CVE-2025-71157

Summary

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

RDMA/core: always drop device refcount in ib_del_sub_device_and_put()

Since nldev_deldev() (introduced by commit 060c642b2ab8 ("RDMA/nldev: Add support to add/delete a sub IB device through netlink") grabs a reference using ib_device_get_by_index() before calling ib_del_sub_device_and_put(), we need to drop that reference before returning -EOPNOTSUPP error.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxbca51197620a257e2954be99b16f05115c3b2630 < 20436f2742a92b7afeb2504eb559a98d2196b001affected
LinuxLinuxbca51197620a257e2954be99b16f05115c3b2630 < fe8d456080423b9ed410469fbd1e2098d3acce2baffected
LinuxLinuxbca51197620a257e2954be99b16f05115c3b2630 < fa3c411d21ebc26ffd175c7256c37cefa35020aaaffected
LinuxLinux6.11affected
LinuxLinux0 < 6.11unaffected
LinuxLinux6.12.64 <= 6.12.*unaffected
LinuxLinux6.18.4 <= 6.18.*unaffected
LinuxLinux6.19 <= *unaffected

Weaknesses

References