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DSA 1381-1: New Linux 2.6.18 packages fix several vulnerabilities
Posted by Bob on: 10/03/2007 03:10 AM [ Print | 0 comment(s) ]
The Debian Security Team published a new security update for Debian GNU/Linux. Here the announcement:
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
- --------------------------------------------------------------------------
Debian Security Advisory DSA 1381-1 security@debian.org
http://www.debian.org/security/ Dann Frazier
October 2nd, 2007 http://www.debian.org/security/faq
- --------------------------------------------------------------------------
Package : linux-2.6
Vulnerability : several
Problem-Type : local
Debian-specific: no
CVE ID : CVE-2006-5755 CVE-2007-4133 CVE-2007-4573 CVE-2007-5093
Several local 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-2006-5755
The NT bit maybe leaked into the next task which can local attackers
to cause a Denial of Service (crash) on systems which run the 'amd64'
flavour kernel. The stable distribution ('etch') was not believed to
be vulnerable to this issue at the time of release, however Bastian
Blank discovered that this issue still applied to the 'xen-amd64' and
'xen-vserver-amd64' flavours, and is resolved by this DSA.
CVE-2007-4133
Hugh Dickins discovered a potential local DoS (panic) in hugetlbfs.
A misconversion of hugetlb_vmtruncate_list to prio_tree may allow
local users to trigger a BUG_ON() call in exit_mmap.
CVE-2007-4573
Wojciech Purczynski discovered a vulnerability that can be exploited
by a local user to obtain superuser privileges on x86_64 systems.
This resulted from improper clearing of the high bits of registers
during ia32 system call emulation. This vulnerability is relevant
to the Debian amd64 port as well as users of the i386 port who run
the amd64 linux-image flavour.
DSA-1378 resolved this problem for the 'amd64' flavour kernels, but
Tim Wickberg and Ralf HemmenstÃdt reported an outstanding issue with
the 'xen-amd64' and 'xen-vserver-amd64' issues that is resolved by
this DSA.
CVE-2007-5093
Alex Smith discovered an issue with the pwc driver for certain webcam
devices. If the device is removed while a userspace application has it
open, the driver will wait for userspace to close the device, resulting
in a blocked USB subsystem. This issue is of low security impact as
it requires the attacker to either have physical access to the system
or to convince a user with local access to remove the device on their
behalf.
These problems have been fixed in the stable distribution in version
2.6.18.dfsg.1-13etch4.
At the time of this DSA, only the build for the amd64 architecture is
available. Due to the severity of the amd64-specific issues, we are
releasing an incomplete update. This advisory will be updated once
other architecture builds become available.
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.1-13etch4.dsc
Size/MD5 checksum: 5672 37f70bdc04b866a5dbcaa8f849be618a
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-2.6_2.6.18.dfsg.1-13etch4.diff.gz
Size/MD5 checksum: 5321790 7bc41f428b95ef6fe99361ca8854e6da
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-2.6_2.6.18.dfsg.1.orig.tar.gz
Size/MD5 checksum: 52225460 6a1ab0948d6b5b453ea0fce0fcc29060
Architecture independent components:
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-doc-2.6.18_2.6.18.dfsg.1-13etch4_all.deb
Size/MD5 checksum: 3586640 3bd5240a2610896cc497c62eb88b155c
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-manual-2.6.18_2.6.18.dfsg.1-13etch4_all.deb
Size/MD5 checksum: 1083674 f8c4bf0032e87733d2ee3f2f1f739f9d
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-patch-debian-2.6.18_2.6.18.dfsg.1-13etch4_all.deb
Size/MD5 checksum: 1499612 10c0c285c4183493633f2b29f6036d14
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-source-2.6.18_2.6.18.dfsg.1-13etch4_all.deb
Size/MD5 checksum: 41419632 8ced68949f94c78c5fc992deebdf1c85
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-support-2.6.18-5_2.6.18.dfsg.1-13etch4_all.deb
Size/MD5 checksum: 3739000 f73b86b37f56ab817c341c43bd4cf8fe
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-tree-2.6.18_2.6.18.dfsg.1-13etch4_all.deb
Size/MD5 checksum: 51982 4593b4bbf1f423b1d6e426602243defd
AMD64 architecture:
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-headers-2.6.18-5_2.6.18.dfsg.1-13etch4_amd64.deb
Size/MD5 checksum: 3165218 4f4764c3aef1f9e11201852b94467850
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-headers-2.6.18-5-all_2.6.18.dfsg.1-13etch4_amd64.deb
Size/MD5 checksum: 51516 a90387023090038a122da75482b981fd
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-headers-2.6.18-5-all-amd64_2.6.18.dfsg.1-13etch4_amd64.deb
Size/MD5 checksum: 51542 cb132c34f0684e6a7b1facc9432ecca2
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-headers-2.6.18-5-amd64_2.6.18.dfsg.1-13etch4_amd64.deb
Size/MD5 checksum: 269088 d3d721166785a2acfc475b8a87eb7de0
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-headers-2.6.18-5-vserver_2.6.18.dfsg.1-13etch4_amd64.deb
Size/MD5 checksum: 3188578 58346ab81a8dae1bbff87412b9d071a8
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-headers-2.6.18-5-vserver-amd64_2.6.18.dfsg.1-13etch4_amd64.deb
Size/MD5 checksum: 269454 ef04a599ceb19d37a544cd6f95000138
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-headers-2.6.18-5-xen_2.6.18.dfsg.1-13etch4_amd64.deb
Size/MD5 checksum: 3331732 8b0e214847656f1fb6b2d35396db36a7
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-headers-2.6.18-5-xen-amd64_2.6.18.dfsg.1-13etch4_amd64.deb
Size/MD5 checksum: 269772 1d3f9740c35d4510c6612bb645b1ef79
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-headers-2.6.18-5-xen-vserver_2.6.18.dfsg.1-13etch4_amd64.deb
Size/MD5 checksum: 3354462 30fce94ecaa6650c7eb3307e76ad47d9
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-headers-2.6.18-5-xen-vserver-amd64_2.6.18.dfsg.1-13etch4_amd64.deb
Size/MD5 checksum: 270790 4cd241518cb91e87bbcc62c09117accc
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-image-2.6.18-5-amd64_2.6.18.dfsg.1-13etch4_amd64.deb
Size/MD5 checksum: 16800532 5cd7846a71c94945df71cf67b3d9f254
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-image-2.6.18-5-vserver-amd64_2.6.18.dfsg.1-13etch4_amd64.deb
Size/MD5 checksum: 16840344 d264466281d7596876f18427dc7dad37
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-image-2.6.18-5-xen-amd64_2.6.18.dfsg.1-13etch4_amd64.deb
Size/MD5 checksum: 1648548 ff22e2a8c3f269295231b2b24289a892
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-image-2.6.18-5-xen-vserver-amd64_2.6.18.dfsg.1-13etch4_amd64.deb
Size/MD5 checksum: 1679922 f7061df614029b187d6883902b2053b7
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-modules-2.6.18-5-xen-amd64_2.6.18.dfsg.1-13etch4_amd64.deb
Size/MD5 checksum: 15239984 c8de0964da37ad0d13a7c0b1a8dbe927
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-modules-2.6.18-5-xen-vserver-amd64_2.6.18.dfsg.1-13etch4_amd64.deb
Size/MD5 checksum: 15257046 7fbf51b2580cdf39314d5cae996f8059
http://security.debian.org/pool/updates/main/l/linux-2.6/xen-linux-system-2.6.18-5-xen-amd64_2.6.18.dfsg.1-13etch4_amd64.deb
Size/MD5 checksum: 51500 d813a622add08eb6ca03f118af21e6c0
http://security.debian.org/pool/updates/main/l/linux-2.6/xen-linux-system-2.6.18-5-xen-vserver-amd64_2.6.18.dfsg.1-13etch4_amd64.deb
Size/MD5 checksum: 51514 9f3b1193357e2b448f653e3dd8cac1ac
These files will probably be moved into the stable distribution on
its next update.
- ---------------------------------------------------------------------------------
For apt-get: deb http://security.debian.org/ etch/updates main
For dpkg-ftp: ftp://security.debian.org/debian-security dists/etch/updates/main
Mailing list: debian-security-announce@lists.debian.org
Package info: `apt-cache show lt;pkggt;' and http://packages.debian.org/lt;pkggt;
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Hash: SHA1
- --------------------------------------------------------------------------
Debian Security Advisory DSA 1381-1 security@debian.org
http://www.debian.org/security/ Dann Frazier
October 2nd, 2007 http://www.debian.org/security/faq
- --------------------------------------------------------------------------
Package : linux-2.6
Vulnerability : several
Problem-Type : local
Debian-specific: no
CVE ID : CVE-2006-5755 CVE-2007-4133 CVE-2007-4573 CVE-2007-5093
Several local 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-2006-5755
The NT bit maybe leaked into the next task which can local attackers
to cause a Denial of Service (crash) on systems which run the 'amd64'
flavour kernel. The stable distribution ('etch') was not believed to
be vulnerable to this issue at the time of release, however Bastian
Blank discovered that this issue still applied to the 'xen-amd64' and
'xen-vserver-amd64' flavours, and is resolved by this DSA.
CVE-2007-4133
Hugh Dickins discovered a potential local DoS (panic) in hugetlbfs.
A misconversion of hugetlb_vmtruncate_list to prio_tree may allow
local users to trigger a BUG_ON() call in exit_mmap.
CVE-2007-4573
Wojciech Purczynski discovered a vulnerability that can be exploited
by a local user to obtain superuser privileges on x86_64 systems.
This resulted from improper clearing of the high bits of registers
during ia32 system call emulation. This vulnerability is relevant
to the Debian amd64 port as well as users of the i386 port who run
the amd64 linux-image flavour.
DSA-1378 resolved this problem for the 'amd64' flavour kernels, but
Tim Wickberg and Ralf HemmenstÃdt reported an outstanding issue with
the 'xen-amd64' and 'xen-vserver-amd64' issues that is resolved by
this DSA.
CVE-2007-5093
Alex Smith discovered an issue with the pwc driver for certain webcam
devices. If the device is removed while a userspace application has it
open, the driver will wait for userspace to close the device, resulting
in a blocked USB subsystem. This issue is of low security impact as
it requires the attacker to either have physical access to the system
or to convince a user with local access to remove the device on their
behalf.
These problems have been fixed in the stable distribution in version
2.6.18.dfsg.1-13etch4.
At the time of this DSA, only the build for the amd64 architecture is
available. Due to the severity of the amd64-specific issues, we are
releasing an incomplete update. This advisory will be updated once
other architecture builds become available.
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.1-13etch4.dsc
Size/MD5 checksum: 5672 37f70bdc04b866a5dbcaa8f849be618a
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-2.6_2.6.18.dfsg.1-13etch4.diff.gz
Size/MD5 checksum: 5321790 7bc41f428b95ef6fe99361ca8854e6da
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-2.6_2.6.18.dfsg.1.orig.tar.gz
Size/MD5 checksum: 52225460 6a1ab0948d6b5b453ea0fce0fcc29060
Architecture independent components:
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-doc-2.6.18_2.6.18.dfsg.1-13etch4_all.deb
Size/MD5 checksum: 3586640 3bd5240a2610896cc497c62eb88b155c
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-manual-2.6.18_2.6.18.dfsg.1-13etch4_all.deb
Size/MD5 checksum: 1083674 f8c4bf0032e87733d2ee3f2f1f739f9d
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-patch-debian-2.6.18_2.6.18.dfsg.1-13etch4_all.deb
Size/MD5 checksum: 1499612 10c0c285c4183493633f2b29f6036d14
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-source-2.6.18_2.6.18.dfsg.1-13etch4_all.deb
Size/MD5 checksum: 41419632 8ced68949f94c78c5fc992deebdf1c85
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-support-2.6.18-5_2.6.18.dfsg.1-13etch4_all.deb
Size/MD5 checksum: 3739000 f73b86b37f56ab817c341c43bd4cf8fe
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-tree-2.6.18_2.6.18.dfsg.1-13etch4_all.deb
Size/MD5 checksum: 51982 4593b4bbf1f423b1d6e426602243defd
AMD64 architecture:
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-headers-2.6.18-5_2.6.18.dfsg.1-13etch4_amd64.deb
Size/MD5 checksum: 3165218 4f4764c3aef1f9e11201852b94467850
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-headers-2.6.18-5-all_2.6.18.dfsg.1-13etch4_amd64.deb
Size/MD5 checksum: 51516 a90387023090038a122da75482b981fd
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-headers-2.6.18-5-all-amd64_2.6.18.dfsg.1-13etch4_amd64.deb
Size/MD5 checksum: 51542 cb132c34f0684e6a7b1facc9432ecca2
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-headers-2.6.18-5-amd64_2.6.18.dfsg.1-13etch4_amd64.deb
Size/MD5 checksum: 269088 d3d721166785a2acfc475b8a87eb7de0
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-headers-2.6.18-5-vserver_2.6.18.dfsg.1-13etch4_amd64.deb
Size/MD5 checksum: 3188578 58346ab81a8dae1bbff87412b9d071a8
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-headers-2.6.18-5-vserver-amd64_2.6.18.dfsg.1-13etch4_amd64.deb
Size/MD5 checksum: 269454 ef04a599ceb19d37a544cd6f95000138
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-headers-2.6.18-5-xen_2.6.18.dfsg.1-13etch4_amd64.deb
Size/MD5 checksum: 3331732 8b0e214847656f1fb6b2d35396db36a7
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-headers-2.6.18-5-xen-amd64_2.6.18.dfsg.1-13etch4_amd64.deb
Size/MD5 checksum: 269772 1d3f9740c35d4510c6612bb645b1ef79
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-headers-2.6.18-5-xen-vserver_2.6.18.dfsg.1-13etch4_amd64.deb
Size/MD5 checksum: 3354462 30fce94ecaa6650c7eb3307e76ad47d9
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-headers-2.6.18-5-xen-vserver-amd64_2.6.18.dfsg.1-13etch4_amd64.deb
Size/MD5 checksum: 270790 4cd241518cb91e87bbcc62c09117accc
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-image-2.6.18-5-amd64_2.6.18.dfsg.1-13etch4_amd64.deb
Size/MD5 checksum: 16800532 5cd7846a71c94945df71cf67b3d9f254
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-image-2.6.18-5-vserver-amd64_2.6.18.dfsg.1-13etch4_amd64.deb
Size/MD5 checksum: 16840344 d264466281d7596876f18427dc7dad37
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-image-2.6.18-5-xen-amd64_2.6.18.dfsg.1-13etch4_amd64.deb
Size/MD5 checksum: 1648548 ff22e2a8c3f269295231b2b24289a892
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-image-2.6.18-5-xen-vserver-amd64_2.6.18.dfsg.1-13etch4_amd64.deb
Size/MD5 checksum: 1679922 f7061df614029b187d6883902b2053b7
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-modules-2.6.18-5-xen-amd64_2.6.18.dfsg.1-13etch4_amd64.deb
Size/MD5 checksum: 15239984 c8de0964da37ad0d13a7c0b1a8dbe927
http://security.debian.org/pool/updates/main/l/linux-2.6/linux-modules-2.6.18-5-xen-vserver-amd64_2.6.18.dfsg.1-13etch4_amd64.deb
Size/MD5 checksum: 15257046 7fbf51b2580cdf39314d5cae996f8059
http://security.debian.org/pool/updates/main/l/linux-2.6/xen-linux-system-2.6.18-5-xen-amd64_2.6.18.dfsg.1-13etch4_amd64.deb
Size/MD5 checksum: 51500 d813a622add08eb6ca03f118af21e6c0
http://security.debian.org/pool/updates/main/l/linux-2.6/xen-linux-system-2.6.18-5-xen-vserver-amd64_2.6.18.dfsg.1-13etch4_amd64.deb
Size/MD5 checksum: 51514 9f3b1193357e2b448f653e3dd8cac1ac
These files will probably be moved into the stable distribution on
its next update.
- ---------------------------------------------------------------------------------
For apt-get: deb http://security.debian.org/ etch/updates main
For dpkg-ftp: ftp://security.debian.org/debian-security dists/etch/updates/main
Mailing list: debian-security-announce@lists.debian.org
Package info: `apt-cache show lt;pkggt;' and http://packages.debian.org/lt;pkggt;
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