What’s Vulnerable › Vulnerabilities

CVE-2026-63859: net: airoha: Add missing bits in airoha_qdma_cleanup_tx_queue()

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-19 · updated 2026-10-26

Description

In the Linux kernel, the following vulnerability has been resolved: net: airoha: Add missing bits in airoha_qdma_cleanup_tx_queue() Similar to airoha_qdma_cleanup_rx_queue(), reset DMA TX descriptors in airoha_qdma_cleanup_tx_queue routine. Moreover, reset TX_DMA_IDX to TX_CPU_IDX to notify the NIC the QDMA TX ring is empty.

Affected products

• Linux kernel: from 6.11 before 6.12.114; from 6.13 before 6.18.33; from 6.19 before 7.0.10 — fixed in 6.12.114, 6.18.33, 7.0.10
• Linux kernel: 6.11 — fixed in 7.1

How to fix

Upgrade to a fixed version: Linux kernel 6.12.114, 6.18.33, 7.0.10; Linux kernel 7.1. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/3309965fe44c00fd65af7cef5016e9e782c021a7
• https://git.kernel.org/stable/c/7b86b4c7767e932f59cd23b31587b73a03cb1dfc
• https://git.kernel.org/stable/c/9b5d56fe389d68ede080c716e6f10895facaf7db
• https://git.kernel.org/stable/c/c0cfce4d76702dba9601a4020df1a0bc35806efc

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