In the Linux kernel, the following vulnerability has been resolved:
net: mvpp2: sync RX data at the hardware packet offset
mvpp2 programs the RX queue packet offset, so hardware writes received data at dma_addr + MVPP2_SKB_HEADROOM. The current CPU sync starts at dma_addr and only covers rx_bytes + MVPP2_MH_SIZE bytes, which syncs the unused headroom and misses the same number of bytes at the packet tail.
On non-coherent DMA systems this can leave the CPU reading stale cache contents for the end of the received frame.
Use dma_sync_single_range_for_cpu() with MVPP2_SKB_HEADROOM as the range offset so the sync covers the Marvell header and packet data actually written by hardware.
CVSS Details
- CVSS 3.1 Base Score: 8.6
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linuxUpgrade linux-6.1 | Jul 5, 2026 | Jul 5, 2026 |
| Ubuntu | — | Upgrade linux-image-raspi-realtime-7.0Upgrade linux-image-7.0.0-31-generic-64kUpgrade linux-image-7.0.0-1011-gcpUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-virtual-7.0Upgrade linux-image-nvidia-tegra-rt-6.8Upgrade linux-image-gke-hwe-26.04Upgrade linux-image-gcp-7.0Upgrade linux-image-generic-7.0Upgrade linux-image-oracleUpgrade linux-image-gke-64k-hwe-26.04Upgrade linux-image-7.0.0-1012-aws-64kUpgrade linux-image-aws-64kUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-gcpUpgrade linux-image-realtime-7.0Upgrade linux-image-gkeUpgrade linux-image-awsUpgrade linux-image-azure-7.0Upgrade linux-image-oracle-64k-7.0Upgrade linux-image-nvidia-tegra-rtUpgrade linux-image-virtualUpgrade linux-image-raspi-7.0Upgrade linux-image-7.0.0-1014-azureUpgrade linux-image-raspi-realtimeUpgrade linux-image-6.8.0-1035-nvidia-tegraUpgrade linux-image-realtime-64k-7.0Upgrade linux-image-7.0.0-1006-gkeUpgrade linux-image-realtimeUpgrade linux-image-7.0.0-31-realtimeUpgrade linux-image-aws-7.0Upgrade linux-image-realtime-64kUpgrade linux-image-gcp-64k-7.0Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-generic-hwe-26.04Upgrade linux-image-7.0.0-1011-oracle-64kUpgrade linux-image-7.0.0-1011-oracleUpgrade linux-image-oem-26.04bUpgrade linux-image-nvidiaUpgrade linux-image-generic-64k-hwe-26.04Upgrade linux-image-aws-64k-7.0Upgrade linux-image-7.0.0-31-realtime-64kUpgrade linux-image-7.0.0-1018-nvidia-64kUpgrade linux-image-raspiUpgrade linux-image-azure-lts-26.04Upgrade linux-image-7.0.0-1013-oemUpgrade linux-image-7.0.0-1006-gke-64kUpgrade linux-image-oracle-64kUpgrade linux-image-oem-26.04Upgrade linux-image-nvidia-64k-7.0Upgrade linux-image-realtime-hwe-26.04Upgrade linux-image-oracle-7.0Upgrade linux-image-oem-26.04aUpgrade linux-image-nvidia-tegra-6.8Upgrade linux-image-nvidia-bos-7.0Upgrade linux-image-7.0.0-2018-nvidia-bos-64kUpgrade linux-image-gke-64k-7.0Upgrade linux-image-7.0.0-2018-nvidia-bosUpgrade linux-image-nvidia-bos-64kUpgrade linux-image-nvidia-7.0Upgrade linux-image-gke-7.0Upgrade linux-image-7.0.0-31-genericUpgrade linux-image-7.0.0-1013-ibmUpgrade linux-image-7.0.0-1012-awsUpgrade linux-image-nvidia-tegraUpgrade linux-image-nvidia-64kUpgrade linux-image-nvidia-hwe-26.04Upgrade linux-image-azureUpgrade linux-image-6.8.0-1035-nvidia-tegra-rtUpgrade linux-image-nvidia-bos-64k-7.0Upgrade linux-image-ibm-7.0Upgrade linux-image-7.0.0-1019-raspi-realtimeUpgrade linux-image-nvidia-64k-hwe-26.04Upgrade linux-image-generic-64kUpgrade linux-image-nvidia-bosUpgrade linux-image-gcp-64kUpgrade linux-image-genericUpgrade linux-image-ibmUpgrade linux-image-gke-64kUpgrade linux-image-realtime-64k-hwe-26.04Upgrade linux-image-7.0.0-1011-gcp-64kUpgrade linux-image-virtual-hwe-26.04Upgrade linux-image-7.0.0-1018-nvidiaUpgrade linux-image-generic-64k-7.0Upgrade linux-image-7.0.0-1019-raspiUpgrade linux-image-oem-7.0 | Sep 14, 2026 | Sep 7, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jul 10, 2026 | Jun 25, 2026 |
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