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CVE-2025-38551

virtio-net: fix recursived rtnl_lock() during probe() PUBLISHED

Description (CNA)

In the Linux kernel, the following vulnerability has been resolved: virtio-net: fix recursived rtnl_lock() during probe() The deadlock appears in a stack trace like: virtnet_probe() rtnl_lock() virtio_config_changed_work() netdev_notify_peers() rtnl_lock() It happens if the VMM sends a VIRTIO_NET_S_ANNOUNCE request while the virtio-net driver is still probing. The config_work in probe() will get scheduled until virtnet_open() enables the config change notification via virtio_config_driver_enable().

Affected (CNA)

Vendor / productVersions
Linux / Linuxaffected df28de7b00502761eba62490f413c65c9b175ed9 before 4e7c46362550b229354aeb52038f414e231b0037; affected df28de7b00502761eba62490f413c65c9b175ed9 before 3859f137b3c1fa1f0031d54263234566bdcdd7aa; affected df28de7b00502761eba62490f413c65c9b175ed9 before be5dcaed694e4255dc02dd0acfe036708c535def; affected cb06b26bb2e6d2c6a32f65f7bb1b7dcbe033d675; affected 6.11.2 before 6.12
Linux / Linuxaffected 6.12; unaffected 0 before 6.12; unaffected 6.12.40 through 6.12.*; unaffected 6.15.8 through 6.15.*; unaffected 6.16 through *

CWE

No CWE identifiers supplied.

References