Add CVE-2023-21102

Signed-off-by: Denis Efremov <efremov@linux.com>
evdenis · Sep 13, 2023 · 8f342d2 · 8f342d2
1 parent c7aeefc
commit 8f342d2
Showing 1 changed file with 37 additions and 0 deletions.
diff --git a/cvehound/cve/CVE-2023-21102.cocci b/cvehound/cve/CVE-2023-21102.cocci
@@ -0,0 +1,37 @@
+/// Files: arch/arm64/kernel/efi.c drivers/acpi/prmt.c
+/// Fix: ff7a167961d1b97e0e205f245f806e564d3505e7
+/// Fixes: cefc7ca46235f01d5233e3abd4b79452af01d9e9
+
+virtual detect
+
+@efi_call@
+@@
+
+acpi_platformrt_space_handler(...)
+{
+	...
+*	efi_call_virt_pointer(...)
+	...
+}
+
+@rt_stack_top@
+symbol efi_rt_stack_top;
+typedef u64;
+@@
+
+* u64 *efi_rt_stack_top;
+
+@err depends on efi_call && !rt_stack_top@
+position p;
+@@
+
+efi_set_mapping_permissions@p(...)
+{
+	...
+}
+
+@script:python depends on detect@
+p << err.p;
+@@
+
+coccilib.report.print_report(p[0], 'ERROR: CVE-2023-21102')