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CVE-2022-49429 (GCVE-0-2022-49429)

Vulnerability from cvelistv5 – Published: 2025-02-26 02:12 – Updated: 2026-05-11 18:59
VLAI
Title
RDMA/hfi1: Prevent panic when SDMA is disabled
Summary
In the Linux kernel, the following vulnerability has been resolved: RDMA/hfi1: Prevent panic when SDMA is disabled If the hfi1 module is loaded with HFI1_CAP_SDMA off, a call to hfi1_write_iter() will dereference a NULL pointer and panic. A typical stack frame is: sdma_select_user_engine [hfi1] hfi1_user_sdma_process_request [hfi1] hfi1_write_iter [hfi1] do_iter_readv_writev do_iter_write vfs_writev do_writev do_syscall_64 The fix is to test for SDMA in hfi1_write_iter() and fail the I/O with EINVAL.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 0cb2aa690c7ef14ad1f544288349abb5434bb75d , < 33794e8e9bcb4affc0ebff9cdec85acc8b8a1762 (git)
Affected: 0cb2aa690c7ef14ad1f544288349abb5434bb75d , < 0e4dda8b3f4c07ee9ea670a10ea3171a5e63a86f (git)
Affected: 0cb2aa690c7ef14ad1f544288349abb5434bb75d , < e60ad83f645ee6fadd5a8057ba267aeec54f08fe (git)
Affected: 0cb2aa690c7ef14ad1f544288349abb5434bb75d , < cc80d3c37cec9d6ddb140483647901bc7cc6c31d (git)
Affected: 0cb2aa690c7ef14ad1f544288349abb5434bb75d , < 32e6aea33944f364d51cd263e4cd236393a188b6 (git)
Affected: 0cb2aa690c7ef14ad1f544288349abb5434bb75d , < 29952ab85d6c3fe0b7909d9a737f10c58bf6824d (git)
Affected: 0cb2aa690c7ef14ad1f544288349abb5434bb75d , < 22e7e400fd1a890db2ea13686324aff50e972f4f (git)
Affected: 0cb2aa690c7ef14ad1f544288349abb5434bb75d , < 629e052d0c98e46dde9f0824f0aa437f678d9b8f (git)
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Linux Linux Affected: 4.9
Unaffected: 0 , < 4.9 (semver)
Unaffected: 4.14.283 , ≤ 4.14.* (semver)
Unaffected: 4.19.247 , ≤ 4.19.* (semver)
Unaffected: 5.4.198 , ≤ 5.4.* (semver)
Unaffected: 5.10.121 , ≤ 5.10.* (semver)
Unaffected: 5.15.46 , ≤ 5.15.* (semver)
Unaffected: 5.17.14 , ≤ 5.17.* (semver)
Unaffected: 5.18.3 , ≤ 5.18.* (semver)
Unaffected: 5.19 , ≤ * (original_commit_for_fix)
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/hfi1: Prevent panic when SDMA is disabled\n\nIf the hfi1 module is loaded with HFI1_CAP_SDMA off, a call to\nhfi1_write_iter() will dereference a NULL pointer and panic. A typical\nstack frame is:\n\n  sdma_select_user_engine [hfi1]\n  hfi1_user_sdma_process_request [hfi1]\n  hfi1_write_iter [hfi1]\n  do_iter_readv_writev\n  do_iter_write\n  vfs_writev\n  do_writev\n  do_syscall_64\n\nThe fix is to test for SDMA in hfi1_write_iter() and fail the I/O with\nEINVAL."
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        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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A typical\\nstack frame is:\\n\\n  sdma_select_user_engine [hfi1]\\n  hfi1_user_sdma_process_request [hfi1]\\n  hfi1_write_iter [hfi1]\\n  do_iter_readv_writev\\n  do_iter_write\\n  vfs_writev\\n  do_writev\\n  do_syscall_64\\n\\nThe fix is to test for SDMA in hfi1_write_iter() and fail the I/O with\\nEINVAL.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: RDMA/hfi1: Evitar p\u00e1nico cuando SDMA est\u00e1 deshabilitado Si el m\u00f3dulo hfi1 se carga con HFI1_CAP_SDMA desactivado, una llamada a hfi1_write_iter() desreferenciar\u00e1 un puntero NULL y generar\u00e1 p\u00e1nico. 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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-29T21:06:55+00:00",
      "cve": "CVE-2022-49429",
      "id": "CVE-2022-49429",
      "initial_release_date": "2022-01-01T00:00:00+00:00",
      "product_status:fixed": "321",
      "product_status:known_affected": "66",
      "product_status:known_not_affected": "90",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: RDMA/hfi1: Prevent panic when SDMA is disabled",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-49429.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-02T02:04:22Z",
      "cve": "CVE-2022-49429",
      "id": "CVE-2022-49429",
      "initial_release_date": "2025-02-27T03:07:03Z",
      "product_status:known_affected": "524",
      "product_status:known_not_affected": "210",
      "product_status:recommended": "310",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2022-49429",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-49429.json",
      "version": "61"
    }
  }
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.