In the Linux kernel, the following vulnerability has been resolved:
bcache: fix variable length array abuse in btree_iter
btree_iter is used in two ways: either allocated on the stack with a fixed size MAX_BSETS, or from a mempool with a dynamic size based on the specific cache set. Previously, the struct had a fixed-length array of size MAX_BSETS which was indexed out-of-bounds for the dynamically-sized iterators, which causes UBSAN to complain.
This patch uses the same approach as in bcachefs's sort_iter and splits the iterator into a btree_iter with a flexible array member and a btree_iter_stack which embeds a btree_iter as well as a fixed-length data array.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade kernel-livepatch-5.10.223-211.872Upgrade bpftool-debuginfoUpgrade python-perfUpgrade perfUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-develUpgrade bpftoolUpgrade kernel-tools-develUpgrade kernel-toolsUpgrade perf-debuginfoUpgrade python-perf-debuginfoUpgrade kernelUpgrade kernel-headersUpgrade kernel-debuginfoUpgrade kernel-livepatch-5.15.162-107.160Upgrade kernel-tools-debuginfoUpgrade kernel-debuginfo-common-x86_64 | May 22, 2025 | Jul 5, 2024 |
| Amazon_linux_2023 | — | Upgrade kernel-develUpgrade python3-perfUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-modules-extra-commonUpgrade perfUpgrade kernel-tools-develUpgrade perf-debuginfoUpgrade kernel-headersUpgrade kernel-toolsUpgrade kernel-debuginfo-common-x86_64Upgrade bpftool-debuginfoUpgrade kernel-libbpf-staticUpgrade kernel-livepatch-6.1.94-99.176Upgrade kernel-modules-extraUpgrade kernel-libbpf-develUpgrade kernel-tools-debuginfoUpgrade kernel-libbpfUpgrade kernelUpgrade bpftoolUpgrade python3-perf-debuginfoUpgrade kernel-debuginfo | Jun 11, 2025 | Jul 5, 2024 |
| Debian | — | Upgrade linux | Jul 17, 2024 | Jul 5, 2024 |
| Huawei Euleros 2_0_sp11 | — | Upgrade kernel-abi-stablelistsUpgrade kernelUpgrade python3-perfUpgrade kernel-toolsUpgrade bpftoolUpgrade kernel-tools-libs | Oct 9, 2024 | Jul 5, 2024 |
| Huawei Euleros 2_0_sp12 | — | Upgrade bpftoolUpgrade kernel-tools-libsUpgrade kernelUpgrade kernel-toolsUpgrade python3-perfUpgrade kernel-abi-stablelists | Nov 5, 2024 | Jul 5, 2024 |
| Oracle_linux | — | Upgrade kernel-uek | Oct 16, 2024 | Jul 5, 2024 |
| Suse | — | Upgrade dtb-allwinnerUpgrade reiserfs-kmp-azureUpgrade kernel-rt_debug-livepatch-develUpgrade reiserfs-kmp-rtUpgrade dtb-marvellUpgrade kernel-rt-extraUpgrade kernel-rt-livepatchUpgrade cluster-md-kmp-rtUpgrade kernel-rt_debug-develUpgrade kernel-debug-develUpgrade kernel-develUpgrade dtb-xilinxUpgrade kernel-docs-htmlUpgrade kernel-debug-vdsoUpgrade kernel-obs-buildUpgrade kernel-rt-optionalUpgrade kernel-kvmsmall-vdsoUpgrade kernel-source-vanillaUpgrade kernel-default-livepatch-develUpgrade dtb-amdUpgrade gfs2-kmp-defaultUpgrade dtb-appleUpgrade gfs2-kmp-azureUpgrade kernel-64kb-extraUpgrade dtb-sprdUpgrade ocfs2-kmp-64kbUpgrade dtb-alteraUpgrade dtb-rockchipUpgrade kernel-rt-vdsoUpgrade dtb-nvidiaUpgrade kernel-azureUpgrade dlm-kmp-rtUpgrade cluster-md-kmp-64kbUpgrade dlm-kmp-defaultUpgrade dtb-broadcomUpgrade kernel-azure-optionalUpgrade kselftests-kmp-azureUpgrade ocfs2-kmp-azureUpgrade dtb-socionextUpgrade kernel-default-baseUpgrade ocfs2-kmp-defaultUpgrade kernel-source-rtUpgrade kernel-default-optionalUpgrade dtb-caviumUpgrade reiserfs-kmp-64kbUpgrade dtb-renesasUpgrade kernel-docsUpgrade kernel-rt_debugUpgrade reiserfs-kmp-defaultUpgrade kselftests-kmp-rtUpgrade kernel-defaultUpgrade kernel-64kb-optionalUpgrade dtb-armUpgrade dtb-qcomUpgrade dlm-kmp-64kbUpgrade kernel-symsUpgrade kernel-zfcpdumpUpgrade kernel-syms-azureUpgrade kernel-sourceUpgrade kernel-macrosUpgrade kernel-64kbUpgrade dtb-apmUpgrade dtb-exynosUpgrade kernel-default-vdsoUpgrade kselftests-kmp-defaultUpgrade kselftests-kmp-64kbUpgrade kernel-syms-rtUpgrade kernel-default-develUpgrade kernel-kvmsmall-develUpgrade kernel-kvmsmall-livepatch-develUpgrade kernel-obs-qaUpgrade kernel-64kb-develUpgrade gfs2-kmp-64kbUpgrade dtb-hisiliconUpgrade cluster-md-kmp-defaultUpgrade dtb-mediatekUpgrade kernel-debug-livepatch-develUpgrade kernel-64kb-livepatch-develUpgrade dtb-freescaleUpgrade dtb-amlogicUpgrade ocfs2-kmp-rtUpgrade kernel-rt_debug-vdsoUpgrade kernel-rt-develUpgrade dtb-lgUpgrade kernel-azure-livepatch-develUpgrade kernel-azure-extraUpgrade kernel-azure-develUpgrade kernel-default-livepatchUpgrade dtb-amazonUpgrade cluster-md-kmp-azureUpgrade kernel-kvmsmallUpgrade kernel-default-extraUpgrade kernel-debugUpgrade gfs2-kmp-rtUpgrade kernel-source-azureUpgrade kernel-rtUpgrade kernel-devel-azureUpgrade kernel-rt-livepatch-develUpgrade dlm-kmp-azureUpgrade kernel-azure-vdsoUpgrade kernel-default-base-rebuildUpgrade kernel-devel-rt | Aug 8, 2024 | Jul 5, 2024 |
| Ubuntu | — | Upgrade linux-image-nvidia-6.8Upgrade linux-image-nvidia-64k-6.8Upgrade linux-image-6.8.0-1010-oracleUpgrade linux-image-5.15.0-1067-oracleUpgrade linux-image-oracle-lts-22.04Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-5.15.0-1064-nvidiaUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-5.15.0-1062-raspiUpgrade linux-image-oracle-64kUpgrade linux-image-raspi-nolpaeUpgrade linux-image-6.8.0-1010-oracle-64kUpgrade linux-image-generic-hwe-20.04Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-ibm-lts-24.04Upgrade linux-image-virtual-hwe-24.04Upgrade linux-image-6.8.0-1012-azureUpgrade linux-image-oem-20.04dUpgrade linux-image-awsUpgrade linux-image-virtual-hwe-20.04Upgrade linux-image-6.8.0-1011-nvidia-64kUpgrade linux-image-6.8.0-1009-raspiUpgrade linux-image-nvidia-64kUpgrade linux-image-6.8.0-1011-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-1008-gkeUpgrade linux-image-5.15.0-121-generic-lpaeUpgrade linux-image-oem-20.04Upgrade linux-image-azure-cvmUpgrade linux-image-virtualUpgrade linux-image-oracleUpgrade linux-image-gkeUpgrade linux-image-kvmUpgrade linux-image-gkeop-5.15Upgrade linux-image-oem-24.04aUpgrade linux-image-gcpUpgrade linux-image-6.8.0-1010-oemUpgrade linux-image-6.8.0-1011-nvidia-lowlatencyUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-5.15.0-1035-xilinx-zynqmpUpgrade linux-image-6.8.0-40-genericUpgrade linux-image-5.15.0-1066-gkeUpgrade linux-image-6.8.0-1011-nvidiaUpgrade linux-image-raspiUpgrade linux-image-5.15.0-121-lowlatencyUpgrade linux-image-gcp-lts-22.04Upgrade linux-image-ibmUpgrade linux-image-5.15.0-1069-awsUpgrade linux-image-6.8.0-1010-ibmUpgrade linux-image-6.8.0-40-generic-64kUpgrade linux-image-5.15.0-1064-nvidia-lowlatencyUpgrade linux-image-lowlatencyUpgrade linux-image-6.8.0-1012-gcpUpgrade linux-image-azure-fdeUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-intelUpgrade linux-image-lowlatency-64kUpgrade linux-image-azure-lts-22.04Upgrade linux-image-6.8.0-1013-awsUpgrade linux-image-aws-lts-22.04Upgrade linux-image-ibm-classicUpgrade linux-image-6.8.0-1012-azure-fdeUpgrade linux-image-generic-lpaeUpgrade linux-image-oem-24.04Upgrade linux-image-5.15.0-1064-intel-iotgUpgrade linux-image-6.8.0-40-lowlatency-64kUpgrade linux-image-genericUpgrade linux-image-6.8.0-40-lowlatencyUpgrade linux-image-5.15.0-1066-kvmUpgrade linux-image-5.15.0-1062-ibmUpgrade linux-image-5.15.0-121-genericUpgrade linux-image-5.15.0-1052-gkeopUpgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-nvidiaUpgrade linux-image-azureUpgrade linux-image-generic-64kUpgrade linux-image-intel-iotgUpgrade linux-image-5.15.0-1072-azure-fdeUpgrade linux-image-5.15.0-1072-azureUpgrade linux-image-gke-5.15Upgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-5.15.0-121-lowlatency-64kUpgrade linux-image-gkeopUpgrade linux-image-5.15.0-121-generic-64kUpgrade linux-image-oem-20.04cUpgrade linux-image-oem-20.04bUpgrade linux-image-5.15.0-1068-gcpUpgrade linux-image-azure-fde-lts-22.04 | Aug 9, 2024 | Jul 5, 2024 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Jul 5, 2024 |
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