CVE-2025-38617High· 7.8▾ TwilightIn 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 a…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 42.9 · likelihood 0.1 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Oct 15.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
0.4%
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.
linux_kernel >= 2.6.13, < 5.4.297linux_kernel >= 5.5, < 5.10.241linux_kernel >= 5.11, < 5.15.190linux_kernel >= 5.16, < 6.1.148linux_kernel >= 6.2, < 6.6.102linux_kernel >= 6.7, < 6.12.42linux_kernel >= 6.13, < 6.15.10linux_kernel >= 6.16, < 6.16.1linux_kernel = 2.6.12debian_linux = 11.0Upgrade past the affected range:
linux_kernel 6.16.1Connected by shared product, vendor, weakness, or advisory.
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