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

JSON

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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

Vulnerability from cvelistv5

Published

2022-07-18 14:44

Modified

2024-08-03 23:58

Severity ?

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
	n/a	openEuler:kernel

Show details on NVD website

JSON

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            "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"
          },
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              "x_transferred"
            ],
            "url": "https://www.openeuler.org/en/security/cve/detail.html?id=CVE-2021-33656\u0026packageName=kernel"
          },
          {
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            "url": "http://www.openwall.com/lists/oss-security/2022/07/19/3"
          },
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            "name": "[debian-lts-announce] 20221002 [SECURITY] [DLA 3131-1] linux security update",
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              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "openEuler:kernel",
          "vendor": "n/a",
          "versions": [
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          "url": "https://www.openeuler.org/en/security/cve/detail.html?id=CVE-2021-33656\u0026packageName=kernel"
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    "datePublished": "2022-07-18T14:44:28",
    "dateReserved": "2021-05-28T00:00:00",
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}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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