Ubuntu 6.06 LTS / 7.04 / 7.10 : linux-source-2.6.15/20/22 vulnerabilities (USN-618-1)

Ubuntu Security Notice (C) 2008-2016 Canonical, Inc. / NASL script (C) 2008-2016 Tenable Network Security, Inc.

Synopsis :

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

Description :

It was discovered that the ALSA /proc interface did not write the
correct number of bytes when reporting memory allocations. A local
attacker might be able to access sensitive kernel memory, leading to a
loss of privacy. (CVE-2007-4571)

Multiple buffer overflows were discovered in the handling of CIFS
filesystems. A malicious CIFS server could cause a client system crash
or possibly execute arbitrary code with kernel privileges.

It was discovered that PowerPC kernels did not correctly handle
reporting certain system details. By requesting a specific set of
information, a local attacker could cause a system crash resulting in
a denial of service. (CVE-2007-6694)

It was discovered that some device driver fault handlers did not
correctly verify memory ranges. A local attacker could exploit this to
access sensitive kernel memory, possibly leading to a loss of privacy.

It was discovered that CPU resource limits could be bypassed. A
malicious local user could exploit this to avoid administratively
imposed resource limits. (CVE-2008-1294)

A race condition was discovered between dnotify fcntl() and close() in
the kernel. If a local attacker performed malicious dnotify requests,
they could cause memory consumption leading to a denial of service, or
possibly send arbitrary signals to any process. (CVE-2008-1375)

On SMP systems, a race condition existed in fcntl(). Local attackers
could perform malicious locks, causing system crashes and leading to a
denial of service. (CVE-2008-1669).

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
CVSS Temporal Score : 6.8
Public Exploit Available : false

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 33255 ()

Bugtraq ID: 25807

CVE ID: CVE-2007-4571

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