diff --git a/meta-arm/recipes-bsp/uefi/sbsa-acs/0001-BaseTools-fix-gcc12-warning-1.patch b/meta-arm/recipes-bsp/uefi/sbsa-acs/0001-BaseTools-fix-gcc12-warning-1.patch
new file mode 100644
index 00000000..565ba111
--- /dev/null
+++ b/meta-arm/recipes-bsp/uefi/sbsa-acs/0001-BaseTools-fix-gcc12-warning-1.patch
@@ -0,0 +1,51 @@
+From b0a0b7b605aeb8106e7b50d1efeb746f401498cc Mon Sep 17 00:00:00 2001
+From: Gerd Hoffmann <kraxel@redhat.com>
+Date: Thu, 24 Mar 2022 20:04:35 +0800
+Subject: [PATCH] BaseTools: fix gcc12 warning
+
+Sdk/C/LzmaEnc.c: In function ?LzmaEnc_CodeOneMemBlock?:
+Sdk/C/LzmaEnc.c:2828:19: error: storing the address of local variable ?outStream? in ?*p.rc.outStream? [-Werror=dangling-pointer=]
+ 2828 |   p->rc.outStream = &outStream.vt;
+      |   ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~
+Sdk/C/LzmaEnc.c:2811:28: note: ?outStream? declared here
+ 2811 |   CLzmaEnc_SeqOutStreamBuf outStream;
+      |                            ^~~~~~~~~
+Sdk/C/LzmaEnc.c:2811:28: note: ?pp? declared here
+Sdk/C/LzmaEnc.c:2828:19: error: storing the address of local variable ?outStream? in ?*(CLzmaEnc *)pp.rc.outStream? [-Werror=dangling-pointer=]
+ 2828 |   p->rc.outStream = &outStream.vt;
+      |   ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~
+Sdk/C/LzmaEnc.c:2811:28: note: ?outStream? declared here
+ 2811 |   CLzmaEnc_SeqOutStreamBuf outStream;
+      |                            ^~~~~~~~~
+Sdk/C/LzmaEnc.c:2811:28: note: ?pp? declared here
+cc1: all warnings being treated as errors
+
+Upstream-Status: Backport [https://github.com/tianocore/edk2/commit/85021f8cf22d1bd4114803c6c610dea5ef0059f1]
+Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
+Reviewed-by: Bob Feng <bob.c.feng@intel.com>
+---
+ BaseTools/Source/C/LzmaCompress/Sdk/C/LzmaEnc.c | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/BaseTools/Source/C/LzmaCompress/Sdk/C/LzmaEnc.c b/BaseTools/Source/C/LzmaCompress/Sdk/C/LzmaEnc.c
+index 4e9b499f8d..4b9f5fa692 100644
+--- a/BaseTools/Source/C/LzmaCompress/Sdk/C/LzmaEnc.c
++++ b/BaseTools/Source/C/LzmaCompress/Sdk/C/LzmaEnc.c
+@@ -2825,12 +2825,13 @@ SRes LzmaEnc_CodeOneMemBlock(CLzmaEncHandle pp, BoolInt reInit,
+ 
+   nowPos64 = p->nowPos64;
+   RangeEnc_Init(&p->rc);
+-  p->rc.outStream = &outStream.vt;
+ 
+   if (desiredPackSize == 0)
+     return SZ_ERROR_OUTPUT_EOF;
+ 
++  p->rc.outStream = &outStream.vt;
+   res = LzmaEnc_CodeOneBlock(p, desiredPackSize, *unpackSize);
++  p->rc.outStream = NULL;
+ 
+   *unpackSize = (UInt32)(p->nowPos64 - nowPos64);
+   *destLen -= outStream.rem;
+-- 
+2.36.1
+
diff --git a/meta-arm/recipes-bsp/uefi/sbsa-acs/0001-BaseTools-fix-gcc12-warning.patch b/meta-arm/recipes-bsp/uefi/sbsa-acs/0001-BaseTools-fix-gcc12-warning.patch
new file mode 100644
index 00000000..f2142de2
--- /dev/null
+++ b/meta-arm/recipes-bsp/uefi/sbsa-acs/0001-BaseTools-fix-gcc12-warning.patch
@@ -0,0 +1,42 @@
+From 2435c17e56652479315853cec5b91fb0ea0911a3 Mon Sep 17 00:00:00 2001
+From: Gerd Hoffmann <kraxel@redhat.com>
+Date: Thu, 24 Mar 2022 20:04:34 +0800
+Subject: [PATCH] BaseTools: fix gcc12 warning
+
+GenFfs.c:545:5: error: pointer ?InFileHandle? used after ?fclose? [-Werror=use-after-free]
+  545 |     Error(NULL, 0, 4001, "Resource", "memory cannot be allocated  of %s", InFileHandle);
+      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+GenFfs.c:544:5: note: call to ?fclose? here
+  544 |     fclose (InFileHandle);
+      |     ^~~~~~~~~~~~~~~~~~~~~
+
+Upstream-Status: Backport [https://github.com/tianocore/edk2/commit/7b005f344e533cd913c3ca05b266f9872df886d1]
+Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
+Reviewed-by: Bob Feng <bob.c.feng@intel.com>
+---
+ BaseTools/Source/C/GenFfs/GenFfs.c | 2 +-
+ BaseTools/Source/C/GenSec/GenSec.c | 2 +-
+ 2 files changed, 2 insertions(+), 2 deletions(-)
+
+--- a/BaseTools/Source/C/GenFfs/GenFfs.c
++++ b/BaseTools/Source/C/GenFfs/GenFfs.c
+@@ -542,7 +542,7 @@ GetAlignmentFromFile(char *InFile, UINT3
+   PeFileBuffer = (UINT8 *) malloc (PeFileSize);
+   if (PeFileBuffer == NULL) {
+     fclose (InFileHandle);
+-    Error(NULL, 0, 4001, "Resource", "memory cannot be allocated  of %s", InFileHandle);
++    Error(NULL, 0, 4001, "Resource", "memory cannot be allocated for %s", InFile);
+     return EFI_OUT_OF_RESOURCES;
+   }
+   fread (PeFileBuffer, sizeof (UINT8), PeFileSize, InFileHandle);
+--- a/BaseTools/Source/C/GenSec/GenSec.c
++++ b/BaseTools/Source/C/GenSec/GenSec.c
+@@ -1062,7 +1062,7 @@ GetAlignmentFromFile(char *InFile, UINT3
+   PeFileBuffer = (UINT8 *) malloc (PeFileSize);
+   if (PeFileBuffer == NULL) {
+     fclose (InFileHandle);
+-    Error(NULL, 0, 4001, "Resource", "memory cannot be allocated  of %s", InFileHandle);
++    Error(NULL, 0, 4001, "Resource", "memory cannot be allocated for %s", InFile);
+     return EFI_OUT_OF_RESOURCES;
+   }
+   fread (PeFileBuffer, sizeof (UINT8), PeFileSize, InFileHandle);
diff --git a/meta-arm/recipes-bsp/uefi/sbsa-acs_3.1.bb b/meta-arm/recipes-bsp/uefi/sbsa-acs_3.1.bb
index 5eb67677..a1e896b5 100644
--- a/meta-arm/recipes-bsp/uefi/sbsa-acs_3.1.bb
+++ b/meta-arm/recipes-bsp/uefi/sbsa-acs_3.1.bb
@@ -8,11 +8,17 @@ SRC_URI += "git://github.com/ARM-software/sbsa-acs;destsuffix=edk2/ShellPkg/Appl
             git://github.com/tianocore/edk2-libc;destsuffix=edk2/edk2-libc;protocol=https;branch=master;name=libc \
             file://shell.patch \
             file://use_bfd_linker.patch \
+            file://0001-BaseTools-fix-gcc12-warning.patch \
+            file://0001-BaseTools-fix-gcc12-warning-1.patch \
             "
 
 SRCREV_acs = "ec02a7736ae5714326507c60595f4d5299e3dec8"
 SRCREV_libc = "61687168fe02ac4d933a36c9145fdd242ac424d1"
 
+# GCC12 trips on it
+#see https://src.fedoraproject.org/rpms/edk2/blob/rawhide/f/0032-Basetools-turn-off-gcc12-warning.patch
+BUILD_CFLAGS += "-Wno-error=stringop-overflow"
+
 COMPATIBLE_HOST = "aarch64.*-linux"
 COMPATIBLE_MACHINE = ""
 PACKAGE_ARCH = "${TUNE_PKGARCH}"