github - ghsa-5xg5-ffcr-c2cc

ghsa-5xg5-ffcr-c2cc

Vulnerability from github

Published

2024-06-19 15:30

Modified

2024-08-19 18:32

Severity

7.8 (High) - CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

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

net: hns3: fix use-after-free bug in hclgevf_send_mbx_msg

Currently, the hns3_remove function firstly uninstall client instance, and then uninstall acceletion engine device. The netdevice is freed in client instance uninstall process, but acceletion engine device uninstall process still use it to trace runtime information. This causes a use after free problem.

So fixes it by check the instance register state to avoid use after free.

Show details on source website

{
  "affected": [],
  "aliases": [
    "CVE-2021-47596"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-06-19T15:15:54Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: hns3: fix use-after-free bug in hclgevf_send_mbx_msg\n\nCurrently, the hns3_remove function firstly uninstall client instance,\nand then uninstall acceletion engine device. The netdevice is freed in\nclient instance uninstall process, but acceletion engine device uninstall\nprocess still use it to trace runtime information. This causes a use after\nfree problem.\n\nSo fixes it by check the instance register state to avoid use after free.",
  "id": "GHSA-5xg5-ffcr-c2cc",
  "modified": "2024-08-19T18:32:03Z",
  "published": "2024-06-19T15:30:55Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-47596"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/12512bc8f25b8ba9795dfbae0e9ca57ff13fd542"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/27cbf64a766e86f068ce6214f04c00ceb4db1af4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4f4a353f6fe033807cd026a5de81c67469ff19b0"
    }
  ],
  "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"
    }
  ]
}

cve-2021-47596

Vulnerability from cvelistv5

Published

2024-06-19 14:53

Modified

2024-09-11 17:34

Severity

Summary

net: hns3: fix use-after-free bug in hclgevf_send_mbx_msg

References

URL	Tags
https://git.kernel.org/stable/c/12512bc8f25b8ba9795dfbae0e9ca57ff13fd542
https://git.kernel.org/stable/c/4f4a353f6fe033807cd026a5de81c67469ff19b0
https://git.kernel.org/stable/c/27cbf64a766e86f068ce6214f04c00ceb4db1af4

Impacted products

Vendor	Product
Linux	Linux
Linux	Linux

Show details on NVD website

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