GHSA-C3X8-GG69-X2JW

Vulnerability from github – Published: 2022-02-19 00:01 – Updated: 2022-03-19 00:01
VLAI?
Details

A flaw use after free in the Linux kernel Management Component Transport Protocol (MCTP) subsystem was found in the way user triggers cancel_work_sync after the unregister_netdev during removing device. A local user could use this flaw to crash the system or escalate their privileges on the system. It is actual from Linux Kernel 5.17-rc1 (when mctp-serial.c introduced) till 5.17-rc5.

Severity ?
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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{
  "affected": [],
  "aliases": [
    "CVE-2022-0646"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416",
      "CWE-459"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-02-18T18:15:00Z",
    "severity": "HIGH"
  },
  "details": "A flaw use after free in the Linux kernel Management Component Transport Protocol (MCTP) subsystem was found in the way user triggers cancel_work_sync after the unregister_netdev during removing device. A local user could use this flaw to crash the system or escalate their privileges on the system. It is actual from Linux Kernel 5.17-rc1 (when mctp-serial.c introduced) till 5.17-rc5.",
  "id": "GHSA-c3x8-gg69-x2jw",
  "modified": "2022-03-19T00:01:45Z",
  "published": "2022-02-19T00:01:28Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-0646"
    },
    {
      "type": "WEB",
      "url": "https://lore.kernel.org/all/20220211011552.1861886-1-jk%40codeconstruct.com.au"
    },
    {
      "type": "WEB",
      "url": "https://lore.kernel.org/all/20220211011552.1861886-1-jk@codeconstruct.com.au"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20220318-0006"
    }
  ],
  "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"
    }
  ]
}


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  • 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.