Race condition

DISPUTED The Linux kernel through 5.0.7, when CONFIGIA32AOUT is enabled and ia32aout is loaded, allows local users to bypass ASLR on setuid a.out programs if any exist because installexeccreds is called too late in loadaoutbinary in fs/binfmtaout.c, and thus the ptracemayaccess check has a race...

CVE-2019-11191

The CVE-2019-11191 entry describes a local ASLR bypass in the Linux kernel (up to 5.0.7) when CONFIG_IA32_AOUT is enabled and ia32_aout is loaded. The vulnerability arises because install_exec_creds() is invoked too late in load_aout_binary() (fs/binfmt_aout.c), creating a race in ptrace_may_acce...