CVE-2024-36926 powerpc/pseries/iommu: LPAR panics during boot up with a frozen PE

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries/iommu: LPAR panics during boot up with a frozen PE At the time of LPAR boot up, partition firmware provides Open Firmware property ibm,dma-window for the PE. This property is provided on the PCI bus the PE is...

CVE-2024-36926

CVE-2024-36926 affects the Linux kernel on PowerPC pseries hardware, where LPARs boot with a frozen PE may lack the ibm,dma-window property. This can cause a NULL pointer dereference while configuring PCI, leading to an oops/panic during boot. The vulnerability is described with kernel traces (pc...

CVE-2021-47337

In the Linux kernel, the following vulnerability has been resolved: scsi: core: Fix bad pointer dereference when ehandler kthread is invalid Commit 66a834d09293 "scsi: core: Fix error handling of scsihostalloc" changed the allocation logic to call putdevice to perform host cleanup with the...

CVE-2021-47337

The CVE-2021-47337 issue is in the Linux kernel SCSI core path: when an error arises during scsi_host_alloc() and the error-handling ehandler thread fails to spawn, shost->ehandler may be set to ERR_PTR(-ENOMEM) and scsi_host_dev_release() would call kthread_stop() on a NULL/invalid pointer, r...

CVE-2023-52499 powerpc/47x: Fix 47x syscall return crash

In the Linux kernel, the following vulnerability has been resolved: powerpc/47x: Fix 47x syscall return crash Eddie reported that newer kernels were crashing during boot on his 476 FSP2 system: kernel tried to execute user page b7ee2000 - exploit attempt? uid: 0 BUG: Unable to handle kernel...