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.

Metrics

No CVSS v4.0

No CVSS v3.1

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Affected Vendors & Products

Vendors Products
Linux
  • Linux Kernel

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References
Link Providers
https://git.kernel.org/stable/c/180235600934bef6add3be637c296d6cf3272e67 cve-icon
https://git.kernel.org/stable/c/19f8bc139e9b149d1e5bf75ae761d1bb8dd3e7d8 cve-icon
https://git.kernel.org/stable/c/23548007b3c66d628fc7d6b80d1e23be04ea10d9 cve-icon
https://git.kernel.org/stable/c/60412bdd1b2576659eac23a23d2d9ff96228a643 cve-icon
https://git.kernel.org/stable/c/a13199fa224e9f776f4005d5037df03aa9ea8f37 cve-icon
https://git.kernel.org/stable/c/a3ad9b5767c89531fc7dae951b51b0933dcf7051 cve-icon
https://git.kernel.org/stable/c/bede0f481b9137d73d1cf64309cbe4b94818a5d6 cve-icon
https://git.kernel.org/stable/c/e302206ad84a407a7e5f3f6fe767ff5efaace689 cve-icon
History

Thu, 25 Jun 2026 12:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-346
CWE-368

Thu, 25 Jun 2026 09:15:00 +0000

Type Values Removed Values Added
Description 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.
Title net: mvpp2: sync RX data at the hardware packet offset
First Time appeared Linux
Linux linux Kernel
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel
References
cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2026-06-25T08:39:20.186Z

Reserved: 2026-06-09T07:44:35.392Z

Link: CVE-2026-53217

cve-icon Vulnrichment

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cve-icon NVD

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cve-icon Redhat

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cve-icon OpenCVE Enrichment

Updated: 2026-06-25T12:00:14Z