diff options
Diffstat (limited to 'security/Kconfig')
| -rw-r--r-- | security/Kconfig | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/security/Kconfig b/security/Kconfig index f10dbf15c294..38ad111e07d0 100644 --- a/security/Kconfig +++ b/security/Kconfig @@ -164,18 +164,6 @@ config LSM_MMAP_MIN_ADDR this low address space will need the permission specific to the systems running LSM. -config HARDENED_USERCOPY - bool "Harden memory copies between kernel and userspace" - imply STRICT_DEVMEM - help - This option checks for obviously wrong memory regions when - copying memory to/from the kernel (via copy_to_user() and - copy_from_user() functions) by rejecting memory ranges that - are larger than the specified heap object, span multiple - separately allocated pages, are not on the process stack, - or are part of the kernel text. This prevents entire classes - of heap overflow exploits and similar kernel memory exposures. - config FORTIFY_SOURCE bool "Harden common str/mem functions against buffer overflows" depends on ARCH_HAS_FORTIFY_SOURCE |