usn-2466-1
Vulnerability from osv_ubuntu
Published
2015-01-13 12:07
Modified
2026-04-22 07:36
Summary
linux vulnerabilities
Details

A null pointer dereference flaw was discovered in the the Linux kernel's SCTP implementation when ASCONF is used. A remote attacker could exploit this flaw to cause a denial of service (system crash) via a malformed INIT chunk. (CVE-2014-7841)

A race condition with MMIO and PIO transactions in the KVM (Kernel Virtual Machine) subsystem of the Linux kernel was discovered. A guest OS user could exploit this flaw to cause a denial of service (guest OS crash) via a specially crafted application. (CVE-2014-7842)

Miloš Prchlík reported a flaw in how the ARM64 platform handles a single byte overflow in __clear_user. A local user could exploit this flaw to cause a denial of service (system crash) by reading one byte beyond a /dev/zero page boundary. (CVE-2014-7843)

A stack buffer overflow was discovered in the ioctl command handling for the Technotrend/Hauppauge USB DEC devices driver. A local user could exploit this flaw to cause a denial of service (system crash) or possibly gain privileges. (CVE-2014-8884)

References
To clipboard 

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              "severity": [
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
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              "severity": [
                {
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                }
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            {
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              "severity": [
                {
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                }
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            },
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                }
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  "aliases": [],
  "details": "A null pointer dereference flaw was discovered in the the Linux kernel\u0027s\nSCTP implementation when ASCONF is used. A remote attacker could exploit\nthis flaw to cause a denial of service (system crash) via a malformed INIT\nchunk. (CVE-2014-7841)\n\nA race condition with MMIO and PIO transactions in the KVM (Kernel Virtual\nMachine) subsystem of the Linux kernel was discovered. A guest OS user\ncould exploit this flaw to cause a denial of service (guest OS crash) via a\nspecially crafted application. (CVE-2014-7842)\n\nMilo\u0161 Prchl\u00edk reported a flaw in how the ARM64 platform handles a single\nbyte overflow in __clear_user. A local user could exploit this flaw to\ncause a denial of service (system crash) by reading one byte beyond a\n/dev/zero page boundary. (CVE-2014-7843)\n\nA stack buffer overflow was discovered in the ioctl command handling for\nthe Technotrend/Hauppauge USB DEC devices driver. A local user could\nexploit this flaw to cause a denial of service (system crash) or possibly\ngain privileges. (CVE-2014-8884)\n",
  "id": "USN-2466-1",
  "modified": "2026-04-22T07:36:32Z",
  "published": "2015-01-13T12:07:58Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-2466-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2014-7841"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2014-7842"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2014-7843"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2014-8884"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "linux vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2014-7841",
    "UBUNTU-CVE-2014-7842",
    "UBUNTU-CVE-2014-7843",
    "UBUNTU-CVE-2014-8884"
  ]
}



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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.