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Ubuntu 16.04 LTS : Linux kernel vulnerabilities (USN-3378-1)

high Nessus Plugin ID 102197

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Synopsis

The remote Ubuntu host is missing one or more security updates.

Description

The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3378-1 advisory.

 Fan Wu and Shixiong Zhao discovered a race condition between inotify events and vfs rename operations in the Linux kernel. An unprivileged local attacker could use this to cause a denial of service (system crash) or execute arbitrary code. (CVE-2017-7533)

 It was discovered that the Linux kernel did not properly restrict RLIMIT_STACK size. A local attacker could use this in conjunction with another vulnerability to possibly execute arbitrary code.
 (CVE-2017-1000365)

 discovered that the Virtio GPU driver in the Linux kernel did not properly free memory in some situations. A local attacker could use this to cause a denial of service (memory consumption).
 (CVE-2017-10810)

 discovered that the RxRPC Kerberos 5 ticket handling code in the Linux kernel did not properly verify metadata. A remote attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2017-7482)

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.

Solution

Update the affected kernel package.

See Also

https://ubuntu.com/security/notices/USN-3378-1

Plugin Details

Severity: High

ID: 102197

File Name: ubuntu_USN-3378-1.nasl

Version: 3.13

Type: local

Agent: unix

Published: 8/4/2017

Updated: 8/27/2024

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2017-7482

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-89-generic-lpae, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-89-powerpc64-emb, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-1067-raspi2, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-89-lowlatency, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-89-powerpc64-smp, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-1024-gke, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-89-powerpc-e500mc, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-89-powerpc-smp, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-1028-aws, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-1069-snapdragon, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-89-generic

Required KB Items: Host/cpu, Host/Debian/dpkg-l, Host/Ubuntu, Host/Ubuntu/release

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 8/3/2017

Vulnerability Publication Date: 6/19/2017

Reference Information

CVE: CVE-2017-1000365, CVE-2017-10810, CVE-2017-7482, CVE-2017-7533

USN: 3378-1