logo_clicknbuy.png

CVE-2025-21829 – “RDMA/RXE Memory Corruption Vulnerability”

The following table lists the changes that have been made to the
CVE-2025-21829 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Mar. 06, 2025

    Action Type Old Value New Value
    Added Description 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:
    ”

    ? 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

    ”
    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.
    Added Reference https://git.kernel.org/stable/c/45e567800492088bc52c9abac35524b4d332a8f8
    Added Reference https://git.kernel.org/stable/c/720653309dd31c8a927ef5d87964578ad544980f
    Added Reference https://git.kernel.org/stable/c/7a2de8126ed3801f2396720e10a03cd546a3cea1
    Added Reference https://git.kernel.org/stable/c/a7d15eaecf0d6e13226db629ae2401c8c02683e5
    Added Reference https://git.kernel.org/stable/c/edc4ef0e0154096d6c0cf5e06af6fc330dbad9d1
Share the Post:

Related Posts