ghsa-33h3-4p7j-r54j
Vulnerability from github
Published
2024-06-19 15:30
Modified
2024-08-27 18:31
Details

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

RDMA: Fix use-after-free in rxe_queue_cleanup

On error handling path in rxe_qp_from_init() qp->sq.queue is freed and then rxe_create_qp() will drop last reference to this object. qp clean up function will try to free this queue one time and it causes UAF bug.

Fix it by zeroing queue pointer after freeing queue in rxe_qp_from_init().

Show details on source website


{
  "affected": [],
  "aliases": [
    "CVE-2021-47616"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-06-19T15:15:56Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA: Fix use-after-free in rxe_queue_cleanup\n\nOn error handling path in rxe_qp_from_init() qp-\u003esq.queue is freed and\nthen rxe_create_qp() will drop last reference to this object. qp clean up\nfunction will try to free this queue one time and it causes UAF bug.\n\nFix it by zeroing queue pointer after freeing queue in rxe_qp_from_init().",
  "id": "GHSA-33h3-4p7j-r54j",
  "modified": "2024-08-27T18:31:35Z",
  "published": "2024-06-19T15:30:55Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-47616"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/84b01721e8042cdd1e8ffeb648844a09cd4213e0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/acb53e47db1fbc7cd37ab10b46388f045a76e383"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.