CVE-2023-52499

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...

CVE-2023-52499

The CVE-2023-52499 entry documents a Linux kernel issue on powerpc/47x where a flaw in ret_from_syscall causes 47x syscall return crashes during boot. The root cause, as described, is a faulty branch back after an icache flush, due to commit 6f76a01173cc that removed the 1 label and caused mis-br...