github - ghsa-9p9r-j677-3r3q

ghsa-9p9r-j677-3r3q

Vulnerability from github

Published

2022-07-19 00:00

Modified

2022-07-29 00:00

Severity ?

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

Details

When setting font with malicous data by ioctl cmd PIO_FONT,kernel will write memory out of bounds.

Show details on source website

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{
  "affected": [],
  "aliases": [
    "CVE-2021-33656"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-787"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-07-18T15:15:00Z",
    "severity": "HIGH"
  },
  "details": "When setting font with malicous data by ioctl cmd PIO_FONT,kernel will write memory out of bounds.",
  "id": "GHSA-9p9r-j677-3r3q",
  "modified": "2022-07-29T00:00:41Z",
  "published": "2022-07-19T00:00:26Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-33656"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/releases/5.10.127/vt-drop-old-font-ioctls.patch"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html"
    },
    {
      "type": "WEB",
      "url": "https://www.openeuler.org/en/security/cve/detail.html?id=CVE-2021-33656\u0026packageName=kernel"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2022/07/19/3"
    }
  ],
  "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-2021-33656 (GCVE-0-2021-33656)

Vulnerability from cvelistv5

Published

2022-07-18 14:44

Modified

2024-08-03 23:58

Severity ?

CWE

CWE-787 - Out-of-bounds Write

Summary

When setting font with malicous data by ioctl cmd PIO_FONT,kernel will write memory out of bounds.

References

URL

Tags

	https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/releases/5.10.127/vt-drop-old-font-ioctls.patch	x_refsource_MISC
	https://www.openeuler.org/en/security/cve/detail.html?id=CVE-2021-33656&packageName=kernel	x_refsource_MISC
	http://www.openwall.com/lists/oss-security/2022/07/19/3	mailing-list, x_refsource_MLIST
	https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html	mailing-list, x_refsource_MLIST

Impacted products

	Vendor	Product	Version
	n/a	openEuler:kernel	Version: <5.10.127

Show details on NVD website

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}

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