Ubuntu 12.04 LTS : linux vulnerabilities (USN-2713-1)

Ubuntu Security Notice (C) 2015-2016 Canonical, Inc. / NASL script (C) 2015-2016 Tenable Network Security, Inc.


Synopsis :

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

Description :

Marcelo Ricardo Leitner discovered a race condition in the Linux
kernel's SCTP address configuration lists when using Address
Configuration Change (ASCONF) options on a socket. An unprivileged
local user could exploit this flaw to cause a denial of service
(system crash). (CVE-2015-3212)

A flaw was discovered in how the Linux kernel handles invalid UDP
checksums. A remote attacker could exploit this flaw to cause a denial
of service using a flood of UDP packets with invalid checksums.
(CVE-2015-5364)

A flaw was discovered in how the Linux kernel handles invalid UDP
checksums. A remote attacker can cause a denial of service against
applications that use epoll by injecting a single packet with an
invalid checksum. (CVE-2015-5366).

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.

Risk factor :

High / CVSS Base Score : 7.8
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C)

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 85507 ()

Bugtraq ID:

CVE ID: CVE-2015-3212
CVE-2015-5364
CVE-2015-5366

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