ovmf: fix CVE-2024-1298

Backport a fix from upstream to resolve CVE-2024-1298 tianocore/edk2@284dbac Signed-off-by: Hongxu Jia <[email protected]>
openembedded · Dec 4, 2024 · af65d3e · af65d3e
1 parent c3d1be5
commit af65d3e
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diff --git a/meta/recipes-core/ovmf/ovmf/0001-MdeModulePkg-Potential-UINT32-overflow-in-S3-ResumeC.patch b/meta/recipes-core/ovmf/ovmf/0001-MdeModulePkg-Potential-UINT32-overflow-in-S3-ResumeC.patch
@@ -0,0 +1,51 @@
+From 63f29c180dd04d13614440740a8795ee422567b8 Mon Sep 17 00:00:00 2001
+From: Hongxu Jia <[email protected]>
+Date: Fri, 22 Nov 2024 17:43:28 +0800
+Subject: [PATCH] MdeModulePkg: Potential UINT32 overflow in S3 ResumeCount
+
+REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4677
+
+Attacker able to modify physical memory and ResumeCount.
+System will crash/DoS when ResumeCount reaches its MAX_UINT32.
+
+Cc: Zhiguang Liu <[email protected]>
+Cc: Dandan Bi <[email protected]>
+Cc: Liming Gao <[email protected]>
+
+Signed-off-by: Pakkirisamy ShanmugavelX <[email protected]>
+Reviewed-by: Liming Gao <[email protected]>
+
+CVE: CVE-2024-1298
+Upstream-Status: Backport [https://github.com/tianocore/edk2/commit/284dbac43da752ee34825c8b3f6f9e8281cb5a19]
+Signed-off-by: Hongxu Jia <[email protected]>
+---
+ .../FirmwarePerformancePei.c                         | 12 ++++++++----
+ 1 file changed, 8 insertions(+), 4 deletions(-)
+
+diff --git a/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTablePei/FirmwarePerformancePei.c b/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTablePei/FirmwarePerformancePei.c
+index 2f2b2a80b2..2ba9215226 100644
+--- a/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTablePei/FirmwarePerformancePei.c
++++ b/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTablePei/FirmwarePerformancePei.c
+@@ -112,11 +112,15 @@ FpdtStatusCodeListenerPei (
+   //
+   S3ResumeTotal = MultU64x32 (AcpiS3ResumeRecord->AverageResume, AcpiS3ResumeRecord->ResumeCount);
+   AcpiS3ResumeRecord->ResumeCount++;
+-  AcpiS3ResumeRecord->AverageResume = DivU64x32 (S3ResumeTotal + AcpiS3ResumeRecord->FullResume, AcpiS3ResumeRecord->ResumeCount);
++  if (AcpiS3ResumeRecord->ResumeCount > 0) {
++    AcpiS3ResumeRecord->AverageResume = DivU64x32 (S3ResumeTotal + AcpiS3ResumeRecord->FullResume, AcpiS3ResumeRecord->ResumeCount);
++    DEBUG ((DEBUG_INFO, "\nFPDT: S3 Resume Performance - AverageResume = 0x%x\n", AcpiS3ResumeRecord->AverageResume));
++  } else {
++    DEBUG ((DEBUG_ERROR, "\nFPDT: S3 ResumeCount reaches the MAX_UINT32 value. S3 ResumeCount record reset to Zero."));
++  }
+
+-  DEBUG ((DEBUG_INFO, "FPDT: S3 Resume Performance - ResumeCount   = %d\n", AcpiS3ResumeRecord->ResumeCount));
+-  DEBUG ((DEBUG_INFO, "FPDT: S3 Resume Performance - FullResume    = %ld\n", AcpiS3ResumeRecord->FullResume));
+-  DEBUG ((DEBUG_INFO, "FPDT: S3 Resume Performance - AverageResume = %ld\n", AcpiS3ResumeRecord->AverageResume));
++  DEBUG ((DEBUG_INFO, "FPDT: S3 Resume Performance - ResumeCount   = 0x%x\n", AcpiS3ResumeRecord->ResumeCount));
++  DEBUG ((DEBUG_INFO, "FPDT: S3 Resume Performance - FullResume    = 0x%x\n", AcpiS3ResumeRecord->FullResume));
+
+   //
+   // Update S3 Suspend Performance Record.
+-- 
+2.34.1
+
diff --git a/meta/recipes-core/ovmf/ovmf_git.bb b/meta/recipes-core/ovmf/ovmf_git.bb
@@ -54,6 +54,7 @@ SRC_URI = "gitsm://github.com/tianocore/edk2.git;branch=master;protocol=https \
            file://CVE-2022-36765-0002.patch \
            file://CVE-2022-36765-0003.patch \
            file://0001-MdePkg-Fix-overflow-issue-in-BasePeCoffLib.patch \
+           file://0001-MdeModulePkg-Potential-UINT32-overflow-in-S3-ResumeC.patch \
            "
 
 PV = "edk2-stable202202"