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In the Linux kernel, the following vulnerability has been resolved:
net: ethernet: cortina: Fix budget accounting
The gmac_rx() function returns the remaining NAPI budget, but its caller treats the return value as the number of packets received. An idle poll therefore reports a full budget and remains scheduled.
Return the number of received packets instead. Preserve the existing free queue refill accounting by adding that count directly; continuing to subtract it from the budget would invert the refill behavior.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux-6.12Upgrade linux | Sep 30, 2026 | Sep 25, 2026 |
| Ubuntu | — | Upgrade linux-awsUpgrade linux-lowlatencyUpgrade linux-hwe-5.15Upgrade linux-nvidia-tegra-igxUpgrade linux-riscvUpgrade linuxUpgrade linux-azure-fipsUpgrade linux-azureUpgrade linux-gcp-fipsUpgrade linux-oem-7.0Upgrade linux-nvidia-tegraUpgrade linux-aws-5.15Upgrade linux-riscv-7.0Upgrade linux-nvidia-tegra-5.15Upgrade linux-ibm-5.15Upgrade linux-riscv-5.15Upgrade linux-ibmUpgrade linux-aws-fipsUpgrade linux-oracle-5.15Upgrade linux-azure-fdeUpgrade linux-gkeopUpgrade linux-azure-5.15Upgrade linux-intel-iotgUpgrade linux-hwe-7.0Upgrade linux-intel-iot-realtimeUpgrade linux-gcp-5.15Upgrade linux-realtimeUpgrade linux-nvidiaUpgrade linux-intel-iotg-5.15Upgrade linux-oracleUpgrade linux-azure-fde-5.15Upgrade linux-kvmUpgrade linux-gkeUpgrade linux-fipsUpgrade linux-lowlatency-hwe-5.15Upgrade linux-gcpUpgrade linux-bluefield | Nov 3, 2026 | Sep 25, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 13, 2026 | Sep 25, 2026 |
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