usn-3582-2
Vulnerability from osv_ubuntu
Published
2018-02-22 10:06
Modified
2026-02-10 04:41
Summary
linux-lts-xenial, linux-aws vulnerabilities
Details

USN-3582-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement (HWE) kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 LTS.

Mohamed Ghannam discovered that the IPv4 raw socket implementation in the Linux kernel contained a race condition leading to uninitialized pointer usage. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. (CVE-2017-17712)

Laurent Guerby discovered that the mbcache feature in the ext2 and ext4 filesystems in the Linux kernel improperly handled xattr block caching. A local attacker could use this to cause a denial of service. (CVE-2015-8952)

Vitaly Mayatskikh discovered that the SCSI subsystem in the Linux kernel did not properly track reference counts when merging buffers. A local attacker could use this to cause a denial of service (memory exhaustion). (CVE-2017-12190)

ChunYu Wang discovered that a use-after-free vulnerability existed in the SCTP protocol implementation in the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code, (CVE-2017-15115)

Mohamed Ghannam discovered a use-after-free vulnerability in the DCCP protocol implementation in the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2017-8824)

USN-3540-2 mitigated CVE-2017-5715 (Spectre Variant 2) for the amd64 architecture in Ubuntu 14.04 LTS. This update provides the compiler-based retpoline kernel mitigation for the amd64 and i386 architectures. Original advisory details:

Jann Horn discovered that microprocessors utilizing speculative execution and branch prediction may allow unauthorized memory reads via sidechannel attacks. This flaw is known as Spectre. A local attacker could use this to expose sensitive information, including kernel memory. (CVE-2017-5715)

References
To clipboard 

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  "details": "USN-3582-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04\nLTS. This update provides the corresponding updates for the Linux\nHardware Enablement (HWE) kernel from Ubuntu 16.04 LTS for Ubuntu\n14.04 LTS.\n\nMohamed Ghannam discovered that the IPv4 raw socket implementation in the\nLinux kernel contained a race condition leading to uninitialized pointer\nusage. A local attacker could use this to cause a denial of service or\npossibly execute arbitrary code. (CVE-2017-17712)\n\nLaurent Guerby discovered that the mbcache feature in the ext2 and ext4\nfilesystems in the Linux kernel improperly handled xattr block caching. A\nlocal attacker could use this to cause a denial of service. (CVE-2015-8952)\n\nVitaly Mayatskikh discovered that the SCSI subsystem in the Linux kernel\ndid not properly track reference counts when merging buffers. A local\nattacker could use this to cause a denial of service (memory exhaustion).\n(CVE-2017-12190)\n\nChunYu Wang discovered that a use-after-free vulnerability existed in the\nSCTP protocol implementation in the Linux kernel. A local attacker could\nuse this to cause a denial of service (system crash) or possibly execute\narbitrary code, (CVE-2017-15115)\n\nMohamed Ghannam discovered a use-after-free vulnerability in the DCCP\nprotocol implementation in the Linux kernel. A local attacker could use\nthis to cause a denial of service (system crash) or possibly execute\narbitrary code. (CVE-2017-8824)\n\nUSN-3540-2 mitigated CVE-2017-5715 (Spectre Variant 2) for the\namd64 architecture in Ubuntu 14.04 LTS. This update provides the\ncompiler-based retpoline kernel mitigation for the amd64 and i386\narchitectures. Original advisory details:\n\n Jann Horn discovered that microprocessors utilizing speculative execution\n and branch prediction may allow unauthorized memory reads via sidechannel\n attacks. This flaw is known as Spectre. A local attacker could use this to\n expose sensitive information, including kernel memory. (CVE-2017-5715)\n",
  "id": "USN-3582-2",
  "modified": "2026-02-10T04:41:17Z",
  "published": "2018-02-22T10:06:35Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-3582-2"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2015-8952"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2017-5715"
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      "url": "https://ubuntu.com/security/CVE-2017-8824"
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      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2017-15115"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2017-17712"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "linux-lts-xenial, linux-aws vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2015-8952",
    "UBUNTU-CVE-2017-5715",
    "UBUNTU-CVE-2017-8824",
    "UBUNTU-CVE-2017-12190",
    "UBUNTU-CVE-2017-15115",
    "UBUNTU-CVE-2017-17712"
  ]
}



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Tags
Taxonomy of the tags.





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.