Ubuntu 12.04 LTS : linux vulnerabilities (USN-2678-1)

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 :

A flaw was discovered in the user space memory copying for the pipe
iovecs in the Linux kernel. An unprivileged local user could exploit
this flaw to cause a denial of service (system crash) or potentially
escalate their privileges. (CVE-2015-1805)

Daniel Borkmann reported a kernel crash in the Linux kernel's BPF
filter JIT optimization. A local attacker could exploit this flaw to
cause a denial of service (system crash). (CVE-2015-4700).

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 : 7.2
(CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 6.0
(CVSS2#E:F/RL:OF/RC:ND)
Public Exploit Available : true

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 84980 ()

Bugtraq ID: 74951

CVE ID: CVE-2015-1805
CVE-2015-4700

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