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In the Linux kernel, the following vulnerability has been resolved:
bnxt_en: Mask the bd_cnt field in the TX BD properly
The bd_cnt field in the TX BD specifies the total number of BDs for the TX packet. The bd_cnt field has 5 bits and the maximum number supported is 32 with the value 0.
CONFIG_MAX_SKB_FRAGS can be modified and the total number of SKB fragments can approach or exceed the maximum supported by the chip. Add a macro to properly mask the bd_cnt field so that the value 32 will be properly masked and set to 0 in the bd_cnd field.
Without this patch, the out-of-range bd_cnt value will corrupt the TX BD and may cause TX timeout.
The next patch will check for values exceeding 32.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux_2023 | — | Upgrade kernel-headersUpgrade kernel6.12-modules-extraUpgrade kernel-libbpfUpgrade kernel-tools-develUpgrade kernel-libbpf-debuginfoUpgrade kernel6.12-debuginfo-common-x86_64Upgrade kernel6.12-debuginfo-common-aarch64Upgrade kernel-livepatch-6.12.29-33.102Upgrade kernel6.12Upgrade perf6.12-debuginfoUpgrade kernel-modules-extra-commonUpgrade kernel-tools-debuginfoUpgrade perf6.12Upgrade kernel-libbpf-develUpgrade kernel6.12-debuginfoUpgrade python3-perf6.12Upgrade kernel-toolsUpgrade kernel-libbpf-staticUpgrade kernel-develUpgrade bpftool-debuginfoUpgrade python3-perf6.12-debuginfoUpgrade bpftool | Jun 3, 2025 | Apr 16, 2025 |
| Debian | — | Upgrade linux-6.12Upgrade linux | Sep 30, 2026 | Apr 16, 2025 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Apr 16, 2025 |
| Suse | — | Upgrade reiserfs-kmp-defaultUpgrade dlm-kmp-defaultUpgrade dtb-broadcomUpgrade dlm-kmp-rtUpgrade ocfs2-kmp-defaultUpgrade dtb-freescaleUpgrade kernel-azure-extraUpgrade kernel-debugUpgrade dtb-marvellUpgrade kernel-default-develUpgrade dlm-kmp-azureUpgrade kernel-azure-vdsoUpgrade cluster-md-kmp-64kbUpgrade kernel-default-livepatchUpgrade gfs2-kmp-defaultUpgrade reiserfs-kmp-64kbUpgrade kernel-64kbUpgrade gfs2-kmp-64kbUpgrade kernel-64kb-optionalUpgrade dtb-amdUpgrade kernel-syms-rtUpgrade kernel-kvmsmall-vdsoUpgrade kernel-zfcpdumpUpgrade kselftests-kmp-azureUpgrade dtb-allwinnerUpgrade kernel-docsUpgrade kernel-rt_debug-vdsoUpgrade kernel-64kb-develUpgrade kernel-symsUpgrade kernel-default-baseUpgrade kernel-default-livepatch-develUpgrade dtb-amazonUpgrade kselftests-kmp-defaultUpgrade kernel-64kb-extraUpgrade kernel-rt-livepatch-develUpgrade reiserfs-kmp-rtUpgrade kernel-docs-htmlUpgrade ocfs2-kmp-azureUpgrade ocfs2-kmp-rtUpgrade kernel-rt_debug-develUpgrade kernel-source-rtUpgrade kernel-debug-develUpgrade kernel-defaultUpgrade ocfs2-kmp-64kbUpgrade kernel-rt-optionalUpgrade kselftests-kmp-rtUpgrade cluster-md-kmp-defaultUpgrade kernel-rt_debugUpgrade dtb-renesasUpgrade dtb-hisiliconUpgrade cluster-md-kmp-azureUpgrade dtb-appleUpgrade dtb-socionextUpgrade kernel-rt-extraUpgrade gfs2-kmp-rtUpgrade kernel-azure-develUpgrade dtb-qcomUpgrade kernel-devel-azureUpgrade kernel-develUpgrade kernel-default-optionalUpgrade dtb-rockchipUpgrade dtb-lgUpgrade dtb-alteraUpgrade cluster-md-kmp-rtUpgrade kernel-kvmsmallUpgrade kernel-devel-rtUpgrade dtb-nvidiaUpgrade reiserfs-kmp-azureUpgrade kernel-syms-azureUpgrade kernel-rt-vdsoUpgrade kernel-default-vdsoUpgrade kernel-default-extraUpgrade dtb-exynosUpgrade dtb-caviumUpgrade gfs2-kmp-azureUpgrade dtb-armUpgrade kernel-azure-optionalUpgrade kernel-obs-qaUpgrade kernel-obs-buildUpgrade dlm-kmp-64kbUpgrade kselftests-kmp-64kbUpgrade kernel-sourceUpgrade kernel-kvmsmall-develUpgrade kernel-azureUpgrade dtb-xilinxUpgrade dtb-apmUpgrade kernel-source-azureUpgrade kernel-rtUpgrade kernel-debug-vdsoUpgrade kernel-rt-develUpgrade kernel-source-vanillaUpgrade kernel-macrosUpgrade kernel-default-base-rebuildUpgrade dtb-mediatekUpgrade dtb-sprdUpgrade dtb-amlogic | Dec 5, 2025 | May 21, 2025 |
| Ubuntu | — | Upgrade linux-image-6.14.0-1007-azure-fdeUpgrade linux-image-gcp-64kUpgrade linux-image-6.14.0-1007-oracle-64kUpgrade linux-image-realtimeUpgrade linux-image-genericUpgrade linux-image-6.14.0-1007-oracleUpgrade linux-image-aws-64kUpgrade linux-image-6.14.0-1008-gcp-64kUpgrade linux-image-6.14.0-22-generic-64kUpgrade linux-image-6.14.0-1004-realtimeUpgrade linux-image-nvidia-tegra-6.8Upgrade linux-image-generic-64kUpgrade linux-image-6.8.0-1035-nvidia-tegra-rtUpgrade linux-image-nvidia-tegra-rtUpgrade linux-image-nvidia-tegraUpgrade linux-image-nvidia-tegra-rt-6.8Upgrade linux-image-6.14.0-1007-azureUpgrade linux-image-6.14.0-1007-aws-64kUpgrade linux-image-gcpUpgrade linux-image-azureUpgrade linux-image-6.8.0-1035-nvidia-tegraUpgrade linux-image-azure-fdeUpgrade linux-image-raspiUpgrade linux-image-awsUpgrade linux-image-6.14.0-1008-gcpUpgrade linux-image-oracleUpgrade linux-image-6.14.0-1007-raspiUpgrade linux-image-6.14.0-1007-awsUpgrade linux-image-oracle-64kUpgrade linux-image-6.14.0-22-generic | Jun 26, 2025 | Apr 16, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Sep 21, 2026 | Apr 16, 2025 |
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