PT-2026-61176 · Linux+1 · Linux Kernel+1

CVE-2026-63859

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Published

2026-07-19

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Updated

2026-09-07

None

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Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)
Description An issue exists in the airoha qdma cleanup tx queue() function where DMA TX descriptors were not being reset. This mirrors a similar issue found in airoha qdma cleanup rx queue(). Additionally, the TX DMA IDX was not being reset to TX CPU IDX, which is necessary to notify the Network Interface Card (NIC) that the QDMA TX ring is empty.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

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Related Identifiers

CVE-2026-63859
USN-8593-1
USN-8603-1
USN-8618-1
USN-8663-1
USN-8664-1
USN-8728-1

Affected Products

Linux Kernel
Ubuntu