The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5338-1 advisory.

    Yiqi Sun and Kevin Wang discovered that the cgroups implementation in the Linux kernel did not properly     restrict access to the cgroups v1 release_agent feature. A local attacker could use this to gain     administrative privileges. (CVE-2022-0492)

    Jrgen Gro discovered that the Xen subsystem within the Linux kernel did not adequately limit the     number of events driver domains (unprivileged PV backends) could send to other guest VMs. An attacker in a     driver domain could use this to cause a denial of service in other guest VMs. (CVE-2021-28711,     CVE-2021-28712, CVE-2021-28713)

    Jrgen Gro discovered that the Xen network backend driver in the Linux kernel did not adequately limit     the amount of queued packets when a guest did not process them. An attacker in a guest VM can use this to     cause a denial of service (excessive kernel memory consumption) in the network backend domain.
    (CVE-2021-28714, CVE-2021-28715)

    It was discovered that the simulated networking device driver for the Linux kernel did not properly     initialize memory in certain situations. A local attacker could use this to expose sensitive information     (kernel memory). (CVE-2021-4135)

    Brendan Dolan-Gavitt discovered that the Marvell WiFi-Ex USB device driver in the Linux kernel did not     properly handle some error conditions. A physically proximate attacker could use this to cause a denial of     service (system crash). (CVE-2021-43976)

    It was discovered that the ARM Trusted Execution Environment (TEE) subsystem in the Linux kernel contained     a race condition leading to a use- after-free vulnerability. A local attacker could use this to cause a     denial of service or possibly execute arbitrary code. (CVE-2021-44733)

    It was discovered that the Phone Network protocol (PhoNet) implementation in the Linux kernel did not     properly perform reference counting in some error conditions. A local attacker could possibly use this to     cause a denial of service (memory exhaustion). (CVE-2021-45095)

    It was discovered that the Reliable Datagram Sockets (RDS) protocol implementation in the Linux kernel did     not properly deallocate memory in some error conditions. A local attacker could possibly use this to cause     a denial of service (memory exhaustion). (CVE-2021-45480)

    Samuel Page discovered that the Transparent Inter-Process Communication (TIPC) protocol implementation in     the Linux kernel contained a stack-based buffer overflow. A remote attacker could use this to cause a     denial of service (system crash) for systems that have a TIPC bearer configured. (CVE-2022-0435)

    It was discovered that the KVM implementation for s390 systems in the Linux kernel did not properly     prevent memory operations on PVM guests that were in non-protected mode. A local attacker could use this     to obtain unauthorized memory write access. (CVE-2022-0516)

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 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-5338-1)

high Nessus Plugin ID 159144

Version 1.9

Version 1.8

Version 1.7

Version 1.7

Version 1.6

Version 1.5

Version 1.4

Version 1.9 Aug 28, 2024, 11:02 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: 202408282302
Version 1.8 Jan 10, 2024, 8:45 AM Detection (updated detection logic) Plugin metadata Plugin Feed: 202401100845
Version 1.7 Jan 9, 2024, 6:56 PM Detection (updated detection logic) Plugin metadata Plugin Feed: 202401091856
Version 1.7 Dec 7, 2023, 3:25 PM CVSS temporal metrics ("CVSSv2 temporal vector" set to "CVSS2#E:F/RL:OF/RC:C". "CVSSv3 temporal vector" set to "CVSS:3.0/E:F/RL:O/RC:C") Exploit attributes ("Exploit framework metasploit" set to "True") Plugin Feed: 202312071525
Version 1.6 Oct 16, 2023, 7:25 PM Detection Plugin metadata Plugin requirements Plugin Feed: 202310161925
Version 1.5 Jul 13, 2023, 1:59 AM CVSS temporal metrics ("CVSSv2 temporal vector" set to "CVSS2#E:POC/RL:OF/RC:C". "CVSSv3 temporal vector" set to "CVSS:3.0/E:P/RL:O/RC:C") Detection Exploit attributes ("Exploit available" set to "True". "Exploitability ease" changed from "No known exploits are available" to "Exploits are available") Plugin requirements Plugin Feed: 202307130159
Version 1.4 Jan 18, 2023, 9:01 AM Logic Changes (Added support for s390x) Plugin Feed: 202301180901