CVE-2025-38460High· 7.0▾ TwilightIn the Linux kernel, the following vulnerability has been resolved: atm: clip: Fix potential null-ptr-deref in to_atmarpd(). atmarpd is protected by RTNL since commit f3a0592b37b8 ("[ATM]: clip causes unregister hang"). However, it is…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 38.5 · likelihood 0 · 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
0.2%
0.2% → 0.2%
In the Linux kernel, the following vulnerability has been resolved:
atm: clip: Fix potential null-ptr-deref in to_atmarpd().
atmarpd is protected by RTNL since commit f3a0592b37b8 ("[ATM]: clip causes unregister hang").
However, it is not enough because to_atmarpd() is called without RTNL, especially clip_neigh_solicit() / neigh_ops->solicit() is unsleepable.
Also, there is no RTNL dependency around atmarpd.
Let's use a private mutex and RCU to protect access to atmarpd in to_atmarpd().
linux_kernel >= 2.6.13, < 5.4.296linux_kernel >= 5.5, < 5.10.240linux_kernel >= 5.11, < 5.15.189linux_kernel >= 5.16, < 6.1.146linux_kernel >= 6.2, < 6.6.99linux_kernel >= 6.7, < 6.12.39linux_kernel >= 6.13, < 6.15.7linux_kernel = 2.6.12linux_kernel = 6.16debian_linux = 11.0Upgrade past the affected range:
linux_kernel 6.15.7Connected by shared product, vendor, weakness, or advisory.
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