CVE-2026-93110

Summary

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

RDMA/core: Wait for RCU callbacks before unloading ib_core

put_gid_ndev() is queued with call_rcu() and implemented in ib_core. Stopping the workqueues does not drain callbacks already queued, so RCU could invoke it after the module code has been unloaded.

synchronize_rcu() does not wait for callbacks. Wait for them after all producers have stopped.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux943bd984b108b3bb778790c2da4ae8d186b547e6 < 82dfd1df456227279b1c8c648983a530f2612098affected
LinuxLinux943bd984b108b3bb778790c2da4ae8d186b547e6 < 1646e123e56c3ad679fbfb571e8eef6386efb729affected
LinuxLinux943bd984b108b3bb778790c2da4ae8d186b547e6 < 8e4f1677c09d75d738099f42afcf65d8587b664aaffected
LinuxLinux943bd984b108b3bb778790c2da4ae8d186b547e6 < 7853af5f15738dc00aebaa1fc9f1f0df40f6f603affected
LinuxLinux943bd984b108b3bb778790c2da4ae8d186b547e6 < 0d5817fa4819abdc445fa77b5be4f0d49334a864affected
LinuxLinux943bd984b108b3bb778790c2da4ae8d186b547e6 < 9d998297fdaf47492f6679287f6552879d1a7e3aaffected
LinuxLinux943bd984b108b3bb778790c2da4ae8d186b547e6 < 48b72fa0d209a92fb51b834a6080171cfa207b2caffected
LinuxLinux943bd984b108b3bb778790c2da4ae8d186b547e6 < 7d75592114d1664623c8cf191a12b38052c04483affected
LinuxLinux5.2affected
LinuxLinux0 < 5.2unaffected
LinuxLinux5.10.270 <= 5.10.*unaffected
LinuxLinux5.15.221 <= 5.15.*unaffected
LinuxLinux6.1.188 <= 6.1.*unaffected
LinuxLinux6.6.157 <= 6.6.*unaffected
LinuxLinux6.12.110 <= 6.12.*unaffected
LinuxLinux6.18.52 <= 6.18.*unaffected
LinuxLinux7.2.6 <= 7.2.*unaffected
LinuxLinux7.3-rc1 <= *unaffected

Weaknesses

References