media: venus: fix use after free bug in venus_remove due to race condition

{
  "id": "90dc21a2ce2d2e28f77be128b35d198887f15c3af30bf3e28b56e834239ebb69",
  "url": "https://osv.dev/vulnerability/CVE-2024-49981",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "media: venus: fix use after free bug in venus_remove due to race condition",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: media: venus: fix use after free bug in venus_remove due to race condition in venus_probe, core->work is bound with venus_sys_error_handler, which is used to handle error. The code use core->sys_err_done to make sync work. The core->work is started in venus_event_notify. If we call venus_remove, there might be an unfished work. The possible sequence is as follows: CPU0 CPU1 |venus_sys_error_handler venus_remove | hfi_destroy | venus_hfi_destroy | kfree(hdev); | |hfi_reinit |venus_hfi_queues_reinit |//use hdev Fix it by canceling the work in venus_remove.",
    "evidence": "osv:CVE-2024-49981",
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      "modified": "2026-10-28T02:30:34.337155993Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/10941d4f99a5a34999121b314afcd9c0a1c14f15",
        "https://git.kernel.org/stable/c/2a541fcc0bd2b05a458e9613376df1289ec11621",
        "https://git.kernel.org/stable/c/5098b9e6377577fe13d03e1d8914930f014a3314",
        "https://git.kernel.org/stable/c/60b6968341a6dd5353554f3e72db554693a128a5",
        "https://git.kernel.org/stable/c/63bbe26471ebdcc3c20bb4cc3950d666279ad658",
        "https://git.kernel.org/stable/c/b0686aedc5f1343442d044bd64eeac7e7a391f4e",
        "https://git.kernel.org/stable/c/bf6be32e2d39f6301ff1831e249d32a8744ab28a",
        "https://git.kernel.org/stable/c/c5a85ed88e043474161bbfe54002c89c1cb50ee2",
        "https://git.kernel.org/stable/c/d925e9f7fb5a2dbefd1a73fc01061f38c7becd4c",
        "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html",
        "https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/49xxx/CVE-2024-49981.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-49981",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
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    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
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  "source_id": "core-osv",
  "document_id": 501250,
  "published_at": "2024-10-21T18:02:27.142+00:00"
}