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In the Linux kernel, the following vulnerability has been resolved:
bnxt_en: Avoid order-5 memory allocation for TPA data
The driver needs to keep track of all the possible concurrent TPA (GRO/LRO) completions on the aggregation ring. On P5 chips, the maximum number of concurrent TPA is 256 and the amount of memory we allocate is order-5 on systems using 4K pages. Memory allocation failure has been reported:
NetworkManager: page allocation failure: order:5, mode:0x40dc0(GFP_KERNEL|__GFP_COMP|__GFP_ZERO), nodemask=(null),cpuset=/,mems_allowed=0-1 CPU: 15 PID: 2995 Comm: NetworkManager Kdump: loaded Not tainted 5.10.156 #1 Hardware name: Dell Inc. PowerEdge R660/0M1CC5, BIOS 0.2.25 08/12/2022 Call Trace: dump_stack+0x57/0x6e warn_alloc.cold.120+0x7b/0xdd ? _cond_resched+0x15/0x30 ? __alloc_pages_direct_compact+0x15f/0x170 __alloc_pages_slowpath.constprop.108+0xc58/0xc70 __alloc_pages_nodemask+0x2d0/0x300 kmalloc_order+0x24/0xe0 kmalloc_order_trace+0x19/0x80 bnxt_alloc_mem+0x1150/0x15c0 [bnxt_en] ? bnxt_get_func_stat_ctxs+0x13/0x60 [bnxt_en] __bnxt_open_nic+0x12e/0x780 [bnxt_en] bnxt_open+0x10b/0x240 [bnxt_en] __dev_open+0xe9/0x180 __dev_change_flags+0x1af/0x220 dev_change_flags+0x21/0x60 do_setlink+0x35c/0x1100
Instead of allocating this big chunk of memory and dividing it up for the concurrent TPA instances, allocate each small chunk separately for each TPA instance. This will reduce it to order-0 allocations.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade perf-debuginfoUpgrade kernel-develUpgrade kernel-tools-develUpgrade kernel-debuginfoUpgrade perfUpgrade bpftoolUpgrade kernel-tools-debuginfoUpgrade kernelUpgrade kernel-headersUpgrade kernel-debuginfo-common-aarch64Upgrade python-perfUpgrade python-perf-debuginfoUpgrade kernel-livepatch-5.10.176-157.645Upgrade bpftool-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-tools | May 20, 2026 | May 20, 2026 |
| Debian | — | Upgrade linux | May 5, 2025 | May 2, 2025 |
| Huawei Euleros 2_0_sp13 | — | Upgrade python3-perfUpgrade kernel-toolsUpgrade bpftoolUpgrade kernelUpgrade kernel-tools-libsUpgrade kernel-abi-stablelists | Aug 13, 2025 | Aug 9, 2025 |
| Redhat_linux | — | Upgrade kernelNo solution existsUpgrade kernel-rt | Jul 9, 2025 | May 2, 2025 |
| Ubuntu | — | Upgrade linux-kvmUpgrade linux-intel-iotgUpgrade linux-nvidia-tegraUpgrade linux-gcp-5.15Upgrade linux-lowlatency-hwe-5.15Upgrade linux-oracle-5.15Upgrade linux-intel-iot-realtimeUpgrade linux-raspi-5.4Upgrade linux-gcpUpgrade linux-realtimeUpgrade linux-riscv-5.15Upgrade linux-xilinx-zynqmpUpgrade linux-azure-5.15Upgrade linux-oracle-5.4Upgrade linux-hwe-5.4Upgrade linux-ibmUpgrade linux-intel-iotg-5.15Upgrade linux-aws-fipsUpgrade linux-ibm-5.15Upgrade linux-gkeUpgrade linux-nvidiaUpgrade linux-nvidia-tegra-igxUpgrade linux-fipsUpgrade linux-azure-fdeUpgrade linux-oracleUpgrade linux-bluefieldUpgrade linux-gcp-fipsUpgrade linux-awsUpgrade linux-azureUpgrade linux-gkeopUpgrade linux-ibm-5.4Upgrade linux-hwe-5.15Upgrade linux-raspiUpgrade linuxUpgrade linux-gcp-5.4Upgrade linux-azure-5.4Upgrade linux-iotUpgrade linux-aws-5.4Upgrade linux-nvidia-tegra-5.15Upgrade linux-azure-fipsUpgrade linux-aws-5.15Upgrade linux-lowlatency | May 8, 2025 | May 2, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | May 2, 2025 |
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