CVE-2026-89459 s390/percpu: Fix MVIY_PERCPU() with older binutils

In the Linux kernel, the following vulnerability has been resolved: s390/percpu: Fix MVIYPERCPU with older binutils Commit a737737cdb9c "s390/percpu: Infrastructure for more efficient thiscpu operations" introduced MVIYPERCPU, which stringifies arguments that are already C string literals. This...

CVE-2026-89458 s390/dasd: Do not complete a failed ESE read as successful

In the Linux kernel, the following vulnerability has been resolved: s390/dasd: Do not complete a failed ESE read as successful dasdinthandler completes an NRF read of an unallocated ESE track by calling eseread and unconditionally marking the request DASDCQRSUCCESS. dasdeckdeseread can return an...

EUVD-2026-76364

In the Linux kernel, the following vulnerability has been resolved: s390/dasd: Do not complete a failed ESE read as successful dasdinthandler completes an NRF read of an unallocated ESE track by calling eseread and unconditionally marking the request DASDCQRSUCCESS. dasdeckdeseread can return an...

CVE-2026-89458

CVE-2026-89458 affects the s390/dasd driver in the Linux kernel. The function dasd_int_handler() completes an NRF read of an unallocated ESE track by calling ese_read() and unconditionally marking the request as DASD_CQR_SUCCESS. However, dasd_eckd_ese_read() can return an error before zeroing th...

CVE-2026-89458 s390/dasd: Do not complete a failed ESE read as successful

In the Linux kernel, the following vulnerability has been resolved: s390/dasd: Do not complete a failed ESE read as successful dasdinthandler completes an NRF read of an unallocated ESE track by calling eseread and unconditionally marking the request DASDCQRSUCCESS. dasdeckdeseread can return an...

CVE-2026-89457 s390/dasd: Guard sysfs discipline callbacks against unallocated private data

In the Linux kernel, the following vulnerability has been resolved: s390/dasd: Guard sysfs discipline callbacks against unallocated private data Several sysfs show/store handlers call a discipline callback that dereferences device-private, either directly or through the DASDDEFINEATTR macro. Duri...

CVE-2026-89456 s390/dasd: Propagate partial completion length across ERP recovery

In the Linux kernel, the following vulnerability has been resolved: s390/dasd: Propagate partial completion length across ERP recovery dasddefaulterppostaction copies the timing and device state from the finished ERP request back to the original request but drops procbytes. A request that was...

EUVD-2026-76363

In the Linux kernel, the following vulnerability has been resolved: s390/dasd: Guard sysfs discipline callbacks against unallocated private data Several sysfs show/store handlers call a discipline callback that dereferences device-private, either directly or through the DASDDEFINEATTR macro. Duri...

EUVD-2026-76362

In the Linux kernel, the following vulnerability has been resolved: s390/dasd: Propagate partial completion length across ERP recovery dasddefaulterppostaction copies the timing and device state from the finished ERP request back to the original request but drops procbytes. A request that was...

CVE-2026-89456

In the Linux kernel, the following vulnerability has been resolved: s390/dasd: Propagate partial completion length across ERP recovery dasddefaulterppostaction copies the timing and device state from the finished ERP request back to the original request but drops procbytes. A request that was...

CVE-2026-89456 s390/dasd: Propagate partial completion length across ERP recovery

In the Linux kernel, the following vulnerability has been resolved: s390/dasd: Propagate partial completion length across ERP recovery dasddefaulterppostaction copies the timing and device state from the finished ERP request back to the original request but drops procbytes. A request that was...

CVE-2026-89456

CVE-2026-89456 affects the Linux kernel 's s390/dasd (Direct Access Storage Device) driver. During error recovery path (ERP) processing, dasd_default_erp_postaction() fails to propagate the proc_bytes field from a finished ERP request back to the original request. When a disk read is partially co...

CVE-2026-89457

CVE-2026-89457 affects the s390/dasd subsystem in the Linux kernel. During dasd_generic_set_online(), a device's discipline is assigned before check_device() allocates device->private. Several sysfs show/store handlers dereference this pointer without a null check, so an unprivileged read of a...

CVE-2026-89457 s390/dasd: Guard sysfs discipline callbacks against unallocated private data

In the Linux kernel, the following vulnerability has been resolved: s390/dasd: Guard sysfs discipline callbacks against unallocated private data Several sysfs show/store handlers call a discipline callback that dereferences device-private, either directly or through the DASDDEFINEATTR macro. Duri...

CVE-2026-89455 PCI: plda: Fix use-after-free of event IRQs during teardown

In the Linux kernel, the following vulnerability has been resolved: PCI: plda: Fix use-after-free of event IRQs during teardown pldapcieirqdomaindeinit removes pcie-eventdomain via irqdomainremove, but the per-event IRQs mapped from that domain are requested with devmrequestirq in...

CVE-2026-89455

CVE-2026-89455 is a use-after-free vulnerability in the Linux kernel's PCI PLDA driver . During device teardown, irq_domain_remove() frees the event IRQ domain's internal data before the deferred free_irq() calls (managed by devres) execute, causing a later dereference of the already-freed domain...

EUVD-2026-76361

In the Linux kernel, the following vulnerability has been resolved: PCI: plda: Fix use-after-free of event IRQs during teardown pldapcieirqdomaindeinit removes pcie-eventdomain via irqdomainremove, but the per-event IRQs mapped from that domain are requested with devmrequestirq in...

CVE-2026-89455 PCI: plda: Fix use-after-free of event IRQs during teardown

In the Linux kernel, the following vulnerability has been resolved: PCI: plda: Fix use-after-free of event IRQs during teardown pldapcieirqdomaindeinit removes pcie-eventdomain via irqdomainremove, but the per-event IRQs mapped from that domain are requested with devmrequestirq in...

CVE-2026-89454 PCI: plda: Fix IRQ domain leaks in the error paths of plda_init_interrupts()

In the Linux kernel, the following vulnerability has been resolved: PCI: plda: Fix IRQ domain leaks in the error paths of pldainitinterrupts pldainitinterrupts initializes IRQ domains and creates IRQ mapping but does not unwind them when later step fails. If platformgetirq or either...

CVE-2026-89453 iommu/amd: Put PCI device after handling PPR faults

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Put PCI device after handling PPR faults iommucalliopfnotifier looks up the requester with pcigetdomainbusandslot, which returns a PCI device with its reference count incremented. Neither the successful...