80678 i2c: imx: Fix slave registration race and error handling

In the Linux kernel, the following vulnerability has been resolved: i2c: imx: Fix slave registration race and error handling In i2cimxregslave, the slave pointer was assigned before pmruntimeresumeandget. If pmruntimeresumeandget failed, the error path returned without clearing i2cimx-slave,...

CVE-2026-80679 s390/dasd: Fix potential NULL pointer dereference

In the Linux kernel, the following vulnerability has been resolved: s390/dasd: Fix potential NULL pointer dereference dasdreleasespace checks the implementation of the isese discipline function before calling it to determine if a given device is an ESE DASD. The current usage of the logical AND...

CVE-2026-80677 driver core: use READ_ONCE() for dev->driver in dev_has_sync_state()

In the Linux kernel, the following vulnerability has been resolved: driver core: use READONCE for dev-driver in devhassyncstate devhassyncstate reads dev-driver twice without holding devicelock -- once for the NULL check and once to dereference -syncstate. Some callers only hold...

CVE-2026-80675 libbpf: Reject non-exclusive metadata maps in the signed loader

In the Linux kernel, the following vulnerability has been resolved: libbpf: Reject non-exclusive metadata maps in the signed loader The loader verifies map-sha against the metadata hash in its instructions. map-sha is calculated when BPFOBJGETINFOBYFD is called on the frozen map. While the map is...

CVE-2026-80676 Drivers: hv: vmbus: use generic driver_override infrastructure

In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: use generic driveroverride infrastructure When a driver is probed through driverattach, the bus' match callback is called without the device lock held, thus accessing the driveroverride field without a lock,...

CVE-2026-80674 ntfs: validate resident attribute lists and harden the validator

In the Linux kernel, the following vulnerability has been resolved: ntfs: validate resident attribute lists and harden the validator A base inode's $ATTRIBUTELIST is sanity-checked by loadattributelist only on the non-resident path; ntfsreadlockedinode copies a resident attribute list into...

CVE-2026-80672 ntfs: fix u16 truncation of restart-area length check

In the Linux kernel, the following vulnerability has been resolved: ntfs: fix u16 truncation of restart-area length check ntfscheckrestartarea validates that the $LogFile restart area and its trailing log client record array fit within the system page size: u16 raofs, ralen, caofs; ... ralen =...

CVE-2026-80673 ntfs: bound the look-ahead attribute-list entry in ntfs_external_attr_find()

In the Linux kernel, the following vulnerability has been resolved: ntfs: bound the look-ahead attribute-list entry in ntfsexternalattrfind When resolving an attribute lookup with a non-zero @lowestvcn, ntfsexternalattrfind peeks at the next $ATTRIBUTELIST entry to decide whether to keep searchin...

CVE-2026-80670 perf tools: Use perf_env__get_cpu_topology() in machine__resolve()

In the Linux kernel, the following vulnerability has been resolved: perf tools: Use perfenvgetcputopology in machineresolve machineresolve accesses env-cpual-cpu.socketid after checking al-cpu = 0 and env-cpu != NULL, but without validating al-cpu against env-nrcpusavail. Since al-cpu comes from...