usn-3443-2
Vulnerability from osv_ubuntu
Published
2017-10-10 18:00
Modified
2026-02-10 04:41
Summary
linux-hwe vulnerabilities
Details

USN-3443-1 fixed vulnerabilities in the Linux kernel for Ubuntu 17.04. This update provides the corresponding updates for the Linux Hardware Enablement (HWE) kernel from Ubuntu 17.04 for Ubuntu 16.04 LTS.

It was discovered that on the PowerPC architecture, the kernel did not properly sanitize the signal stack when handling sigreturn(). A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2017-1000255)

Andrey Konovalov discovered that a divide-by-zero error existed in the TCP stack implementation in the Linux kernel. A local attacker could use this to cause a denial of service (system crash). (CVE-2017-14106)

References
To clipboard 

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      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "linux-hwe",
        "purl": "pkg:deb/ubuntu/linux-hwe@4.10.0-37.41~16.04.1?arch=source\u0026distro=xenial"
      },
      "ranges": [
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          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.10.0-37.41~16.04.1"
            }
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          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
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        "4.8.0-39.42~16.04.1",
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        "4.10.0-35.39~16.04.1"
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    }
  ],
  "aliases": [],
  "details": "\nUSN-3443-1 fixed vulnerabilities in the Linux kernel for Ubuntu 17.04.\nThis update provides the corresponding updates for the Linux Hardware\nEnablement (HWE) kernel from Ubuntu 17.04 for Ubuntu 16.04 LTS.\n\nIt was discovered that on the PowerPC architecture, the kernel did not\nproperly sanitize the signal stack when handling sigreturn(). A local\nattacker could use this to cause a denial of service (system crash) or\npossibly execute arbitrary code. (CVE-2017-1000255)\n\nAndrey Konovalov discovered that a divide-by-zero error existed in the TCP\nstack implementation in the Linux kernel. A local attacker could use this\nto cause a denial of service (system crash). (CVE-2017-14106)\n",
  "id": "USN-3443-2",
  "modified": "2026-02-10T04:41:13Z",
  "published": "2017-10-10T18:00:07Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-3443-2"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2017-14106"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2017-1000255"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "linux-hwe vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2017-14106",
    "UBUNTU-CVE-2017-1000255"
  ]
}



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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

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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.