USN-8924-1 (UBUNTU-CVE-2017-5967)

Vulnerability from osv_ubuntu – Published: 2026-10-13 15:16 – Updated: 2026-10-13 15:16 – Source website
VLAI
Summary
linux vulnerabilities
Details

It was discovered that the timer stats implementation in the Linux kernel allowed the discovery of a real PID value while inside a PID namespace. A local attacker could use this to expose sensitive information. (CVE-2017-5967)

Wen Xu discovered that the XFS file system implementation in the Linux kernel did not properly track inode validations. An attacker could use this to construct a malicious XFS image that, when mounted, could cause a denial of service (system crash). (CVE-2018-13093)

Wen Xu discovered that the f2fs file system implementation in the Linux kernel did not properly validate metadata. An attacker could use this to construct a malicious f2fs image that, when mounted, could cause a denial of service (system crash). (CVE-2018-13097, CVE-2018-13100)

It was discovered that the Qualcomm Atheros 60GHz wireless driver in the Linux kernel contained an integer overflow when validating the length of certain information elements, leading to a buffer overflow. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-5848)

Likang Luo discovered that a race condition existed in the Bluetooth subsystem of the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2021-3752)

It was discovered that the eventpoll (aka epoll) implementation in the Linux kernel did not properly handle certain error conditions when adding file descriptors, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2021-39634)

Jann Horn discovered a race condition in the Unix domain socket implementation in the Linux kernel that could result in a read-after-free. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2021-4083)

Lyu Tao discovered that the NFS implementation in the Linux kernel did not properly handle requests to open a directory on a regular file. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2022-24448)

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - IPv6 networking; - Netfilter; (CVE-2026-53131)

References
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        "3.13.0-217.268"
      ]
    }
  ],
  "aliases": [],
  "details": "It was discovered that the timer stats implementation in the Linux kernel\nallowed the discovery of a real PID value while inside a PID namespace. A\nlocal attacker could use this to expose sensitive information.\n(CVE-2017-5967)\n\nWen Xu discovered that the XFS file system implementation in the Linux\nkernel did not properly track inode validations. An attacker could use this\nto construct a malicious XFS image that, when mounted, could cause a denial\nof service (system crash). (CVE-2018-13093)\n\nWen Xu discovered that the f2fs file system implementation in the Linux\nkernel did not properly validate metadata. An attacker could use this to\nconstruct a malicious f2fs image that, when mounted, could cause a denial\nof service (system crash). (CVE-2018-13097, CVE-2018-13100)\n\nIt was discovered that the Qualcomm Atheros 60GHz wireless driver in the\nLinux kernel contained an integer overflow when validating the length of\ncertain information elements, leading to a buffer overflow. A local\nattacker could use this to cause a denial of service (system crash) or\npossibly execute arbitrary code. (CVE-2018-5848)\n\nLikang Luo discovered that a race condition existed in the Bluetooth\nsubsystem of the Linux kernel, leading to a use-after-free vulnerability. A\nlocal attacker could use this to cause a denial of service (system crash)\nor possibly execute arbitrary code. (CVE-2021-3752)\n\nIt was discovered that the eventpoll (aka epoll) implementation in the\nLinux kernel did not properly handle certain error conditions when adding\nfile descriptors, leading to a use-after-free vulnerability. A local\nattacker could use this to cause a denial of service (system crash) or\npossibly execute arbitrary code. (CVE-2021-39634)\n\nJann Horn discovered a race condition in the Unix domain socket\nimplementation in the Linux kernel that could result in a read-after-free.\nA local attacker could use this to cause a denial of service (system crash)\nor possibly execute arbitrary code. (CVE-2021-4083)\n\nLyu Tao discovered that the NFS implementation in the Linux kernel did not\nproperly handle requests to open a directory on a regular file. A local\nattacker could use this to expose sensitive information (kernel memory).\n(CVE-2022-24448)\n\nSeveral security issues were discovered in the Linux kernel.\nAn attacker could possibly use these to compromise the system.\nThis update corrects flaws in the following subsystems:\n  - IPv6 networking;\n  - Netfilter;\n(CVE-2026-53131)\n",
  "id": "USN-8924-1",
  "modified": "2026-10-13T15:16:24Z",
  "published": "2026-10-13T15:16:24Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-8924-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2017-5967"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-5848"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-13093"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-13097"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-13100"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-3752"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-4083"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-39634"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2022-24448"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-53131"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "linux vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2017-5967",
    "UBUNTU-CVE-2018-5848",
    "UBUNTU-CVE-2018-13093",
    "UBUNTU-CVE-2018-13097",
    "UBUNTU-CVE-2018-13100",
    "UBUNTU-CVE-2021-3752",
    "UBUNTU-CVE-2021-4083",
    "UBUNTU-CVE-2021-39634",
    "UBUNTU-CVE-2022-24448",
    "UBUNTU-CVE-2026-53131"
  ]
}



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