Update the KSPP recommendations

[kconfig-hardened-check.git] / kconfig_hardened_check / config_files / kspp-recommendations / kspp-recommendations-x86-32.config

diff --git a/kconfig_hardened_check/config_files/kspp-recommendations/kspp-recommendations-x86-32.config b/kconfig_hardened_check/config_files/kspp-recommendations/kspp-recommendations-x86-32.config
index 477d75c1dd1608cdc313bb723986657518df10fd..a382f411912194929c2d93cd524cba4b753d6534 100644 (file)
--- a/kconfig_hardened_check/config_files/kspp-recommendations/kspp-recommendations-x86-32.config
+++ b/kconfig_hardened_check/config_files/kspp-recommendations/kspp-recommendations-x86-32.config
@@ -1,5 +1,5 @@
 # CONFIGs
-# Linux/i386 5.4.0 Kernel Configuration
+# Linux/i386 5.14.0 Kernel Configuration
 
 # Report BUG() conditions and kill the offending process.
 CONFIG_BUG=y
@@ -80,6 +80,9 @@ CONFIG_REFCOUNT_FULL=y
 # Check for memory copies that might overflow a structure in str*() and mem*() functions both at build-time and run-time.
 CONFIG_FORTIFY_SOURCE=y
 
+# Avoid kernel memory address exposures via dmesg (sets sysctl kernel.dmesg_restrict initial value to 1)
+CONFIG_SECURITY_DMESG_RESTRICT=y
+
 # Dangerous; enabling this allows direct physical memory writing.
 # CONFIG_ACPI_CUSTOM_METHOD is not set
 
@@ -162,9 +165,15 @@ CONFIG_X86_PAE=y
 # Disallow allocating the first 64k of memory.
 CONFIG_DEFAULT_MMAP_MIN_ADDR=65536
 
+# Disable Model-Specific Register writes.
+# CONFIG_X86_MSR is not set
+
 # Randomize position of kernel.
 CONFIG_RANDOMIZE_BASE=y
 
+# Randomize kernel stack offset on syscall entry (since v5.13).
+CONFIG_RANDOMIZE_KSTACK_OFFSET_DEFAULT=y
+
 # Enable Kernel Page Table Isolation to remove an entire class of cache timing side-channels.
 CONFIG_PAGE_TABLE_ISOLATION=y