CVE-2026-63859
MEDIUM severity · CVSS 5.5
5.5CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/3309965fe44c00fd65af7cef5016e9e782c021a7 ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/3309965fe44c00fd65af7cef5016e9e782c021a7Patch
- https://git.kernel.org/stable/c/7b86b4c7767e932f59cd23b31587b73a03cb1dfcPatch
- https://git.kernel.org/stable/c/9b5d56fe389d68ede080c716e6f10895facaf7dbPatch
- https://git.kernel.org/stable/c/c0cfce4d76702dba9601a4020df1a0bc35806efcPatch