Linux kernel vulnerabilities

Releases

• Ubuntu 7.10
• Ubuntu 7.04
• Ubuntu 6.06

Packages

• linux-backports-modules-2.6.15 -
• linux-backports-modules-2.6.20 -
• linux-backports-modules-2.6.22 -
• linux-restricted-modules-2.6.15 -
• linux-restricted-modules-2.6.20 -
• linux-restricted-modules-2.6.22 -
• linux-source-2.6.15 -
• linux-source-2.6.20 -
• linux-source-2.6.22 -
• linux-ubuntu-modules-2.6.22 -

Details

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. (CVE-2007-5904)

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.
(CVE-2008-0007)

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)