The remote Ubuntu 16.04 LTS / 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4363-1 advisory.

    It was discovered that the Serial CAN interface driver in the Linux kernel did not properly initialize     data. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2020-11494)

    It was discovered that the linux kernel did not properly validate certain mount options to the tmpfs     virtual memory file system. A local attacker with the ability to specify mount options could use this to     cause a denial of service (system crash). (CVE-2020-11565)

    David Gibson discovered that the Linux kernel on Power9 CPUs did not properly save and restore Authority     Mask registers state in some situations. A local attacker in a guest VM could use this to cause a denial     of service (host system crash). (CVE-2020-11669)

    It was discovered that the block layer in the Linux kernel contained a race condition leading to a use-     after-free vulnerability. A local attacker could possibly use this to cause a denial of service (system     crash) or execute arbitrary code. (CVE-2020-12657)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Detections

Analytics

Ubuntu 16.04 LTS / 18.04 LTS : Linux kernel vulnerabilities (USN-4363-1)

high Nessus Plugin ID 136710

Version 1.9

Version 1.8

Version 1.7

Version 1.9 Aug 28, 2024, 7:43 PM CVSS metrics ("Cvssv4 score" set to 0.0) CVSSv2 severity (based on None, severity decreased from "High" to "Low") Detection (updated detection logic) Plugin metadata Plugin Feed: 202408281943
Version 1.8 Jan 9, 2024, 6:56 PM Detection (updated detection logic) Plugin metadata Plugin Feed: 202401091856
Version 1.7 Oct 21, 2023, 9:06 AM Detection Exploit attributes ("Exploit available" set to "False") Plugin metadata Plugin Feed: 202310210906