CVE-2019-5595

In FreeBSD before 11.2-STABLEr343782, 11.2-RELEASE-p9, 12.0-STABLEr343781, and 12.0-RELEASE-p3, kernel callee-save registers are not properly sanitized before return from system calls, potentially allowing some kernel data used in the system call to be exposed...

CVE-2019-5595

CVE-2019-5595 affects FreeBSD kernels prior to 11.2-STABLE(r343782), 11.2-RELEASE-p9, 12.0-STABLE(r343781), and 12.0-RELEASE-p3. The issue is that callee-save registers are not properly sanitized before returning from syscalls, potentially leaking kernel data used in the syscall. The impact is ex...

FreeBSD : FreeBSD -- System call kernel data register leak (683c714d-2d91-11e9-bf3e-a4badb2f4699)

The callee-save registers are used by kernel and for some of them %r8, %r10, and for non-PTI configurations, %r9 the content is not sanitized before return from syscalls, potentially leaking sensitive information. Impact : Typically an address of some kernel data structure used in the syscall...