Vulnerability Database

318,756

Total vulnerabilities in the database

CVE-2025-38460

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().

  • Published: Jul 25, 2025
  • Updated: Dec 23, 2025
  • CVE: CVE-2025-38460
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 5.5
  • AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWEs:

Software From Fixed in
linux / linux_kernel 2.6.13 5.4.296
linux / linux_kernel 5.5 5.10.240
linux / linux_kernel 5.11 5.15.189
linux / linux_kernel 5.16 6.1.146
linux / linux_kernel 6.2 6.6.99
linux / linux_kernel 6.7 6.12.39
linux / linux_kernel 6.13 6.15.7
linux / linux_kernel 2.6.12 2.6.12.x
linux / linux_kernel 2.6.12-rc2 2.6.12-rc2.x
linux / linux_kernel 2.6.12-rc3 2.6.12-rc3.x
linux / linux_kernel 2.6.12-rc4 2.6.12-rc4.x
linux / linux_kernel 2.6.12-rc5 2.6.12-rc5.x
linux / linux_kernel 6.16-rc1 6.16-rc1.x
linux / linux_kernel 6.16-rc2 6.16-rc2.x
linux / linux_kernel 6.16-rc3 6.16-rc3.x
linux / linux_kernel 6.16-rc4 6.16-rc4.x
linux / linux_kernel 6.16-rc5 6.16-rc5.x
debian / debian_linux 11.0 11.0.x