CVE-2026-74698

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: fix BQL reset on SQ re-activation mlx5equeuestart deactivates and re-activates all channels but closes only the queue being restarted. mlx5eactivatetxqsq then unconditionally calls netdevtxresetqueue, zeroing the BQL...

CVE-2026-74698

This vulnerability affects the mlx5e network driver in the Linux kernel (used by Mellanox/NVIDIA ConnectX NICs). The root cause is that mlx5e_activate_txqsq() unconditionally calls netdev_tx_reset_queue(), which zeroes BQL (Byte Queue Limits) counters on channels that still have in-flight TX WQEs...

CVE-2026-74698 net/mlx5e: fix BQL reset on SQ re-activation

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: fix BQL reset on SQ re-activation mlx5equeuestart deactivates and re-activates all channels but closes only the queue being restarted. mlx5eactivatetxqsq then unconditionally calls netdevtxresetqueue, zeroing the BQL...

EUVD-2026-64385

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: fix BQL reset on SQ re-activation mlx5equeuestart deactivates and re-activates all channels but closes only the queue being restarted. mlx5eactivatetxqsq then unconditionally calls netdevtxresetqueue, zeroing the BQL...

PT-2026-79703

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: fix BQL reset on SQ re-activation mlx5e queue start deactivates and re-activates all channels but closes only the queue being restarted. mlx5e activate txqsq then unconditionally calls netdev tx reset queue, zeroing th...