8e51a8153a
- edk2-MdeModulePkg-Change-use-of-EFI_D_-to-DEBUG_.patch [RHEL-21854 RHEL-21856 RHEL-40099] - edk2-MdeModulePkg-Potential-UINT32-overflow-in-S3-ResumeC.patch [RHEL-21854 RHEL-21856 RHEL-40099] - edk2-MdePkg-Apply-uncrustify-changes.patch [RHEL-21854 RHEL-21856 RHEL-40099] - edk2-NetworkPkg-Apply-uncrustify-changes.p2.patch [RHEL-21854 RHEL-21856 RHEL-40099] - edk2-SecurityPkg-RngDxe-Rename-RdRandGenerateEntropy-to-g.patch [RHEL-21854 RHEL-21856 RHEL-40099] - edk2-SecurityPkg-RngDxe-Remove-ArchGetSupportedRngAlgorit.patch [RHEL-21854 RHEL-21856 RHEL-40099] - edk2-SecurityPkg-RngDxe-Documentation-include-parameter-c.patch [RHEL-21854 RHEL-21856 RHEL-40099] - edk2-SecurityPkg-RngDxe-Check-before-advertising-Cpu-Rng-.patch [RHEL-21854 RHEL-21856 RHEL-40099] - edk2-SecurityPkg-RngDxe-Add-AArch64-RawAlgorithm-support-.patch [RHEL-21854 RHEL-21856 RHEL-40099] - edk2-SecurityPkg-RngDxe-Add-debug-warning-for-NULL-PcdCpu.patch [RHEL-21854 RHEL-21856 RHEL-40099] - edk2-SecurityPkg-RngDxe-Rename-AArch64-RngDxe.c.patch [RHEL-21854 RHEL-21856 RHEL-40099] - edk2-SecurityPkg-RngDxe-Add-Arm-support-of-RngDxe.patch [RHEL-21854 RHEL-21856 RHEL-40099] - edk2-SecurityPkg-RngDxe-Correctly-update-mAvailableAlgoAr.patch [RHEL-21854 RHEL-21856 RHEL-40099] - edk2-SecurityPkg-RngDxe-Conditionally-install-EFI_RNG_PRO.patch [RHEL-21854 RHEL-21856 RHEL-40099] - edk2-MdeModulePkg-Duplicate-BaseRngLibTimerLib-to-MdeModu.patch [RHEL-21854 RHEL-21856 RHEL-40099] - edk2-MdePkg-Add-deprecated-warning-to-BaseRngLibTimer.patch [RHEL-21854 RHEL-21856 RHEL-40099] - edk2-SecurityPkg-SecurityPkg.dec-Move-PcdCpuRngSupportedA.patch [RHEL-21854 RHEL-21856 RHEL-40099] - edk2-MdePkg-DxeRngLib-Request-raw-algorithm-instead-of-de.patch [RHEL-21854 RHEL-21856 RHEL-40099] - edk2-MdePkg-Rng-Add-GUID-to-describe-Arm-Rndr-Rng-algorit.patch [RHEL-21854 RHEL-21856 RHEL-40099] - edk2-MdeModulePkg-Rng-Add-GUID-to-describe-unsafe-Rng-alg.patch [RHEL-21854 RHEL-21856 RHEL-40099] - edk2-MdePkg-Rng-Add-GetRngGuid-to-RngLib.patch [RHEL-21854 RHEL-21856 RHEL-40099] - edk2-SecurityPkg-RngDxe-Use-GetRngGuid-when-probing-RngLi.patch [RHEL-21854 RHEL-21856 RHEL-40099] - edk2-SecurityPkg-RngDxe-Simplify-Rng-algorithm-selection-.patch [RHEL-21854 RHEL-21856 RHEL-40099] - edk2-NetworkPkg-SECURITY-PATCH-CVE-2023-45237.patch [RHEL-21854 RHEL-21856 RHEL-40099] - edk2-MdePkg-BaseRngLib-Add-a-smoketest-for-RDRAND-and-che.patch [RHEL-21854 RHEL-21856 RHEL-40099] - edk2-SecurityPkg-RngDxe-add-rng-test.patch [RHEL-21854 RHEL-21856 RHEL-40099] - edk2-OvmfPkg-wire-up-RngDxe.patch [RHEL-21854 RHEL-21856 RHEL-40099] - edk2-CryptoPkg-Test-call-ProcessLibraryConstructorList.patch [RHEL-21854 RHEL-21856 RHEL-40099] - edk2-MdePkg-X86UnitTestHost-set-rdrand-cpuid-bit.patch [RHEL-21854 RHEL-21856 RHEL-40099] - edk2-NetworkPkg-TcpDxe-SECURITY-PATCH-CVE-2023-45236.patch [RHEL-21854 RHEL-21856 RHEL-40099] - edk2-NetworkPkg-TcpDxe-Fixed-system-stuck-on-PXE-boot-flo.patch [RHEL-21854 RHEL-21856 RHEL-40099] - Resolves: RHEL-21854 (CVE-2023-45236 edk2: Predictable TCP Initial Sequence Numbers [rhel-8]) - Resolves: RHEL-21856 (CVE-2023-45237 edk2: Use of a Weak PseudoRandom Number Generator [rhel-8]) - Resolves: RHEL-40099 (CVE-2024-1298 edk2: Temporary DoS vulnerability [rhel-8.10.z])
79 lines
2.6 KiB
Diff
79 lines
2.6 KiB
Diff
From 1a0bf45b088e05f6eb7edaa0d24aec894ea3491b Mon Sep 17 00:00:00 2001
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From: Jon Maloy <jmaloy@redhat.com>
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Date: Thu, 20 Jun 2024 16:11:16 -0400
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Subject: [PATCH 23/31] SecurityPkg/RngDxe: Simplify Rng algorithm selection
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for Arm
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RH-Author: Jon Maloy <jmaloy@redhat.com>
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RH-MergeRequest: 77: UINT32 overflow in S3 ResumeCount and Pixiefail fixes
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RH-Jira: RHEL-21854 RHEL-21856 RHEL-40099
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RH-Acked-by: Gerd Hoffmann <None>
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RH-Commit: [23/31] 21b2854eed63bf5d406cfec5ac03b9ae3901a679
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JIRA: https://issues.redhat.com/browse/RHEL-21856
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Upstream: Merged
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CVE: CVE-2023-45237
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commit ff7ddc02b273f9159ef46fdb67d99062f8e598d9
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Author: Pierre Gondois <pierre.gondois@arm.com>
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Date: Fri Aug 11 16:33:10 2023 +0200
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SecurityPkg/RngDxe: Simplify Rng algorithm selection for Arm
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The first element of mAvailableAlgoArray is defined as the default
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Rng algorithm to use. Don't go through the array at each RngGetRNG()
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call and just return the first element of the array.
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Signed-off-by: Pierre Gondois <pierre.gondois@arm.com>
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Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>
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Acked-by: Ard Biesheuvel <ardb@kernel.org>
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Acked-by: Jiewen Yao <Jiewen.yao@intel.com>
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Tested-by: Kun Qin <kun.qin@microsoft.com>
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Signed-off-by: Jon Maloy <jmaloy@redhat.com>
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---
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.../RandomNumberGenerator/RngDxe/ArmRngDxe.c | 17 ++++-------------
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1 file changed, 4 insertions(+), 13 deletions(-)
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diff --git a/SecurityPkg/RandomNumberGenerator/RngDxe/ArmRngDxe.c b/SecurityPkg/RandomNumberGenerator/RngDxe/ArmRngDxe.c
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index 2fc36fc186..7249904413 100644
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--- a/SecurityPkg/RandomNumberGenerator/RngDxe/ArmRngDxe.c
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+++ b/SecurityPkg/RandomNumberGenerator/RngDxe/ArmRngDxe.c
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@@ -77,7 +77,6 @@ RngGetRNG (
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)
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{
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EFI_STATUS Status;
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- UINTN Index;
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GUID RngGuid;
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if ((This == NULL) || (RNGValueLength == 0) || (RNGValue == NULL)) {
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@@ -88,21 +87,13 @@ RngGetRNG (
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//
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// Use the default RNG algorithm if RNGAlgorithm is NULL.
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//
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- for (Index = 0; Index < mAvailableAlgoArrayCount; Index++) {
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- if (!IsZeroGuid (&mAvailableAlgoArray[Index])) {
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- RNGAlgorithm = &mAvailableAlgoArray[Index];
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- goto FoundAlgo;
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- }
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- }
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-
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- if (Index == mAvailableAlgoArrayCount) {
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- // No algorithm available.
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- ASSERT (Index != mAvailableAlgoArrayCount);
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- return EFI_DEVICE_ERROR;
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+ if (mAvailableAlgoArrayCount != 0) {
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+ RNGAlgorithm = &mAvailableAlgoArray[0];
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+ } else {
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+ return EFI_UNSUPPORTED;
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}
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}
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-FoundAlgo:
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Status = GetRngGuid (&RngGuid);
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if (!EFI_ERROR (Status) &&
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CompareGuid (RNGAlgorithm, &RngGuid))
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--
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2.39.3
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