Vulnerability-Lookup

CERTFR-2023-AVI-0726

Vulnerability from certfr_avis - Published: - Updated:

De multiples vulnérabilités ont été découvertes dans le noyau Linux d'Ubuntu. Certaines d'entre elles permettent à un attaquant de provoquer une exécution de code arbitraire à distance, une atteinte à l'intégrité des données et une atteinte à la confidentialité des données.

Solution

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

None

Impacted products

Vendor	Product	Description
Ubuntu	Ubuntu	Ubuntu 16.04 ESM
Ubuntu	Ubuntu	Ubuntu 18.04 ESM
Ubuntu	Ubuntu	Ubuntu 20.04 LTS
Ubuntu	Ubuntu	Ubuntu 23.04
Ubuntu	Ubuntu	Ubuntu 14.04 ESM
Ubuntu	Ubuntu	Ubuntu 22.04 LTS

References

Title

Publication Time

Tags

Bulletin de sécurité Ubuntu USN-6337-1 du 04 septembre 2023	None	vendor-advisory
Bulletin de sécurité Ubuntu USN-6355-1 du 08 septembre 2023	None	vendor-advisory
Bulletin de sécurité Ubuntu USN-6346-1 du 06 septembre 2023	None	vendor-advisory
Bulletin de sécurité Ubuntu USN-6344-1 du 06 septembre 2023	None	vendor-advisory
Bulletin de sécurité Ubuntu USN-6343-1 du 06 septembre 2023	None	vendor-advisory
Bulletin de sécurité Ubuntu USN-6338-1 du 05 septembre 2023	None	vendor-advisory
Bulletin de sécurité Ubuntu LSN-0097-1 du 05 septembre 2023	None	vendor-advisory
Bulletin de sécurité Ubuntu USN-6348-1 du 06 septembre 2023	None	vendor-advisory
Bulletin de sécurité Ubuntu USN-6342-1 du 06 septembre 2023	None	vendor-advisory
Bulletin de sécurité Ubuntu USN-6350-1 du 06 septembre 2023	None	vendor-advisory
Bulletin de sécurité Ubuntu USN-6339-1 du 05 septembre 2023	None	vendor-advisory
Bulletin de sécurité Ubuntu USN-6351-1 du 06 septembre 2023	None	vendor-advisory
Bulletin de sécurité Ubuntu USN-6340-1 du 05 septembre 2023	None	vendor-advisory
Bulletin de sécurité Ubuntu USN-6349-1 du 06 septembre 2023	None	vendor-advisory
Bulletin de sécurité Ubuntu USN-6341-1 du 06 septembre 2023	None	vendor-advisory
Bulletin de sécurité Ubuntu USN-6347-1 du 06 septembre 2023	None	vendor-advisory

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{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "Ubuntu 16.04 ESM",
      "product": {
        "name": "Ubuntu",
        "vendor": {
          "name": "Ubuntu",
          "scada": false
        }
      }
    },
    {
      "description": "Ubuntu 18.04 ESM",
      "product": {
        "name": "Ubuntu",
        "vendor": {
          "name": "Ubuntu",
          "scada": false
        }
      }
    },
    {
      "description": "Ubuntu 20.04 LTS",
      "product": {
        "name": "Ubuntu",
        "vendor": {
          "name": "Ubuntu",
          "scada": false
        }
      }
    },
    {
      "description": "Ubuntu 23.04",
      "product": {
        "name": "Ubuntu",
        "vendor": {
          "name": "Ubuntu",
          "scada": false
        }
      }
    },
    {
      "description": "Ubuntu 14.04 ESM",
      "product": {
        "name": "Ubuntu",
        "vendor": {
          "name": "Ubuntu",
          "scada": false
        }
      }
    },
    {
      "description": "Ubuntu 22.04 LTS",
      "product": {
        "name": "Ubuntu",
        "vendor": {
          "name": "Ubuntu",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": null,
  "content": "## Solution\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des\ncorrectifs (cf. section Documentation).\n",
  "cves": [
    {
      "name": "CVE-2022-28733",
      "url": "https://www.cve.org/CVERecord?id=CVE-2022-28733"
    },
    {
      "name": "CVE-2023-28466",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-28466"
    },
    {
      "name": "CVE-2023-30772",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-30772"
    },
    {
      "name": "CVE-2021-3695",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-3695"
    },
    {
      "name": "CVE-2023-2235",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-2235"
    },
    {
      "name": "CVE-2023-21400",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-21400"
    },
    {
      "name": "CVE-2022-48502",
      "url": "https://www.cve.org/CVERecord?id=CVE-2022-48502"
    },
    {
      "name": "CVE-2022-28735",
      "url": "https://www.cve.org/CVERecord?id=CVE-2022-28735"
    },
    {
      "name": "CVE-2023-3390",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-3390"
    },
    {
      "name": "CVE-2023-4004",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-4004"
    },
    {
      "name": "CVE-2023-2002",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-2002"
    },
    {
      "name": "CVE-2022-28734",
      "url": "https://www.cve.org/CVERecord?id=CVE-2022-28734"
    },
    {
      "name": "CVE-2022-4269",
      "url": "https://www.cve.org/CVERecord?id=CVE-2022-4269"
    },
    {
      "name": "CVE-2023-3159",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-3159"
    },
    {
      "name": "CVE-2023-2985",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-2985"
    },
    {
      "name": "CVE-2023-40283",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-40283"
    },
    {
      "name": "CVE-2023-35788",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-35788"
    },
    {
      "name": "CVE-2023-2163",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-2163"
    },
    {
      "name": "CVE-2023-3777",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-3777"
    },
    {
      "name": "CVE-2022-0168",
      "url": "https://www.cve.org/CVERecord?id=CVE-2022-0168"
    },
    {
      "name": "CVE-2023-1855",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-1855"
    },
    {
      "name": "CVE-2023-31248",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-31248"
    },
    {
      "name": "CVE-2023-35828",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-35828"
    },
    {
      "name": "CVE-2022-28736",
      "url": "https://www.cve.org/CVERecord?id=CVE-2022-28736"
    },
    {
      "name": "CVE-2023-3995",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-3995"
    },
    {
      "name": "CVE-2023-31084",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-31084"
    },
    {
      "name": "CVE-2023-3090",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-3090"
    },
    {
      "name": "CVE-2023-3611",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-3611"
    },
    {
      "name": "CVE-2023-4128",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-4128"
    },
    {
      "name": "CVE-2023-2194",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-2194"
    },
    {
      "name": "CVE-2023-33203",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-33203"
    },
    {
      "name": "CVE-2023-3111",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-3111"
    },
    {
      "name": "CVE-2023-32252",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-32252"
    },
    {
      "name": "CVE-2023-20593",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-20593"
    },
    {
      "name": "CVE-2023-32629",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-32629"
    },
    {
      "name": "CVE-2023-32257",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-32257"
    },
    {
      "name": "CVE-2022-1184",
      "url": "https://www.cve.org/CVERecord?id=CVE-2022-1184"
    },
    {
      "name": "CVE-2022-28737",
      "url": "https://www.cve.org/CVERecord?id=CVE-2022-28737"
    },
    {
      "name": "CVE-2022-48425",
      "url": "https://www.cve.org/CVERecord?id=CVE-2022-48425"
    },
    {
      "name": "CVE-2023-33288",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-33288"
    },
    {
      "name": "CVE-2023-21255",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-21255"
    },
    {
      "name": "CVE-2023-1990",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-1990"
    },
    {
      "name": "CVE-2023-3567",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-3567"
    },
    {
      "name": "CVE-2023-35824",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-35824"
    },
    {
      "name": "CVE-2022-40982",
      "url": "https://www.cve.org/CVERecord?id=CVE-2022-40982"
    },
    {
      "name": "CVE-2023-3609",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-3609"
    },
    {
      "name": "CVE-2023-32258",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-32258"
    },
    {
      "name": "CVE-2023-4155",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-4155"
    },
    {
      "name": "CVE-2023-35823",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-35823"
    },
    {
      "name": "CVE-2021-3697",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-3697"
    },
    {
      "name": "CVE-2023-3776",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-3776"
    },
    {
      "name": "CVE-2023-4194",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-4194"
    },
    {
      "name": "CVE-2022-27672",
      "url": "https://www.cve.org/CVERecord?id=CVE-2022-27672"
    },
    {
      "name": "CVE-2023-2269",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-2269"
    },
    {
      "name": "CVE-2023-2898",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-2898"
    },
    {
      "name": "CVE-2020-36691",
      "url": "https://www.cve.org/CVERecord?id=CVE-2020-36691"
    },
    {
      "name": "CVE-2023-38428",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-38428"
    },
    {
      "name": "CVE-2023-32247",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-32247"
    },
    {
      "name": "CVE-2021-3696",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-3696"
    },
    {
      "name": "CVE-2023-32248",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-32248"
    },
    {
      "name": "CVE-2023-3141",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-3141"
    },
    {
      "name": "CVE-2023-3610",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-3610"
    },
    {
      "name": "CVE-2023-0458",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-0458"
    },
    {
      "name": "CVE-2023-4015",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-4015"
    },
    {
      "name": "CVE-2023-3212",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-3212"
    },
    {
      "name": "CVE-2023-4273",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-4273"
    },
    {
      "name": "CVE-2023-35001",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-35001"
    },
    {
      "name": "CVE-2023-23004",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-23004"
    },
    {
      "name": "CVE-2023-35829",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-35829"
    },
    {
      "name": "CVE-2021-3981",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-3981"
    },
    {
      "name": "CVE-2023-0597",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-0597"
    },
    {
      "name": "CVE-2023-38426",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-38426"
    },
    {
      "name": "CVE-2022-3775",
      "url": "https://www.cve.org/CVERecord?id=CVE-2022-3775"
    },
    {
      "name": "CVE-2023-1206",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-1206"
    },
    {
      "name": "CVE-2023-0590",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-0590"
    },
    {
      "name": "CVE-2023-1611",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-1611"
    },
    {
      "name": "CVE-2023-3268",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-3268"
    },
    {
      "name": "CVE-2023-34319",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-34319"
    },
    {
      "name": "CVE-2023-38429",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-38429"
    },
    {
      "name": "CVE-2023-2124",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-2124"
    },
    {
      "name": "CVE-2023-32250",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-32250"
    },
    {
      "name": "CVE-2023-3389",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-3389"
    }
  ],
  "links": [],
  "reference": "CERTFR-2023-AVI-0726",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2023-09-08T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "D\u00e9ni de service \u00e0 distance"
    },
    {
      "description": "Ex\u00e9cution de code arbitraire \u00e0 distance"
    },
    {
      "description": "Atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es"
    },
    {
      "description": "Contournement de la politique de s\u00e9curit\u00e9"
    },
    {
      "description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
    }
  ],
  "summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans \u003cspan\nclass=\"textit\"\u003ele noyau Linux d\u0027Ubuntu\u003c/span\u003e. Certaines d\u0027entre elles\npermettent \u00e0 un attaquant de provoquer une ex\u00e9cution de code arbitraire\n\u00e0 distance, une atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es et une atteinte \u00e0 la\nconfidentialit\u00e9 des donn\u00e9es.\n",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans le noyau Linux d\u0027Ubuntu",
  "vendor_advisories": [
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-6337-1 du 04 septembre 2023",
      "url": "https://ubuntu.com/security/notices/USN-6337-1"
    },
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-6355-1 du 08 septembre 2023",
      "url": "https://ubuntu.com/security/notices/USN-6355-1"
    },
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-6346-1 du 06 septembre 2023",
      "url": "https://ubuntu.com/security/notices/USN-6346-1"
    },
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-6344-1 du 06 septembre 2023",
      "url": "https://ubuntu.com/security/notices/USN-6344-1"
    },
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-6343-1 du 06 septembre 2023",
      "url": "https://ubuntu.com/security/notices/USN-6343-1"
    },
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-6338-1 du 05 septembre 2023",
      "url": "https://ubuntu.com/security/notices/USN-6338-1"
    },
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Ubuntu LSN-0097-1 du 05 septembre 2023",
      "url": "https://ubuntu.com/security/notices/LSN-0097-1"
    },
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-6348-1 du 06 septembre 2023",
      "url": "https://ubuntu.com/security/notices/USN-6348-1"
    },
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-6342-1 du 06 septembre 2023",
      "url": "https://ubuntu.com/security/notices/USN-6342-1"
    },
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-6350-1 du 06 septembre 2023",
      "url": "https://ubuntu.com/security/notices/USN-6350-1"
    },
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-6339-1 du 05 septembre 2023",
      "url": "https://ubuntu.com/security/notices/USN-6339-1"
    },
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-6351-1 du 06 septembre 2023",
      "url": "https://ubuntu.com/security/notices/USN-6351-1"
    },
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-6340-1 du 05 septembre 2023",
      "url": "https://ubuntu.com/security/notices/USN-6340-1"
    },
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-6349-1 du 06 septembre 2023",
      "url": "https://ubuntu.com/security/notices/USN-6349-1"
    },
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-6341-1 du 06 septembre 2023",
      "url": "https://ubuntu.com/security/notices/USN-6341-1"
    },
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-6347-1 du 06 septembre 2023",
      "url": "https://ubuntu.com/security/notices/USN-6347-1"
    }
  ]
}

CVE-2020-36691 (GCVE-0-2020-36691)

Vulnerability from cvelistv5 – Published: 2023-03-24 00:00 – Updated: 2025-02-21 16:03

Summary

An issue was discovered in the Linux kernel before 5.8. lib/nlattr.c allows attackers to cause a denial of service (unbounded recursion) via a nested Netlink policy with a back reference.

Severity

5.5 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE

Assigner

mitre

References

2 references

URL	Tags
https://cdn.kernel.org/pub/linux/kernel/v5.x/Chan…
https://github.com/torvalds/linux/commit/7690aa1c…

Show details on NVD website

JSON

To clipboard

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        "providerMetadata": {
          "dateUpdated": "2024-08-04T17:37:05.255Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
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CVE-2021-3695 (GCVE-0-2021-3695)

Vulnerability from cvelistv5 – Published: 2022-07-06 15:06 – Updated: 2024-08-03 17:01

Summary

A crafted 16-bit grayscale PNG image may lead to a out-of-bounds write in the heap area. An attacker may take advantage of that to cause heap data corruption or eventually arbitrary code execution and circumvent secure boot protections. This issue has a high complexity to be exploited as an attacker needs to perform some triage over the heap layout to achieve signifcant results, also the values written into the memory are repeated three times in a row making difficult to produce valid payloads. This flaw affects grub2 versions prior grub-2.12.

Severity

No CVSS data available.

CWE

CWE-787

Assigner

redhat

References

3 references

URL	Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1991685	x_refsource_MISC
https://security.gentoo.org/glsa/202209-12	vendor-advisoryx_refsource_GENTOO
https://security.netapp.com/advisory/ntap-2022093…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
n/a	grub2	Affected: grub-2.06

Show details on NVD website

JSON

To clipboard

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CVE-2021-3696 (GCVE-0-2021-3696)

Vulnerability from cvelistv5 – Published: 2022-07-06 15:06 – Updated: 2024-08-03 17:01

Summary

A heap out-of-bounds write may heppen during the handling of Huffman tables in the PNG reader. This may lead to data corruption in the heap space. Confidentiality, Integrity and Availablity impact may be considered Low as it's very complex to an attacker control the encoding and positioning of corrupted Huffman entries to achieve results such as arbitrary code execution and/or secure boot circumvention. This flaw affects grub2 versions prior grub-2.12.

Severity

No CVSS data available.

CWE

CWE-787

Assigner

redhat

References

3 references

URL	Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1991686	x_refsource_MISC
https://security.gentoo.org/glsa/202209-12	vendor-advisoryx_refsource_GENTOO
https://security.netapp.com/advisory/ntap-2022093…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
n/a	grub2	Affected: grub-2.06

Show details on NVD website

JSON

To clipboard

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CVE-2021-3697 (GCVE-0-2021-3697)

Vulnerability from cvelistv5 – Published: 2022-07-06 15:06 – Updated: 2024-08-03 17:01

Summary

A crafted JPEG image may lead the JPEG reader to underflow its data pointer, allowing user-controlled data to be written in heap. To a successful to be performed the attacker needs to perform some triage over the heap layout and craft an image with a malicious format and payload. This vulnerability can lead to data corruption and eventual code execution or secure boot circumvention. This flaw affects grub2 versions prior grub-2.12.

Severity

No CVSS data available.

CWE

CWE-787

Assigner

redhat

References

3 references

URL	Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1991687	x_refsource_MISC
https://security.gentoo.org/glsa/202209-12	vendor-advisoryx_refsource_GENTOO
https://security.netapp.com/advisory/ntap-2022093…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
n/a	grub2	Affected: grub-2.06

Show details on NVD website

JSON

To clipboard

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CVE-2021-3981 (GCVE-0-2021-3981)

Vulnerability from cvelistv5 – Published: 2022-03-08 14:02 – Updated: 2025-02-13 16:28

Summary

A flaw in grub2 was found where its configuration file, known as grub.cfg, is being created with the wrong permission set allowing non privileged users to read its content. This represents a low severity confidentiality issue, as those users can eventually read any encrypted passwords present in grub.cfg. This flaw affects grub2 2.06 and previous versions. This issue has been fixed in grub upstream but no version with the fix is currently released.

Severity

No CVSS data available.

CWE

CWE-276

Assigner

redhat

References

4 references

URL	Tags
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://bugzilla.redhat.com/show_bug.cgi?id=2024170	x_refsource_MISC
https://security.gentoo.org/glsa/202209-12	vendor-advisoryx_refsource_GENTOO
http://www.openwall.com/lists/oss-security/2024/01/15/3

Impacted products

1 product

Vendor	Product	Version
n/a	grub2	Affected: grub2 2.06 and previous versions

Show details on NVD website

JSON

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CVE-2022-0168 (GCVE-0-2022-0168)

Vulnerability from cvelistv5 – Published: 2022-08-26 17:25 – Updated: 2024-08-02 23:18

Summary

A denial of service (DOS) issue was found in the Linux kernel’s smb2_ioctl_query_info function in the fs/cifs/smb2ops.c Common Internet File System (CIFS) due to an incorrect return from the memdup_user function. This flaw allows a local, privileged (CAP_SYS_ADMIN) attacker to crash the system.

Severity

No CVSS data available.

CWE

CWE-476 - - NULL Pointer Dereference

Assigner

redhat

References

3 references

URL	Tags
https://bugzilla.redhat.com/show_bug.cgi?id=2037386	x_refsource_MISC
https://access.redhat.com/security/cve/CVE-2022-0168	x_refsource_MISC
https://git.kernel.org/pub/scm/linux/kernel/git/t…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
n/a	kernel	Affected: Affects v5.4–5.12, v5.13-rc+HEAD

Show details on NVD website

JSON

To clipboard

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CVE-2022-1184 (GCVE-0-2022-1184)

Vulnerability from cvelistv5 – Published: 2022-08-29 00:00 – Updated: 2024-08-02 23:55

Summary

A use-after-free flaw was found in fs/ext4/namei.c:dx_insert_block() in the Linux kernel’s filesystem sub-component. This flaw allows a local attacker with a user privilege to cause a denial of service.

Severity

No CVSS data available.

CWE

CWE-416 - - Use After Free

Assigner

redhat

References

5 references

URL	Tags
https://bugzilla.redhat.com/show_bug.cgi?id=2070205
https://access.redhat.com/security/cve/CVE-2022-1184
https://ubuntu.com/security/CVE-2022-1184
https://www.debian.org/security/2022/dsa-5257	vendor-advisory
https://lists.debian.org/debian-lts-announce/2022…	mailing-list

Impacted products

1 product

Vendor	Product	Version
n/a	Kernel	Affected: Not-known

Show details on NVD website

JSON

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CVE-2022-27672 (GCVE-0-2022-27672)

Vulnerability from cvelistv5 – Published: 2023-02-14 19:34 – Updated: 2026-04-13 19:53

Summary

When SMT is enabled, certain AMD processors may speculatively execute instructions using a target from the sibling thread after an SMT mode switch potentially resulting in information disclosure.

Severity

No CVSS data available.

CWE

Assigner

AMD

References

2 references

URL	Tags
https://www.amd.com/en/corporate/product-security…	vendor-advisory
https://security.gentoo.org/glsa/202402-07

Impacted products

12 products

Vendor	Product	Version
AMD	1st Gen AMD EPYC™ Processors	Affected: Contact your OS vendor
AMD	2nd Gen AMD EPYC™ Processors	Affected: Contact your OS vendor
AMD	Athlon™ X4 Processor	Affected: Contact your OS vendor
AMD	Ryzen™ Threadripper™ PRO Processor	Affected: Contact your OS vendor
AMD	2nd Gen AMD Ryzen™ Threadripper™ Processors	Affected: Contact your OS vendor
AMD	3rd Gen AMD Ryzen™ Threadripper™ Processors	Affected: Contact your OS vendor
AMD	7th Generation AMD A-Series APUs	Affected: Contact your OS vendor
AMD	Ryzen™ 2000 Series Processors	Affected: Contact your OS vendor
AMD	Ryzen™ 3000 Series Processors	Affected: Contact your OS vendor
AMD	Ryzen™ 4000 Series Processors	Affected: Contact your OS vendor
AMD	Ryzen™ 5000 Series Processors	Affected: Contact your OS vendor
AMD	Athlon™ Mobile Processors	Affected: Contact your OS vendor

Date Public

2023-02-14 17:00

Show details on NVD website

JSON

To clipboard

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CVE-2022-28733 (GCVE-0-2022-28733)

Vulnerability from cvelistv5 – Published: 2023-07-20 00:20 – Updated: 2025-02-13 16:32

Title

Integer underflow in grub_net_recv_ip4_packets

Summary

Integer underflow in grub_net_recv_ip4_packets; A malicious crafted IP packet can lead to an integer underflow in grub_net_recv_ip4_packets() function on rsm->total_len value. Under certain circumstances the total_len value may end up wrapping around to a small integer number which will be used in memory allocation. If the attack succeeds in such way, subsequent operations can write past the end of the buffer.

Severity

8.1 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-191

Assigner

canonical

References

3 references

URL	Tags
https://www.openwall.com/lists/oss-security/2022/…	mailing-list
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CV…	issue-tracking
https://security.netapp.com/advisory/ntap-2023082…

Impacted products

1 product

Vendor	Product	Version
GNU Project	GNU GRUB	Affected: 0 , < 2.06-3 (semver)

Date Public

2022-06-13 00:00

Credits

Daniel Axtens

Show details on NVD website

JSON

To clipboard

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CVE-2022-28734 (GCVE-0-2022-28734)

Vulnerability from cvelistv5 – Published: 2023-07-20 00:22 – Updated: 2025-02-13 16:32

Title

Out-of-bounds write when handling split HTTP headers

Summary

Out-of-bounds write when handling split HTTP headers; When handling split HTTP headers, GRUB2 HTTP code accidentally moves its internal data buffer point by one position. This can lead to a out-of-bound write further when parsing the HTTP request, writing a NULL byte past the buffer. It's conceivable that an attacker controlled set of packets can lead to corruption of the GRUB2's internal memory metadata.

Severity

8.1 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Assigner

canonical

References

3 references

URL	Tags
https://www.openwall.com/lists/oss-security/2022/…	mailing-list
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CV…	issue-tracking
https://security.netapp.com/advisory/ntap-2023082…

Impacted products

1 product

Vendor	Product	Version
GNU Project	GNU GRUB	Affected: 0 , < 2.06-3 (semver)

Date Public

2022-06-13 00:00

Credits

Daniel Axtens

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

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

CERTFR-2023-AVI-0726

Solution

CVE-2020-36691 (GCVE-0-2020-36691)

CVE-2021-3695 (GCVE-0-2021-3695)

CVE-2021-3696 (GCVE-0-2021-3696)

CVE-2021-3697 (GCVE-0-2021-3697)

CVE-2021-3981 (GCVE-0-2021-3981)

CVE-2022-0168 (GCVE-0-2022-0168)

CVE-2022-1184 (GCVE-0-2022-1184)

CVE-2022-27672 (GCVE-0-2022-27672)

CVE-2022-28733 (GCVE-0-2022-28733)

CVE-2022-28734 (GCVE-0-2022-28734)

Tags

Sightings

Nomenclature