Ubuntu 15.04 : linux vulnerabilities (USN-2638-1)

High Nessus Plugin ID 84125

Synopsis

The remote Ubuntu host is missing one or more security-related patches.

Description

Xiong Zhou discovered a bug in the way the EXT4 filesystem handles fallocate zero range functionality when the page size is greater than the block size. A local attacker could exploit this flaw to cause a denial of service (system crash). (CVE-2015-0275)

Wen Xu discovered a use-after-free flaw in the Linux kernel's ipv4 ping support. A local user could exploit this flaw to cause a denial of service (system crash) or gain administrative privileges on the system. (CVE-2015-3636)

A memory corruption flaw was discovered in the Linux kernel's scsi subsystem. A local attacker could potentially exploit this flaw to cause a denial of service (system crash). (CVE-2015-4036).

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 linux-image-3.19-generic, linux-image-3.19-generic-lpae and / or linux-image-3.19-lowlatency packages.

See Also

https://usn.ubuntu.com/2638-1/

Plugin Details

Severity: High

ID: 84125

File Name: ubuntu_USN-2638-1.nasl

Version: 2.12

Type: local

Agent: unix

Published: 2015/06/11

Updated: 2019/03/21

Dependencies: 12634, 122878

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 7.2

Temporal Score: 5.3

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:linux-image-3.19-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.19-generic-lpae, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.19-lowlatency, cpe:/o:canonical:ubuntu_linux:15.04

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

Exploit Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2015/06/10

Vulnerability Publication Date: 2015/08/05

Reference Information

CVE: CVE-2015-0275, CVE-2015-3636, CVE-2015-4036

USN: 2638-1