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Description

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().

PUBLISHED Reserved 2025-04-16 | Published 2025-08-16 | Updated 2025-08-16 | Assigner Linux

Product status

Default status
unaffected

df28de7b00502761eba62490f413c65c9b175ed9 before 4e7c46362550b229354aeb52038f414e231b0037
affected

df28de7b00502761eba62490f413c65c9b175ed9 before 3859f137b3c1fa1f0031d54263234566bdcdd7aa
affected

df28de7b00502761eba62490f413c65c9b175ed9 before be5dcaed694e4255dc02dd0acfe036708c535def
affected

cb06b26bb2e6d2c6a32f65f7bb1b7dcbe033d675
affected

Default status
affected

6.12
affected

Any version before 6.12
unaffected

6.12.40
unaffected

6.15.8
unaffected

6.16
unaffected

References

git.kernel.org/...c/4e7c46362550b229354aeb52038f414e231b0037

git.kernel.org/...c/3859f137b3c1fa1f0031d54263234566bdcdd7aa

git.kernel.org/...c/be5dcaed694e4255dc02dd0acfe036708c535def

cve.org (CVE-2025-38551)

nvd.nist.gov (CVE-2025-38551)

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