CVE-2023-53487

In the Linux kernel, the following vulnerability has been resolved: powerpc/rtasflash: allow user copy to flash block cache objects With hardened usercopy enabled CONFIGHARDENEDUSERCOPY=y, using the /proc/powerpc/rtas/firmwareupdate interface to prepare a system firmware update yields a BUG: kern...

SUSE CVE-2022-49955

In the Linux kernel, the following vulnerability has been resolved: powerpc/rtas: Fix RTAS MSRHV handling for Cell The semi-recent changes to MSR handling when entering RTAS firmware cause crashes on IBM Cell machines. An example trace: kernel tried to execute user page 2fff01a8 - exploit attempt...

UBUNTU-CVE-2022-49955

In the Linux kernel, the following vulnerability has been resolved: powerpc/rtas: Fix RTAS MSRHV handling for Cell The semi-recent changes to MSR handling when entering RTAS firmware cause crashes on IBM Cell machines. An example trace: kernel tried to execute user page 2fff01a8 - exploit attempt...