The vulnerability of the `remove_phb_dynamic()` function in the `arch/powerpc/platforms/pseries/pci_dlpar.c` module exposes the security of PowerPC-based Linux operating systems, allowing attackers to compromise the confidentiality, integrity, and accessibility of protected information.

The vulnerability of the removephbdynamic function in the arch/powerpc/platforms/pseries/pcidlpar.c module relates to the use of memory after it is freed. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of protected information...

CVE-2022-49196 powerpc/pseries: Fix use after free in remove_phb_dynamic()

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Fix use after free in removephbdynamic In removephbdynamic we use &phb-ioresource, after we've called deviceunregister&hostbridge-dev. But the unregister may have freed phb, because pcibiosfreecontrollerdeferred ...

CVE-2022-49196

The Linux kernel contains a use-after-free vulnerability in the powerpc/pseries component, specifically within the remove_phb_dynamic() function located in arch/powerpc/platforms/pseries/pci_dlpar.c. The root cause is that the code accesses &phb->io_resource after calling device_unregister(&ho...

GSD-2022-1001828 powerpc/pseries: Fix use after free in remove_phb_dynamic()

powerpc/pseries: Fix use after free in removephbdynamic This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15.33 by commit...

GSD-2022-1001193 powerpc/pseries: Fix use after free in remove_phb_dynamic()

powerpc/pseries: Fix use after free in removephbdynamic This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.17.2 by commit...