certfr_avis - CERTFR-2019-AVI-457

CERTFR-2019-AVI-457

Vulnerability from certfr_avis - Published: - Updated:

Une vulnérabilité a été découverte dans le noyau Linux de Red Hat. Elle permet à un attaquant de provoquer une élévation de privilèges.

Solution

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

None

Impacted products

Vendor	Product	Description
Red Hat	Red Hat Enterprise Linux	Red Hat Enterprise Linux for Power, big endian - Extended Update Support 7.6 ppc64
Red Hat	Red Hat Enterprise Linux Server	Red Hat Enterprise Linux Server - Update Services for SAP Solutions 7.4 x86_64
Red Hat	Red Hat Enterprise Linux	Red Hat Enterprise Linux Workstation 6 x86_64
Red Hat	N/A	Red Hat Virtualization Host - Extended Update Support 4.2 for RHEL 7.6 x86_64
Red Hat	Red Hat Enterprise Linux Server	Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 7.6 ppc64le
Red Hat	Red Hat Enterprise Linux Server	Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 7.4 ppc64le
Red Hat	Red Hat Enterprise Linux	Red Hat Enterprise Linux for Power, big endian - Extended Update Support 7.5 ppc64
Red Hat	Red Hat Enterprise Linux	Red Hat Enterprise Linux for Power, big endian 6 ppc64
Red Hat	Red Hat Enterprise Linux Server	Red Hat Enterprise Linux Server - AUS 7.4 x86_64
Red Hat	Red Hat Enterprise Linux	Red Hat Enterprise Linux for Power 9 7 ppc64le
Red Hat	Red Hat Enterprise Linux Server	Red Hat Enterprise Linux Server 6 x86_64
Red Hat	Red Hat Enterprise Linux	Red Hat Enterprise Linux EUS Compute Node 7.6 x86_64
Red Hat	Red Hat Enterprise Linux	Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 7.5 s390x
Red Hat	Red Hat Enterprise Linux	Red Hat Enterprise Linux Desktop 6 i386
Red Hat	Red Hat Enterprise Linux Server	Red Hat Enterprise Linux Server 6 i386
Red Hat	Red Hat Enterprise Linux Server	Red Hat Enterprise Linux Server - TUS 7.6 x86_64
Red Hat	Red Hat Enterprise Linux Server	Red Hat Enterprise Linux Server - TUS 7.4 x86_64
Red Hat	Red Hat Enterprise Linux	Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.6 ppc64le
Red Hat	Red Hat Enterprise Linux	Red Hat Enterprise Linux for IBM System z (Structure A) 7 s390x
Red Hat	Red Hat Enterprise Linux Server	Red Hat Enterprise Linux Server - Update Services for SAP Solutions 7.6 x86_64
Red Hat	Red Hat Enterprise Linux Server	Red Hat Enterprise Linux Server - Extended Update Support 7.5 x86_64
Red Hat	Red Hat Enterprise Linux	Red Hat Enterprise Linux EUS Compute Node 7.5 x86_64
Red Hat	Red Hat Enterprise Linux	Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.5 ppc64le
Red Hat	Red Hat Enterprise Linux	Red Hat Enterprise Linux Workstation 6 i386
Red Hat	Red Hat Enterprise Linux	Red Hat Enterprise Linux for ARM 64 7 aarch64
Red Hat	Red Hat Enterprise Linux	Red Hat Enterprise Linux for IBM z Systems 6 s390x
Red Hat	Red Hat Enterprise Linux Server	Red Hat Enterprise Linux Server - AUS 6.6 x86_64
Red Hat	Red Hat Enterprise Linux Server	Red Hat Enterprise Linux Server - Extended Update Support 7.6 x86_64
Red Hat	Red Hat Enterprise Linux	Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 7.6 s390x
Red Hat	Red Hat Enterprise Linux	Red Hat Enterprise Linux Desktop 6 x86_64
Red Hat	Red Hat Enterprise Linux Server	Red Hat Enterprise Linux Server - AUS 7.6 x86_64
Red Hat	Red Hat Enterprise Linux	Red Hat Enterprise Linux for Scientific Computing 6 x86_64

References

Title

Publication Time

Tags

Bulletin de sécurité Red Hat RHSA-2019:2869 du 23 septembre 2019	None	vendor-advisory
Bulletin de sécurité Red Hat RHSA-2019:2864 du 23 septembre 2019	None	vendor-advisory
Bulletin de sécurité Red Hat RHSA-2019:2866 du 23 septembre 2019	None	vendor-advisory
Bulletin de sécurité Red Hat RHSA-2019:2867 du 23 septembre 2019	None	vendor-advisory
Bulletin de sécurité Red Hat RHSA-2019:2863 du 23 septembre 2019	None	vendor-advisory
Bulletin de sécurité Red Hat RHSA-2019:2862 du 23 septembre 2019	None	vendor-advisory
Bulletin de sécurité Red Hat RHSA-2019:2865 du 23 septembre 2019	None	vendor-advisory

Show details on source website

JSON

To clipboard

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  "affected_systems": [
    {
      "description": "Red Hat Enterprise Linux for Power, big endian - Extended Update Support 7.6 ppc64",
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          "name": "Red Hat",
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      "product": {
        "name": "Red Hat Enterprise Linux Server",
        "vendor": {
          "name": "Red Hat",
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        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux EUS Compute Node 7.6 x86_64",
      "product": {
        "name": "Red Hat Enterprise Linux",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
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      "product": {
        "name": "Red Hat Enterprise Linux",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
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    },
    {
      "description": "Red Hat Enterprise Linux Desktop 6 i386",
      "product": {
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          "scada": false
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        "name": "Red Hat Enterprise Linux Server",
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          "scada": false
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      "description": "Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.6 ppc64le",
      "product": {
        "name": "Red Hat Enterprise Linux",
        "vendor": {
          "name": "Red Hat",
          "scada": false
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    },
    {
      "description": "Red Hat Enterprise Linux for IBM System z (Structure A) 7 s390x",
      "product": {
        "name": "Red Hat Enterprise Linux",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux Server - Update Services for SAP Solutions 7.6 x86_64",
      "product": {
        "name": "Red Hat Enterprise Linux Server",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux Server - Extended Update Support 7.5 x86_64",
      "product": {
        "name": "Red Hat Enterprise Linux Server",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
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    },
    {
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      "product": {
        "name": "Red Hat Enterprise Linux",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
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      "description": "Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.5 ppc64le",
      "product": {
        "name": "Red Hat Enterprise Linux",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux Workstation 6 i386",
      "product": {
        "name": "Red Hat Enterprise Linux",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux for ARM 64 7 aarch64",
      "product": {
        "name": "Red Hat Enterprise Linux",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux for IBM z Systems 6 s390x",
      "product": {
        "name": "Red Hat Enterprise Linux",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux Server - AUS 6.6 x86_64",
      "product": {
        "name": "Red Hat Enterprise Linux Server",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux Server - Extended Update Support 7.6 x86_64",
      "product": {
        "name": "Red Hat Enterprise Linux Server",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 7.6 s390x",
      "product": {
        "name": "Red Hat Enterprise Linux",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux Desktop 6 x86_64",
      "product": {
        "name": "Red Hat Enterprise Linux",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux Server - AUS 7.6 x86_64",
      "product": {
        "name": "Red Hat Enterprise Linux Server",
        "vendor": {
          "name": "Red Hat",
          "scada": false
        }
      }
    },
    {
      "description": "Red Hat Enterprise Linux for Scientific Computing 6 x86_64",
      "product": {
        "name": "Red Hat Enterprise Linux",
        "vendor": {
          "name": "Red Hat",
          "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-2019-14835",
      "url": "https://www.cve.org/CVERecord?id=CVE-2019-14835"
    }
  ],
  "links": [],
  "reference": "CERTFR-2019-AVI-457",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2019-09-23T00:00:00.000000"
    },
    {
      "description": "Ajout des bulletins de s\u00e9curit\u00e9 Red Hat RHSA-2019:2867 et RHSA-2019:2869 du 23 septembre 2019",
      "revision_date": "2019-09-24T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "\u00c9l\u00e9vation de privil\u00e8ges"
    }
  ],
  "summary": "Une vuln\u00e9rabilit\u00e9 a \u00e9t\u00e9 d\u00e9couverte dans le noyau Linux de Red Hat. Elle\npermet \u00e0 un attaquant de provoquer une \u00e9l\u00e9vation de privil\u00e8ges.\n",
  "title": "Vuln\u00e9rabilit\u00e9 dans le noyau Linux de Red Hat",
  "vendor_advisories": [
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2019:2869 du 23 septembre 2019",
      "url": "https://access.redhat.com/errata/RHSA-2019:2869"
    },
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2019:2864 du 23 septembre 2019",
      "url": "https://access.redhat.com/errata/RHSA-2019:2864"
    },
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2019:2866 du 23 septembre 2019",
      "url": "https://access.redhat.com/errata/RHSA-2019:2866"
    },
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2019:2867 du 23 septembre 2019",
      "url": "https://access.redhat.com/errata/RHSA-2019:2867"
    },
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2019:2863 du 23 septembre 2019",
      "url": "https://access.redhat.com/errata/RHSA-2019:2863"
    },
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2019:2862 du 23 septembre 2019",
      "url": "https://access.redhat.com/errata/RHSA-2019:2862"
    },
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Red Hat RHSA-2019:2865 du 23 septembre 2019",
      "url": "https://access.redhat.com/errata/RHSA-2019:2865"
    }
  ]
}

CVE-2019-14835 (GCVE-0-2019-14835)

Vulnerability from cvelistv5 – Published: 2019-09-17 15:09 – Updated: 2024-08-05 00:26

Summary

A buffer overflow flaw was found, in versions from 2.6.34 to 5.2.x, in the way Linux kernel's vhost functionality that translates virtqueue buffers to IOVs, logged the buffer descriptors during migration. A privileged guest user able to pass descriptors with invalid length to the host when migration is underway, could use this flaw to increase their privileges on the host.

Severity ?

7.2 (High)


                        
                          CVSS:3.0/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H

CWE

CWE-120

Assigner

redhat

References

URL

Tags

	https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2…	x_refsource_CONFIRM
	https://www.openwall.com/lists/oss-security/2019/…	x_refsource_MISC
	https://usn.ubuntu.com/4135-2/	vendor-advisoryx_refsource_UBUNTU
	https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
	https://access.redhat.com/errata/RHSA-2019:2827	vendor-advisoryx_refsource_REDHAT
	https://access.redhat.com/errata/RHSA-2019:2828	vendor-advisoryx_refsource_REDHAT
	https://access.redhat.com/errata/RHSA-2019:2830	vendor-advisoryx_refsource_REDHAT
	https://access.redhat.com/errata/RHSA-2019:2829	vendor-advisoryx_refsource_REDHAT
	https://access.redhat.com/errata/RHSA-2019:2854	vendor-advisoryx_refsource_REDHAT
	https://access.redhat.com/errata/RHSA-2019:2862	vendor-advisoryx_refsource_REDHAT
	https://access.redhat.com/errata/RHSA-2019:2863	vendor-advisoryx_refsource_REDHAT
	https://access.redhat.com/errata/RHSA-2019:2866	vendor-advisoryx_refsource_REDHAT
	https://access.redhat.com/errata/RHSA-2019:2864	vendor-advisoryx_refsource_REDHAT
	https://access.redhat.com/errata/RHSA-2019:2865	vendor-advisoryx_refsource_REDHAT
	https://access.redhat.com/errata/RHSA-2019:2867	vendor-advisoryx_refsource_REDHAT
	https://access.redhat.com/errata/RHSA-2019:2869	vendor-advisoryx_refsource_REDHAT
	http://packetstormsecurity.com/files/154572/Kerne…	x_refsource_MISC
	http://www.openwall.com/lists/oss-security/2019/09/24/1	mailing-listx_refsource_MLIST
	http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
	https://access.redhat.com/errata/RHSA-2019:2889	vendor-advisoryx_refsource_REDHAT
	http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
	https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
	https://seclists.org/bugtraq/2019/Sep/41	mailing-listx_refsource_BUGTRAQ
	https://www.debian.org/security/2019/dsa-4531	vendor-advisoryx_refsource_DEBIAN
	https://access.redhat.com/errata/RHSA-2019:2900	vendor-advisoryx_refsource_REDHAT
	https://access.redhat.com/errata/RHSA-2019:2901	vendor-advisoryx_refsource_REDHAT
	https://access.redhat.com/errata/RHSA-2019:2899	vendor-advisoryx_refsource_REDHAT
	https://access.redhat.com/errata/RHSA-2019:2924	vendor-advisoryx_refsource_REDHAT
	https://usn.ubuntu.com/4135-1/	vendor-advisoryx_refsource_UBUNTU
	https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
	https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
	http://www.openwall.com/lists/oss-security/2019/10/03/1	mailing-listx_refsource_MLIST
	http://www.openwall.com/lists/oss-security/2019/10/09/3	mailing-listx_refsource_MLIST
	http://www.openwall.com/lists/oss-security/2019/10/09/7	mailing-listx_refsource_MLIST
	https://access.redhat.com/errata/RHBA-2019:2824	vendor-advisoryx_refsource_REDHAT
	http://packetstormsecurity.com/files/154951/Kerne…	x_refsource_MISC
	https://security.netapp.com/advisory/ntap-2019103…	x_refsource_CONFIRM
	https://seclists.org/bugtraq/2019/Nov/11	mailing-listx_refsource_BUGTRAQ
	http://packetstormsecurity.com/files/155212/Slack…	x_refsource_MISC
	http://www.huawei.com/en/psirt/security-advisorie…	x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	Linux Kernel	Linux kernel	Affected: from version 2.6.34 to 5.2.x

Show details on NVD website

JSON

To clipboard

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            "url": "https://access.redhat.com/errata/RHSA-2019:2863"
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          {
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            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
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          },
          {
            "name": "RHSA-2019:2865",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
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            "url": "https://access.redhat.com/errata/RHSA-2019:2865"
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          {
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              "vendor-advisory",
              "x_refsource_REDHAT",
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            "url": "https://access.redhat.com/errata/RHSA-2019:2867"
          },
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          },
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        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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          "vendor": "Linux Kernel",
          "versions": [
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            }
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      "descriptions": [
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          "lang": "en",
          "value": "A buffer overflow flaw was found, in versions from 2.6.34 to 5.2.x, in the way Linux kernel\u0027s vhost functionality that translates virtqueue buffers to IOVs, logged the buffer descriptors during migration. A privileged guest user able to pass descriptors with invalid length to the host when migration is underway, could use this flaw to increase their privileges on the host."
        }
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            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.0/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-120",
              "description": "CWE-120",
              "lang": "en",
              "type": "CWE"
            }
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        },
        {
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            "x_refsource_REDHAT"
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          "url": "https://access.redhat.com/errata/RHSA-2019:2924"
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        {
          "name": "USN-4135-1",
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        },
        {
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          "tags": [
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          ],
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        },
        {
          "name": "FEDORA-2019-a570a92d5a",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
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        },
        {
          "name": "[oss-security] 20191003 Re: CVE-2019-14835: QEMU-KVM Guest to Host Kernel Escape Vulnerability: vhost/vhost_net kernel buffer overflow",
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        {
          "name": "RHBA-2019:2824",
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          ],
          "url": "https://access.redhat.com/errata/RHBA-2019:2824"
        },
        {
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          ],
          "url": "http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://security.netapp.com/advisory/ntap-20191031-0005/"
        },
        {
          "name": "20191108 [slackware-security] Slackware 14.2 kernel (SSA:2019-311-01)",
          "tags": [
            "mailing-list",
            "x_refsource_BUGTRAQ"
          ],
          "url": "https://seclists.org/bugtraq/2019/Nov/11"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "http://packetstormsecurity.com/files/155212/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200115-01-qemu-en"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2019-14835",
    "datePublished": "2019-09-17T15:09:37",
    "dateReserved": "2019-08-10T00:00:00",
    "dateUpdated": "2024-08-05T00:26:39.157Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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-2019-AVI-457

Solution

CVE-2019-14835 (GCVE-0-2019-14835)

Tags

Sightings

Nomenclature