CVE-2025-21829

EPSS 0.01%
Veröffentlicht 06.03.2025 17:15:22
Zuletzt bearbeitet 03.11.2025 21:19:13
Quelle 416baaa9-dc9f-4396-8d5f-8c081f
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RDMA/rxe: Fix the warning "__rxe_cleanup+0x12c/0x170 [rdma_rxe]"

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

RDMA/rxe: Fix the warning "__rxe_cleanup+0x12c/0x170 [rdma_rxe]"

The Call Trace is as below:
"
  <TASK>
  ? show_regs.cold+0x1a/0x1f
  ? __rxe_cleanup+0x12c/0x170 [rdma_rxe]
  ? __warn+0x84/0xd0
  ? __rxe_cleanup+0x12c/0x170 [rdma_rxe]
  ? report_bug+0x105/0x180
  ? handle_bug+0x46/0x80
  ? exc_invalid_op+0x19/0x70
  ? asm_exc_invalid_op+0x1b/0x20
  ? __rxe_cleanup+0x12c/0x170 [rdma_rxe]
  ? __rxe_cleanup+0x124/0x170 [rdma_rxe]
  rxe_destroy_qp.cold+0x24/0x29 [rdma_rxe]
  ib_destroy_qp_user+0x118/0x190 [ib_core]
  rdma_destroy_qp.cold+0x43/0x5e [rdma_cm]
  rtrs_cq_qp_destroy.cold+0x1d/0x2b [rtrs_core]
  rtrs_srv_close_work.cold+0x1b/0x31 [rtrs_server]
  process_one_work+0x21d/0x3f0
  worker_thread+0x4a/0x3c0
  ? process_one_work+0x3f0/0x3f0
  kthread+0xf0/0x120
  ? kthread_complete_and_exit+0x20/0x20
  ret_from_fork+0x22/0x30
  </TASK>
"
When too many rdma resources are allocated, rxe needs more time to
handle these rdma resources. Sometimes with the current timeout, rxe
can not release the rdma resources correctly.

Compared with other rdma drivers, a bigger timeout is used.