certfr_avis - CERTFR-2022-AVI-221

CERTFR-2022-AVI-221

Vulnerability from certfr_avis - Published: - Updated:

De multiples vulnérabilités ont été découvertes dans Xen. Elles permettent à un attaquant de provoquer 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).

Contournement provisoire

L'éditeur propose des mesures de contournement pour les systèmes AMD. Se référer au bulletin de sécurité dans la section Documentation.

None

Impacted products

Vendor	Product	Description
XEN	Xen	Xen versions 4.15.x sans les correctifs de sécurité xsa398-4-15
XEN	Xen	Xen version unstable sans les correctifs xsa398
XEN	Xen	Xen versions 4.12.x sans les correctifs de sécurité xsa398-4-12
XEN	Xen	Xen versions 4.16.x sans les correctifs de sécurité xsa398-4-16
XEN	Xen	Xen versions 4.13.x sans les correctifs de sécurité xsa398-4-13
XEN	Xen	Xen versions 4.14.x sans les correctifs de sécurité xsa398-4-14

References

Title

Publication Time

Tags

Bulletin de sécurité Xen advisory-398 du 08 mars 2022

None

vendor-advisory

Show details on source website

JSON

To clipboard

{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "Xen versions 4.15.x sans les correctifs de s\u00e9curit\u00e9 xsa398-4-15",
      "product": {
        "name": "Xen",
        "vendor": {
          "name": "XEN",
          "scada": false
        }
      }
    },
    {
      "description": "Xen version unstable sans les correctifs xsa398",
      "product": {
        "name": "Xen",
        "vendor": {
          "name": "XEN",
          "scada": false
        }
      }
    },
    {
      "description": "Xen versions 4.12.x sans les correctifs de s\u00e9curit\u00e9 xsa398-4-12",
      "product": {
        "name": "Xen",
        "vendor": {
          "name": "XEN",
          "scada": false
        }
      }
    },
    {
      "description": "Xen versions 4.16.x sans les correctifs de s\u00e9curit\u00e9 xsa398-4-16",
      "product": {
        "name": "Xen",
        "vendor": {
          "name": "XEN",
          "scada": false
        }
      }
    },
    {
      "description": "Xen versions 4.13.x sans les correctifs de s\u00e9curit\u00e9 xsa398-4-13",
      "product": {
        "name": "Xen",
        "vendor": {
          "name": "XEN",
          "scada": false
        }
      }
    },
    {
      "description": "Xen versions 4.14.x sans les correctifs de s\u00e9curit\u00e9 xsa398-4-14",
      "product": {
        "name": "Xen",
        "vendor": {
          "name": "XEN",
          "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\n## Contournement provisoire\n\nL\u0027\u00e9diteur propose des mesures de contournement pour les syst\u00e8mes AMD. Se\nr\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 dans la section Documentation.\n",
  "cves": [
    {
      "name": "CVE-2022-0002",
      "url": "https://www.cve.org/CVERecord?id=CVE-2022-0002"
    },
    {
      "name": "CVE-2021-26401",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-26401"
    },
    {
      "name": "CVE-2021-26341",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-26341"
    },
    {
      "name": "CVE-2022-23960",
      "url": "https://www.cve.org/CVERecord?id=CVE-2022-23960"
    },
    {
      "name": "CVE-2022-0001",
      "url": "https://www.cve.org/CVERecord?id=CVE-2022-0001"
    }
  ],
  "links": [],
  "reference": "CERTFR-2022-AVI-221",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2022-03-09T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
    }
  ],
  "summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans Xen. Elles\npermettent \u00e0 un attaquant de provoquer une atteinte \u00e0 la confidentialit\u00e9\ndes donn\u00e9es.\n",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans Xen",
  "vendor_advisories": [
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Xen advisory-398 du 08 mars 2022",
      "url": "https://xenbits.xen.org/xsa/advisory-398.html"
    }
  ]
}

CVE-2022-0002 (GCVE-0-2022-0002)

Vulnerability from cvelistv5 – Published: 2022-03-11 17:54 – Updated: 2025-05-05 16:44

Summary

Non-transparent sharing of branch predictor within a context in some Intel(R) Processors may allow an authorized user to potentially enable information disclosure via local access.

Severity ?

6.5 (Medium)


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

CWE

information disclosure

Assigner

intel

References

URL

Tags

	https://www.intel.com/content/www/us/en/security-…	x_refsource_MISC
	http://www.openwall.com/lists/oss-security/2022/03/18/2	mailing-listx_refsource_MLIST
	https://www.oracle.com/security-alerts/cpujul2022.html	x_refsource_MISC
	https://security.netapp.com/advisory/ntap-2022081…	x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	n/a	Intel(R) Processors	Affected: See references

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
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        },
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          ],
          "url": "https://security.netapp.com/advisory/ntap-20220818-0004/"
        }
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      "x_legacyV4Record": {
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          "ID": "CVE-2022-0002",
          "STATE": "PUBLIC"
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CVE-2022-0001 (GCVE-0-2022-0001)

Vulnerability from cvelistv5 – Published: 2022-03-11 00:00 – Updated: 2025-05-05 16:44

Summary

Non-transparent sharing of branch predictor selectors between contexts in some Intel(R) Processors may allow an authorized user to potentially enable information disclosure via local access.

Severity ?

6.5 (Medium)


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

CWE

information disclosure

Assigner

intel

References

URL

Tags

	https://www.intel.com/content/www/us/en/security-…
	http://www.openwall.com/lists/oss-security/2022/03/18/2	mailing-list
	https://www.oracle.com/security-alerts/cpujul2022.html
	https://security.netapp.com/advisory/ntap-2022081…
	https://www.kb.cert.org/vuls/id/155143	third-party-advisory

Impacted products

	Vendor	Product	Version
	n/a	Intel(R) Processors	Affected: See references

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2025-04-01T16:11:32.250Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "https://www.vicarius.io/vsociety/posts/cve-2022-0001-detect-specter-vulnerability?prevUrl=wizard"
          },
          {
            "url": "https://www.vicarius.io/vsociety/posts/cve-2022-0001-mitigate-specter-vulnerability?prevUrl=wizard"
          },
          {
            "tags": [
              "x_transferred"
            ],
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        ],
        "title": "CVE Program Container",
        "x_generator": {
          "engine": "ADPogram 0.0.1"
        }
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              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
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              "baseScore": 6.5,
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CVE-2021-26401 (GCVE-0-2021-26401)

Vulnerability from cvelistv5 – Published: 2022-03-11 17:54 – Updated: 2024-09-17 03:08

Summary

LFENCE/JMP (mitigation V2-2) may not sufficiently mitigate CVE-2017-5715 on some AMD CPUs.

Severity ?

No CVSS data available.

CWE

Assigner

AMD

References

URL

Tags

	https://www.amd.com/en/corporate/product-security…	x_refsource_MISC
	http://www.openwall.com/lists/oss-security/2022/03/18/2	mailing-listx_refsource_MLIST

Impacted products

	Vendor	Product	Version
	AMD	AMD Processors	Unaffected: Processor Zen 3

Show details on NVD website

JSON

To clipboard

{
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CVE-2021-26341 (GCVE-0-2021-26341)

Vulnerability from cvelistv5 – Published: 2022-03-11 17:54 – Updated: 2024-09-16 20:16

Summary

Some AMD CPUs may transiently execute beyond unconditional direct branches, which may potentially result in data leakage.

Severity ?

No CVSS data available.

CWE

Assigner

AMD

References

URL

Tags

	https://www.amd.com/en/corporate/product-security…	x_refsource_MISC
	http://www.openwall.com/lists/oss-security/2022/03/18/2	mailing-listx_refsource_MLIST

Impacted products

	Vendor	Product	Version
	AMD	AMD Processors	Unaffected: Processor Zen 3

Show details on NVD website

JSON

To clipboard

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CVE-2022-23960 (GCVE-0-2022-23960)

Vulnerability from cvelistv5 – Published: 2022-03-12 23:57 – Updated: 2024-08-03 03:59

Summary

Certain Arm Cortex and Neoverse processors through 2022-03-08 do not properly restrict cache speculation, aka Spectre-BHB. An attacker can leverage the shared branch history in the Branch History Buffer (BHB) to influence mispredicted branches. Then, cache allocation can allow the attacker to obtain sensitive information.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	https://developer.arm.com/support/arm-security-up…	x_refsource_CONFIRM
	https://developer.arm.com/support/arm-security-updates	x_refsource_MISC
	http://www.openwall.com/lists/oss-security/2022/03/18/2	mailing-listx_refsource_MLIST
	https://lists.debian.org/debian-lts-announce/2022…	mailing-listx_refsource_MLIST
	https://www.debian.org/security/2022/dsa-5173	vendor-advisoryx_refsource_DEBIAN

Show details on NVD website

JSON

To clipboard

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Tags

Taxonomy of the tags.

All sightings related to this event Export sightings related to this event

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

CERTFR-2022-AVI-221

Solution

Contournement provisoire

CVE-2022-0002 (GCVE-0-2022-0002)

CVE-2022-0001 (GCVE-0-2022-0001)

CVE-2021-26401 (GCVE-0-2021-26401)

CVE-2021-26341 (GCVE-0-2021-26341)

CVE-2022-23960 (GCVE-0-2022-23960)

Tags

Sightings

Nomenclature