GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration
lsn-0069-1
Vulnerability from osv_ubuntu
Published
2020-07-27 06:24
Modified
2026-06-03 10:46
Summary
Kernel Live Patch Security Notice
Details

Relay_open in kernel/relay.c in the Linux kernel through 5.4.1 allows local users to cause a denial of service (such as relay blockage) by triggering a NULL alloc_percpu result. (CVE-2019-19462)

Fan Yang discovered that the mremap implementation in the Linux kernel did not properly handle DAX Huge Pages. A local attacker with access to DAX storage could use this to gain administrative privileges. (CVE-2020-10757)

It was discovered that the DesignWare SPI controller driver in the Linux kernel contained a race condition. A local attacker could possibly use this to cause a denial of service (system crash). (CVE-2020-12769)

In the Linux kernel before 5.4.16, a race condition in tty->disc_data handling in the slip and slcan line discipline could lead to a use-after-free, aka CID-0ace17d56824. This affects drivers/net/slip/slip.c and drivers/net/can/slcan.c. (CVE-2020-14416)

References
To clipboard 

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  ],
  "aliases": [],
  "details": "Relay_open in kernel/relay.c in the Linux kernel through 5.4.1 allows local\nusers to cause a denial of service (such as relay blockage) by triggering a\nNULL alloc_percpu result. (CVE-2019-19462)\n\nFan Yang discovered that the mremap implementation in the Linux kernel did\nnot properly handle DAX Huge Pages. A local attacker with access to DAX\nstorage could use this to gain administrative privileges. (CVE-2020-10757)\n\nIt was discovered that the DesignWare SPI controller driver in the Linux\nkernel contained a race condition. A local attacker could possibly use this\nto cause a denial of service (system crash). (CVE-2020-12769)\n\nIn the Linux kernel before 5.4.16, a race condition in tty-\u003edisc_data\nhandling in the slip and slcan line discipline could lead to a\nuse-after-free, aka CID-0ace17d56824. This affects drivers/net/slip/slip.c\nand drivers/net/can/slcan.c. (CVE-2020-14416)",
  "id": "LSN-0069-1",
  "modified": "2026-06-03T10:46:31Z",
  "published": "2020-07-27T06:24:34Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/LSN-0069-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-10757"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-12769"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-14416"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "Kernel Live Patch Security Notice",
  "upstream": [
    "UBUNTU-CVE-2020-10757",
    "UBUNTU-CVE-2020-12769",
    "UBUNTU-CVE-2020-14416"
  ]
}



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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.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.