usn-4342-1
Vulnerability from osv_ubuntu
Published
2020-04-30 17:52
Modified
2026-06-03 10:45
Summary
linux, linux-aws, linux-azure, linux-azure-5.3, linux-gcp, linux-gcp-5.3, linux-gke-5.3, linux-hwe, linux-kvm, linux-oracle, linux-oracle-5.3, linux-raspi2, linux-raspi2-5.3 vulnerabilities
Details

Al Viro discovered that the Linux kernel for s390x systems did not properly perform page table upgrades for kernel sections that use secondary address mode. A local attacker could use this to cause a denial of service (system crash) or execute arbitrary code. (CVE-2020-11884)

It was discovered that the Intel Wi-Fi driver in the Linux kernel did not properly check for errors in some situations. A local attacker could possibly use this to cause a denial of service (system crash). (CVE-2019-16234)

Tristan Madani discovered that the block I/O tracing implementation in the Linux kernel contained a race condition. A local attacker could use this to cause a denial of service (system crash) or possibly expose sensitive information. (CVE-2019-19768)

It was discovered that the vhost net driver in the Linux kernel contained a stack buffer overflow. A local attacker with the ability to perform ioctl() calls on /dev/vhost-net could use this to cause a denial of service (system crash). (CVE-2020-10942)

It was discovered that the virtual terminal implementation in the Linux kernel contained a race condition. A local attacker could possibly use this to cause a denial of service (system crash) or expose sensitive information. (CVE-2020-8648)

Shijie Luo discovered that the ext4 file system implementation in the Linux kernel did not properly check for a too-large journal size. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service (soft lockup). (CVE-2020-8992)

Jordy Zomer discovered that the floppy driver in the Linux kernel did not properly check for errors in some situations. A local attacker could possibly use this to cause a denial of service (system crash) or possibly expose sensitive information. (CVE-2020-9383)

References
To clipboard 

{
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  ],
  "aliases": [],
  "details": "Al Viro discovered that the Linux kernel for s390x systems did not properly\nperform page table upgrades for kernel sections that use secondary address\nmode. A local attacker could use this to cause a denial of service (system\ncrash) or execute arbitrary code. (CVE-2020-11884)\n\nIt was discovered that the Intel Wi-Fi driver in the Linux kernel did not\nproperly check for errors in some situations. A local attacker could\npossibly use this to cause a denial of service (system crash).\n(CVE-2019-16234)\n\nTristan Madani discovered that the block I/O tracing implementation in the\nLinux kernel contained a race condition. A local attacker could use this to\ncause a denial of service (system crash) or possibly expose sensitive\ninformation. (CVE-2019-19768)\n\nIt was discovered that the vhost net driver in the Linux kernel contained a\nstack buffer overflow. A local attacker with the ability to perform ioctl()\ncalls on /dev/vhost-net could use this to cause a denial of service (system\ncrash). (CVE-2020-10942)\n\nIt was discovered that the virtual terminal implementation in the Linux\nkernel contained a race condition. A local attacker could possibly use this\nto cause a denial of service (system crash) or expose sensitive\ninformation. (CVE-2020-8648)\n\nShijie Luo discovered that the ext4 file system implementation in the Linux\nkernel did not properly check for a too-large journal size. An attacker\ncould use this to construct a malicious ext4 image that, when mounted,\ncould cause a denial of service (soft lockup). (CVE-2020-8992)\n\nJordy Zomer discovered that the floppy driver in the Linux kernel did not\nproperly check for errors in some situations. A local attacker could\npossibly use this to cause a denial of service (system crash) or possibly\nexpose sensitive information. (CVE-2020-9383)\n",
  "id": "USN-4342-1",
  "modified": "2026-06-03T10:45:21Z",
  "published": "2020-04-30T17:52:52Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4342-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-16234"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-19768"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-8648"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-8992"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-9383"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-10942"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-11884"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "linux, linux-aws, linux-azure, linux-azure-5.3, linux-gcp, linux-gcp-5.3, linux-gke-5.3, linux-hwe, linux-kvm, linux-oracle, linux-oracle-5.3, linux-raspi2, linux-raspi2-5.3 vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2019-16234",
    "UBUNTU-CVE-2019-19768",
    "UBUNTU-CVE-2020-8648",
    "UBUNTU-CVE-2020-8992",
    "UBUNTU-CVE-2020-9383",
    "UBUNTU-CVE-2020-10942",
    "UBUNTU-CVE-2020-11884"
  ]
}



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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.