Ubuntu 14.04 LTS : linux vulnerabilities (USN-3207-1)
high Nessus Plugin ID 97320
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Synopsis
The remote Ubuntu host is missing one or more security-related patches.Description
It was discovered that a use-after-free vulnerability existed in the block device layer of the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly gain administrative privileges. (CVE-2016-7910)Dmitry Vyukov discovered a use-after-free vulnerability in the sys_ioprio_get() function in the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly gain administrative privileges. (CVE-2016-7911)
Andrey Konovalov discovered a use-after-free vulnerability in the DCCP implementation in the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly gain administrative privileges. (CVE-2017-6074).
Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
Solution
Update the affected packages.See Also
Plugin Details
Severity: High
ID: 97320
File Name: ubuntu_USN-3207-1.nasl
Version: 3.9
Type: local
Agent: unix
Family: Ubuntu Local Security Checks
Published: 2/22/2017
Updated: 10/27/2020
Dependencies: ssh_get_info.nasl, linux_alt_patch_detect.nasl
Risk Information
VPR
Risk Factor: Critical
Score: 9.4
CVSS v2
Risk Factor: High
Base Score: 9.3
Temporal Score: 7.7
Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C
Temporal Vector: E:F/RL:OF/RC:C
CVSS v3
Risk Factor: High
Base Score: 7.8
Temporal Score: 7.2
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Temporal Vector: E:F/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13-generic-lpae, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.13-lowlatency, p-cpe:/a:canonical:ubuntu_linux:linux-image-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-generic-lpae, p-cpe:/a:canonical:ubuntu_linux:linux-image-highbank, p-cpe:/a:canonical:ubuntu_linux:linux-image-lowlatency, cpe:/o:canonical:ubuntu_linux:14.04
Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 2/21/2017
Vulnerability Publication Date: 11/16/2016
Exploitable With
Core Impact
Reference Information
USN: 3207-1