usn-2589-1
Vulnerability from osv_ubuntu
Published
2015-04-30 08:31
Modified
2026-02-10 04:40
Summary
linux-lts-utopic vulnerabilities
Details

Jan Beulich discovered the Xen virtual machine subsystem of the Linux kernel did not properly restrict access to PCI command registers. A local guest user could exploit this flaw to cause a denial of service (host crash). (CVE-2015-2150)

A stack overflow was discovered in the the microcode loader for the intel x86 platform. A local attacker could exploit this flaw to cause a denial of service (kernel crash) or to potentially execute code with kernel privileges. (CVE-2015-2666)

A privilege escalation was discovered in the fork syscall via the int80 entry on 64 bit kernels with 32 bit emulation support. An unprivileged local attacker could exploit this flaw to increase their privileges on the system. (CVE-2015-2830)

It was discovered that the Linux kernel's IPv6 networking stack has a flaw that allows using route advertisement (RA) messages to set the 'hop_limit' to values that are too low. An unprivileged attacker on a local network could exploit this flaw to cause a denial of service (IPv6 messages dropped). (CVE-2015-2922)

References
To clipboard 

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              "id": "CVE-2015-2150",
              "severity": [
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
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            },
            {
              "id": "CVE-2015-2666",
              "severity": [
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2015-2830",
              "severity": [
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2015-2922",
              "severity": [
                {
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                }
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            }
          ],
          "ecosystem": "Ubuntu:14.04:LTS"
        }
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      "package": {
        "ecosystem": "Ubuntu:14.04:LTS",
        "name": "linux-lts-utopic",
        "purl": "pkg:deb/ubuntu/linux-lts-utopic@3.16.0-36.48~14.04.1?arch=source\u0026distro=trusty"
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          "type": "ECOSYSTEM"
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        "3.16.0-34.45~14.04.1",
        "3.16.0-34.47~14.04.1"
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  ],
  "aliases": [],
  "details": "Jan Beulich discovered the Xen virtual machine subsystem of the Linux\nkernel did not properly restrict access to PCI command registers. A local\nguest user could exploit this flaw to cause a denial of service (host\ncrash). (CVE-2015-2150)\n\nA stack overflow was discovered in the the microcode loader for the intel\nx86 platform. A local attacker could exploit this flaw to cause a denial of\nservice (kernel crash) or to potentially execute code with kernel\nprivileges. (CVE-2015-2666)\n\nA privilege escalation was discovered in the fork syscall via the int80\nentry on 64 bit kernels with 32 bit emulation support. An unprivileged\nlocal attacker could exploit this flaw to increase their privileges on the\nsystem. (CVE-2015-2830)\n\nIt was discovered that the Linux kernel\u0027s IPv6 networking stack has a flaw\nthat allows using route advertisement (RA) messages to set the \u0027hop_limit\u0027\nto values that are too low. An unprivileged attacker on a local network\ncould exploit this flaw to cause a denial of service (IPv6 messages\ndropped). (CVE-2015-2922)\n",
  "id": "USN-2589-1",
  "modified": "2026-02-10T04:40:53Z",
  "published": "2015-04-30T08:31:41Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-2589-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2015-2150"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2015-2666"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2015-2830"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2015-2922"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "linux-lts-utopic vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2015-2150",
    "UBUNTU-CVE-2015-2666",
    "UBUNTU-CVE-2015-2830",
    "UBUNTU-CVE-2015-2922"
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.