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ReviewHigh

CVE-2026-74523

Linux

In the Linux kernel, the following vulnerability has been resolved: qede: sync udp_tunnel ports outside qede_lock in the recovery path A TX timeout on a qede NIC that has VXLAN/GENEVE tunnel ports configured wedges the rtnetlink control plane of the whole machine: NETDEV WATCHDOG: ens6f1 (qede): transmit queue 2 timed out 10226 ms [qede_tx_timeout:586(ens6f1)]TX timeout on queue 2! [qede_recovery_handler:2665(ens6f0)]Starting a recovery process The recovery path deadlocks on the driver's own mutex: qede_sp_task rtnl_lock() mutex_lock(&edev->qede_lock) <- taken qede_recovery_handler qede_loa...

CVSS
7.5
EPSS
-
- percentile
CISA KEV
Not listed
Published
2026.08.15
PRIORITY ASSESSMENT

Review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability-
Technical severityCVSS 7.5

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: qede: sync udp_tunnel ports outside qede_lock in the recovery path A TX timeout on a qede NIC that has VXLAN/GENEVE tunnel ports configured wedges the rtnetlink control plane of the whole machine: NETDEV WATCHDOG: ens6f1 (qede): transmit queue 2 timed out 10226 ms [qede_tx_timeout:586(ens6f1)]TX timeout on queue 2! [qede_recovery_handler:2665(ens6f0)]Starting a recovery process The recovery path deadlocks on the driver's own mutex: qede_sp_task rtnl_lock() mutex_lock(&edev->qede_lock) <- taken qede_recovery_handler qede_loa...

Affected product and versions

Product
Linux
Affected versions
>= 8cd160a29415f1789d473b1dc07fcc9d02a02b87 < 19e505ee8bb9e0f0355eda9e9f614fb25fed0070, >= 8cd160a29415f1789d473b1dc07fcc9d02a02b87 < c4c1e5d6bc2b900b2328d6fff93dc8146b858d69, >= 8cd160a29415f1789d473b1dc07fcc9d02a02b87 < 8e1bdf57de91247e57816482966265ada573cc74, >= 8cd160a29415f1789d473b1dc07fcc9d02a02b87 < e382a4efeeae6555b95d9ff336cf3094ee7d336b, >= 8cd160a29415f1789d473b1dc07fcc9d02a02b87 < 4626df3f63c9185efba5750fe76ac01ab3351bae, >= 8cd160a29415f1789d473b1dc07fcc9d02a02b87 < e51becb8f3377a377171ed5bf0082b96e22e6292, >= 8cd160a29415f1789d473b1dc07fcc9d02a02b87 < 6f1ef8170d3d8ad9319aa01347945dcdf5cc4f27, >= 8cd160a29415f1789d473b1dc07fcc9d02a02b87 < 451c9075d6c53f2438d110addbeeeea6fac18567, >= 5.9
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
Not available