GHSA-g6xr-fxvq-ffp4

GHSA-g6xr-fxvq-ffp4 PUBLISHED CVSS 4.699999809265137 MEDIUM

Record from GitHub Advisory Database · Published August 22, 2025

In the Linux kernel, the following vulnerability has been resolved: net/packet: fix a race in packet_set_ring() and packet_notifier() When packet_set_ring() releases po->bind_lock, another thread can run packet_notifier() and process an NETDEV_UP event. This race and the fix are both similar to that of commit 15fe076edea7 ("net/packet: fix a race in packet_bind() and packet_notifier()"). There too the packet_notifier NETDEV_UP event managed to run while a po->bind_lock critical section had to be temporarily released. And the fix was similarly to temporarily set po->num to zero to keep the socket unhooked until the lock is retaken. The po->bind_lock in packet_set_ring and packet_notifier precede the introduction of git history.

Risk scores

CVSS 3.1

4.699999809265137

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Timeline

Aug 22, 2025 CVE Published
Apr 10, 2026 Security Advisory

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vulnetix vdb fixes GHSA-g6xr-fxvq-ffp4

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