Vulnerability Database

314,343

Total vulnerabilities in the database

CVE-2025-39872

In the Linux kernel, the following vulnerability has been resolved:

hsr: hold rcu and dev lock for hsr_get_port_ndev

hsr_get_port_ndev calls hsr_for_each_port, which need to hold rcu lock. On the other hand, before return the port device, we need to hold the device reference to avoid UaF in the caller function.

  • Published: Sep 23, 2025
  • Updated: Dec 15, 2025
  • CVE: CVE-2025-39872
  • 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

No CWE or OWASP classifications available.

Software From Fixed in
linux / linux_kernel 6.14 6.16.8
linux / linux_kernel 6.17-rc1 6.17-rc1.x
linux / linux_kernel 6.17-rc2 6.17-rc2.x
linux / linux_kernel 6.17-rc3 6.17-rc3.x
linux / linux_kernel 6.17-rc4 6.17-rc4.x
linux / linux_kernel 6.17-rc5 6.17-rc5.x