github - ghsa-286w-m7xc-q3hr

GHSA-286W-M7XC-Q3HR

Vulnerability from github – Published: 2022-05-14 03:20 – Updated: 2022-05-14 03:20

Details

The __munlock_pagevec function in mm/mlock.c in the Linux kernel before 4.11.4 allows local users to cause a denial of service (NR_MLOCK accounting corruption) via crafted use of mlockall and munlockall system calls.

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-2017-18221"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-20"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2018-03-07T08:29:00Z",
    "severity": "MODERATE"
  },
  "details": "The __munlock_pagevec function in mm/mlock.c in the Linux kernel before 4.11.4 allows local users to cause a denial of service (NR_MLOCK accounting corruption) via crafted use of mlockall and munlockall system calls.",
  "id": "GHSA-286w-m7xc-q3hr",
  "modified": "2022-05-14T03:20:48Z",
  "published": "2022-05-14T03:20:48Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-18221"
    },
    {
      "type": "WEB",
      "url": "https://github.com/torvalds/linux/commit/70feee0e1ef331b22cc51f383d532a0d043fbdcc"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/3655-1"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/3655-2"
    },
    {
      "type": "WEB",
      "url": "https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.11.4"
    },
    {
      "type": "WEB",
      "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=70feee0e1ef331b22cc51f383d532a0d043fbdcc"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/103321"
    }
  ],
  "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"
    }
  ]
}

CVE-2017-18221 (GCVE-0-2017-18221)

Vulnerability from cvelistv5 – Published: 2018-03-07 08:00 – Updated: 2024-08-05 21:13

Summary

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	https://github.com/torvalds/linux/commit/70feee0e…	x_refsource_MISC
	https://usn.ubuntu.com/3655-1/	vendor-advisoryx_refsource_UBUNTU
	http://git.kernel.org/cgit/linux/kernel/git/torva…	x_refsource_MISC
	https://www.kernel.org/pub/linux/kernel/v4.x/Chan…	x_refsource_MISC
	https://usn.ubuntu.com/3655-2/	vendor-advisoryx_refsource_UBUNTU
	http://www.securityfocus.com/bid/103321	vdb-entryx_refsource_BID

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Sightings

Author	Source	Type	Date

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.

Action not permitted

GHSA-286W-M7XC-Q3HR

CVE-2017-18221 (GCVE-0-2017-18221)

Tags

Sightings

Nomenclature