GHSA-HPW2-J46J-HPV2

Vulnerability from github – Published: 2022-05-13 01:36 – Updated: 2022-05-13 01:36
VLAI?
Details

A flaw was found in the Linux kernel's handling of clearing SELinux attributes on /proc/pid/attr files before 4.9.10. An empty (null) write to this file can crash the system by causing the system to attempt to access unmapped kernel memory.

Severity ?
5.5 (Medium)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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{
  "affected": [],
  "aliases": [
    "CVE-2017-2618"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-193",
      "CWE-682"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2018-07-27T19:29:00Z",
    "severity": "MODERATE"
  },
  "details": "A flaw was found in the Linux kernel\u0027s handling of clearing SELinux attributes on /proc/pid/attr files before 4.9.10. An empty (null) write to this file can crash the system by causing the system to attempt to access unmapped kernel memory.",
  "id": "GHSA-hpw2-j46j-hpv2",
  "modified": "2022-05-13T01:36:53Z",
  "published": "2022-05-13T01:36:53Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-2618"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2017:0931"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2017:0932"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2017:0933"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2017-2618"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1419916"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2618"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=0c461cb727d146c9ef2d3e86214f498b78b7d125"
    },
    {
      "type": "WEB",
      "url": "https://marc.info/?l=selinux\u0026m=148588165923772\u0026w=2"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2017/dsa-3791"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/96272"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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