{
  "affected": [
    {
      "ecosystem_specific": {
        "urgency": "not yet assigned"
      },
      "package": {
        "ecosystem": "Debian:13",
        "name": "linux"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.12.13-1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "urgency": "not yet assigned"
      },
      "package": {
        "ecosystem": "Debian:14",
        "name": "linux"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.12.13-1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "In the Linux kernel, the following vulnerability has been resolved:  RDMA/rtrs: Add missing deinit() call  A warning is triggered when repeatedly connecting and disconnecting the rnbd:  list_add corruption. prev-\u003enext should be next (ffff88800b13e480), but was ffff88801ecd1338. (prev=ffff88801ecd1340).  WARNING: CPU: 1 PID: 36562 at lib/list_debug.c:32 __list_add_valid_or_report+0x7f/0xa0  Workqueue: ib_cm cm_work_handler [ib_cm]  RIP: 0010:__list_add_valid_or_report+0x7f/0xa0   ? __list_add_valid_or_report+0x7f/0xa0   ib_register_event_handler+0x65/0x93 [ib_core]   rtrs_srv_ib_dev_init+0x29/0x30 [rtrs_server]   rtrs_ib_dev_find_or_add+0x124/0x1d0 [rtrs_core]   __alloc_path+0x46c/0x680 [rtrs_server]   ? rtrs_rdma_connect+0xa6/0x2d0 [rtrs_server]   ? rcu_is_watching+0xd/0x40   ? __mutex_lock+0x312/0xcf0   ? get_or_create_srv+0xad/0x310 [rtrs_server]   ? rtrs_rdma_connect+0xa6/0x2d0 [rtrs_server]   rtrs_rdma_connect+0x23c/0x2d0 [rtrs_server]   ? __lock_release+0x1b1/0x2d0   cma_cm_event_handler+0x4a/0x1a0 [rdma_cm]   cma_ib_req_handler+0x3a0/0x7e0 [rdma_cm]   cm_process_work+0x28/0x1a0 [ib_cm]   ? _raw_spin_unlock_irq+0x2f/0x50   cm_req_handler+0x618/0xa60 [ib_cm]   cm_work_handler+0x71/0x520 [ib_cm]  Commit 667db86bcbe8 (\"RDMA/rtrs: Register ib event handler\") introduced a new element .deinit but never used it at all. Fix it by invoking the `deinit()` to appropriately unregister the IB event handler.",
  "id": "DEBIAN-CVE-2025-21805",
  "modified": "2026-09-01T19:48:14.285386837Z",
  "published": "2025-02-27T20:16:03.127Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://security-tracker.debian.org/tracker/CVE-2025-21805"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "upstream": [
    "CVE-2025-21805"
  ]
}