Re: [SECURITY] [DSA 1356-1] New Linux 2.6.18 packages fix several vulnerabilities

2007-08-27 Thread Goswin von Brederlow
Dimitar Dobrev <[EMAIL PROTECTED]> writes:

> Hi All,
>
> i have build my kernel from source 2.6.18 + debian patches. But after
> every step when configuring the RAID i have rebuild it -
>
> |mkinitrd -o /boot/initrd.img-2.6.18-temp /lib/modules/2.6.18/
> cp ||/boot/initrd.img-2.6.18-temp ||boot/initrd.img-2.6.18|
> |
> My question is: What will happen to my software RAID when i rebuid my
> kernel? Will it function propertly after recompiling the new source?
>
> Regards
> Dimitar

I never had any problems with my software raid on kernel updates. I
don't know what you did but it shouldn't happen.

MfG
Goswin


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Re: [SECURITY] [DSA 1356-1] New Linux 2.6.18 packages fix several vulnerabilities

2007-08-16 Thread Dimitar Dobrev

Ok

i already tested it - i booted into my raid with the new precompiled 
kernel image without any problems!


Regards
Dimitar


Dimitar Dobrev wrote:

Hi All,

i have build my kernel from source 2.6.18 + debian patches. But after 
every step when configuring the RAID i have rebuild it -


|mkinitrd -o /boot/initrd.img-2.6.18-temp /lib/modules/2.6.18/
cp ||/boot/initrd.img-2.6.18-temp ||boot/initrd.img-2.6.18|
|
My question is: What will happen to my software RAID when i rebuid my 
kernel? Will it function propertly after recompiling the new source?


Regards
Dimitar

|dann frazier wrote:

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

- 
-- 

Debian Security Advisory DSA 1356-1
[EMAIL PROTECTED]
http://www.debian.org/security/   Dann 
Frazier
August 15th, 2007   
http://www.debian.org/security/faq
- 
-- 



Package: linux-2.6
Vulnerability  : several
Problem-Type   : local/remote
Debian-specific: no
CVE ID : CVE-2007-1353 CVE-2007-2172 CVE-2007-2453 CVE-2007-2525
 CVE-2007-2876 CVE-2007-3513 CVE-2007-3642 CVE-2007-3848
 CVE-2007-3851
 Several local and remote vulnerabilities have been 
discovered in the Linux
kernel that may lead to a denial of service or the execution of 
arbitrary

code. The Common Vulnerabilities and Exposures project identifies the
following problems:

CVE-2007-1353

Ilja van Sprundel discovered that kernel memory could be leaked 
via the

Bluetooth setsockopt call due to an uninitialized stack buffer. This
could be used by local attackers to read the contents of 
sensitive kernel

memory.

CVE-2007-2172

Thomas Graf reported a typo in the DECnet protocol handler that 
could

be used by a local attacker to overrun an array via crafted packets,
potentially resulting in a Denial of Service (system crash).
A similar issue exists in the IPV4 protocol handler and will be 
fixed

in a subsequent update.

CVE-2007-2453

A couple of issues with random number generation were discovered.
Slightly less random numbers resulted from hashing a subset of the
available entropy. zero-entropy systems were seeded with the same
inputs at boot time, resulting in repeatable series of random 
numbers.


CVE-2007-2525

Florian Zumbiehl discovered a memory leak in the PPPOE subsystem 
caused
by releasing a socket before PPPIOCGCHAN is called upon it. This 
could
be used by a local user to DoS a system by consuming all 
available memory.


CVE-2007-2876

Vilmos Nebehaj discovered a NULL pointer dereference condition in 
the
netfilter subsystem. This allows remote systems which communicate 
using

the SCTP protocol to crash a system by creating a connection with an
unknown chunk type.

CVE-2007-3513

Oliver Neukum reported an issue in the usblcd driver which, by not
limiting the size of write buffers, permits local users with 
write access

to trigger a DoS by consuming all available memory.

CVE-2007-3642

Zhongling Wen reported an issue in nf_conntrack_h323 where the 
lack of
range checking may lead to NULL pointer dereferences. Remote 
attackers

could exploit this to create a DoS condition (system crash).

CVE-2007-3848

Wojciech Purczynski discovered that pdeath_signal was not being 
reset
properly under certain conditions which may allow local users to 
gain

privileges by sending arbitrary signals to suid binaries.

CVE-2007-3851
 Dave Airlie reported that Intel 965 and above 
chipsets have relocated
their batch buffer security bits. Local X server users may 
exploit this

to write user data to arbitrary physical memory addresses.

These problems have been fixed in the stable distribution in version 
2.6.18.dfsg.1-13etch1.


The following matrix lists additional packages that were rebuilt for
compatibility with or to take advantage of this update:

 Debian 4.0 (etch)
 fai-kernels 1.17+etch4
 user-mode-linux 2.6.18-1um-2etch3

We recommend that you upgrade your kernel package immediately and reboot
the machine. If you have built a custom kernel from the kernel source
package, you will need to rebuild to take advantage of these fixes.

Upgrade Instructions
- 

wget url
will fetch the file for you
dpkg -i file.deb
will install the referenced file.

If you are using the apt-get package manager, use the line for
sources.list as given below:

apt-get update
will update the internal database
apt-get upgrade
will install corrected packages

You may use an automated update by adding the resources from the
footer to the proper configuration.


Debian GNU/Linux 4.0 alias etch
- --

Re: [SECURITY] [DSA 1356-1] New Linux 2.6.18 packages fix several vulnerabilities

2007-08-16 Thread Dimitar Dobrev

Hi All,

i have build my kernel from source 2.6.18 + debian patches. But after 
every step when configuring the RAID i have rebuild it -


|mkinitrd -o /boot/initrd.img-2.6.18-temp /lib/modules/2.6.18/
cp ||/boot/initrd.img-2.6.18-temp ||boot/initrd.img-2.6.18|
|
My question is: What will happen to my software RAID when i rebuid my 
kernel? Will it function propertly after recompiling the new source?


Regards
Dimitar

|dann frazier wrote:

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

- --
Debian Security Advisory DSA 1356-1[EMAIL PROTECTED]
http://www.debian.org/security/   Dann Frazier
August 15th, 2007   http://www.debian.org/security/faq
- --

Package: linux-2.6
Vulnerability  : several
Problem-Type   : local/remote
Debian-specific: no
CVE ID : CVE-2007-1353 CVE-2007-2172 CVE-2007-2453 CVE-2007-2525
 CVE-2007-2876 CVE-2007-3513 CVE-2007-3642 CVE-2007-3848
 CVE-2007-3851
 
Several local and remote vulnerabilities have been discovered in the Linux

kernel that may lead to a denial of service or the execution of arbitrary
code. The Common Vulnerabilities and Exposures project identifies the
following problems:

CVE-2007-1353

Ilja van Sprundel discovered that kernel memory could be leaked via the
Bluetooth setsockopt call due to an uninitialized stack buffer. This
could be used by local attackers to read the contents of sensitive kernel
memory.

CVE-2007-2172

Thomas Graf reported a typo in the DECnet protocol handler that could
be used by a local attacker to overrun an array via crafted packets,
potentially resulting in a Denial of Service (system crash).
A similar issue exists in the IPV4 protocol handler and will be fixed
in a subsequent update.

CVE-2007-2453

A couple of issues with random number generation were discovered.
Slightly less random numbers resulted from hashing a subset of the
available entropy. zero-entropy systems were seeded with the same
inputs at boot time, resulting in repeatable series of random numbers.

CVE-2007-2525

Florian Zumbiehl discovered a memory leak in the PPPOE subsystem caused
by releasing a socket before PPPIOCGCHAN is called upon it. This could
be used by a local user to DoS a system by consuming all available memory.

CVE-2007-2876

Vilmos Nebehaj discovered a NULL pointer dereference condition in the
netfilter subsystem. This allows remote systems which communicate using
the SCTP protocol to crash a system by creating a connection with an
unknown chunk type.

CVE-2007-3513

Oliver Neukum reported an issue in the usblcd driver which, by not
limiting the size of write buffers, permits local users with write access
to trigger a DoS by consuming all available memory.

CVE-2007-3642

Zhongling Wen reported an issue in nf_conntrack_h323 where the lack of
range checking may lead to NULL pointer dereferences. Remote attackers
could exploit this to create a DoS condition (system crash).

CVE-2007-3848

Wojciech Purczynski discovered that pdeath_signal was not being reset
properly under certain conditions which may allow local users to gain
privileges by sending arbitrary signals to suid binaries.

CVE-2007-3851
 
Dave Airlie reported that Intel 965 and above chipsets have relocated

their batch buffer security bits. Local X server users may exploit this
to write user data to arbitrary physical memory addresses.

These problems have been fixed in the stable distribution in version 
2.6.18.dfsg.1-13etch1.


The following matrix lists additional packages that were rebuilt for
compatibility with or to take advantage of this update:

 Debian 4.0 (etch)
 fai-kernels 1.17+etch4
 user-mode-linux 2.6.18-1um-2etch3

We recommend that you upgrade your kernel package immediately and reboot
the machine. If you have built a custom kernel from the kernel source
package, you will need to rebuild to take advantage of these fixes.

Upgrade Instructions
- 

wget url
will fetch the file for you
dpkg -i file.deb
will install the referenced file.

If you are using the apt-get package manager, use the line for
sources.list as given below:

apt-get update
will update the internal database
apt-get upgrade
will install corrected packages

You may use an automated update by adding the resources from the
footer to the proper configuration.


Debian GNU/Linux 4.0 alias etch
- 

  Source archives:


http://security.debian.org/pool/updates/main/l/linux-2.6/linux-2.6_2.6.18.dfsg.1-13etch1.dsc
  Size/MD5 checksum: 5672 ef2648e54