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Home » Hacking News » MDKSA-2002:041-kernel 2.2 and 2.4

MDKSA-2002:041-kernel 2.2 and 2.4

by Nikola Strahija on July 4th, 2002 A problem was discovered in the CIPE (VPN tunnel) implementation in the Linux kernel where a malformed packet could cause a crash. Andrew Griffiths discovered a vulnerability that allows remote machines to read random memory by utilizing a bug in the ICMP implementation of Linux kernels. This only affects kernels prior to 2.4.0-test6 and 2.2.18; all Mandrake Linux 2.4 kernels are not vulnerable to this problem.


Another problem was discovered by the Linux Netfilter team in the IRC
connection tracking component of netfilter in Linux 2.4 kernels. It
consists of a very broad netmask setting which is applied to check if
an IRC DCC connection through a masqueraded firewall should be allowed.
This would lead to unwanted ports being opened on the firewall which
could possibly allow inbound connections depending on the firewall
rules in use.

The 2.2 and 2.4 kernels are also affected by the zlib double-free()
problem as routines from the compression library are used by functions
that uncompress filesystems loaded into ramdisks and other occassions
that are not security-critical. The kernel also uses the compression
library in the PPP layer as well as the freeswan IPSec kernel module.

As well, a number of other non-security fixes are present in these
kernels, including new and enhanced drivers, LSB compliance, and more.

MandrakeSoft encourages all users to upgrade their kernel as soon as
possible to these new 2.2 and 2.4 kernels.

NOTE: This update cannot be accomplished via MandrakeUpdate; it must be
done on the console. This prevents one from upgrading a kernel instead
of installing a new kernel. To upgrade, please ensure that you have
first upgraded iptables, mkinitrd, and initscripts packages if they are
applicable to your platform. Use "rpm -ivh kernel_package" to install
the new kernel. Prior to rebooting, double-check your /etc/lilo.conf,
/boot/grub/menu.lst, or /etc/yaboot.conf (PPC users only) to ensure
that you are able to boot properly into both old and new kernels (this
will allow you to boot into the old kernel if the new kernel does not
work to your liking).

LILO users should execute "/sbin/lilo -v", GRUB users should execute
"sh /boot/grun/install.sh", and PPC users must type "/sbin/ybin -v" to
write the boot record in order to reboot into the new kernel if you
made any changes to the respective boot configuration files.

New kernels for Mandrake Linux 8.1/IA64 will be available shortly.
________________________________________________________________________

References:

________________________________________________________________________

Updated Packages:

Linux-Mandrake 7.1:
89a74479d4a0a685f88b5b49dd51b741 7.1/RPMS/alsa-2.2.19_0.5.10b-6.4mdk.i586.rpm
1a212b6a82a3d69e89b9c04beba8c378
7.1/RPMS/alsa-source-2.2.19_0.5.10b-6.4mdk.i586.rpm
6df92e7ba462cb3d7b18047b800b7b92 7.1/RPMS/kernel-2.2.19-6.4mdk.i586.rpm
1b9e5b47ff585c2400db9d4a36369242 7.1/RPMS/kernel-doc-2.2.19-6.4mdk.i586.rpm
388da5e5ab45099131ee2be2d1400700
7.1/RPMS/kernel-headers-2.2.19-6.4mdk.i586.rpm
a2955bcbf45d9398dde4663dcb082154
7.1/RPMS/kernel-pcmcia-cs-2.2.19-6.4mdk.i586.rpm
b12e2f865349de601f3e2504c96ca696
7.1/RPMS/kernel-secure-2.2.19-6.4mdk.i586.rpm
5f97b418b9493e1d06bc4850ed2f0d29 7.1/RPMS/kernel-smp-2.2.19-6.4mdk.i586.rpm
705081b8274b2975e863057b7dabf785
7.1/RPMS/kernel-source-2.2.19-6.4mdk.i586.rpm
b1346849b552e0ea0ed7506f6feb7e71 7.1/RPMS/kernel-utils-2.2.19-6.4mdk.i586.rpm
c528ec474457a7a25ded1bf1c2ada7eb
7.1/RPMS/reiserfs-utils-2.2.19_3.5.29-6.4mdk.i586.rpm
53ed02aabbbc6b39499e9916722ee3b4 7.1/SRPMS/kernel-2.2.19-6.4mdk.src.rpm

Linux-Mandrake 7.2:
3e82e3f62ec09628c8cbfcd14144df3f 7.2/RPMS/alsa-2.2.19_0.5.10b-6.4mdk.i586.rpm
aa2e6331cab7608c2c53f35e727e49e0
7.2/RPMS/alsa-source-2.2.19_0.5.10b-6.4mdk.i586.rpm
188d0fbedf71b069cb00d6b43dabece8 7.2/RPMS/kernel-2.2.19-6.4mdk.i586.rpm
78e13bab41130b6a1f07831dc9dd89b7 7.2/RPMS/kernel-doc-2.2.19-6.4mdk.i586.rpm
37299985c82a109f23ef9243a0297351
7.2/RPMS/kernel-headers-2.2.19-6.4mdk.i586.rpm
ab7069405fe8b1bd613621ffb82e89bc
7.2/RPMS/kernel-pcmcia-cs-2.2.19-6.4mdk.i586.rpm
a0f63847e48c8947b06459b8a7f83224
7.2/RPMS/kernel-secure-2.2.19-6.4mdk.i586.rpm
1fd0b4d6bf8b7a6113eeb0ff85915ac7 7.2/RPMS/kernel-smp-2.2.19-6.4mdk.i586.rpm
1732e14ced4ec669a0e939afe024382c
7.2/RPMS/kernel-source-2.2.19-6.4mdk.i586.rpm
c70835ae90d4fce0f8111f5d29be1cf3 7.2/RPMS/kernel-utils-2.2.19-6.4mdk.i586.rpm
5931d3bda493d937b26a5ad83b0263d6
7.2/RPMS/reiserfs-utils-2.2.19_3.5.29-6.4mdk.i586.rpm
53ed02aabbbc6b39499e9916722ee3b4 7.2/SRPMS/kernel-2.2.19-6.4mdk.src.rpm

Mandrake Linux 8.0:
6a8e28c0d1c8d2b3ce3e26a304b3f146 8.0/RPMS/initscripts-5.83-7.1mdk.i586.rpm
15a22adbed6ba7939acce1129fc08c63 8.0/RPMS/iptables-1.2.5-1.1mdk.i586.rpm
18d0f2803934688bdb00c3833daceb00 8.0/RPMS/iptables-ipv6-1.2.5-1.1mdk.i586.rpm
280ff798cc5215a8e5d0ba600e56735c
8.0/RPMS/kernel-2.4.18.8.2mdk-1-3mdk.i586.rpm
c5e21fba0203a05179b8c4bd7eddb0d6
8.0/RPMS/kernel-2.4.18.8.2mdk-pcmcia-cs-1-3mdk.i586.rpm
4aff00e0df570a380be6b8f5c0803a3c
8.0/RPMS/kernel-BOOT-2.4.18.8.2mdk-1-3mdk.i586.rpm
074a3539369e8a3324fd3881b8b7811e 8.0/RPMS/kernel-doc-2.4.18-8.2mdk.i586.rpm
b8a3586edf1003e150848203e676ee2f
8.0/RPMS/kernel-doc-html-2.4.18-8.2mdk.i586.rpm
df5af818d1ee2c765061bd43869d3e5a
8.0/RPMS/kernel-doc-pdf-2.4.18-8.2mdk.i586.rpm
9a33086e43750f0f687f97130f9fa590
8.0/RPMS/kernel-doc-ps-2.4.18-8.2mdk.i586.rpm
76a496110a624afac0ffe2fdaaa89e47
8.0/RPMS/kernel-enterprise-2.4.18.8.2mdk-1-3mdk.i586.rpm
1b827d3e66e19d30629923cf0365a37b
8.0/RPMS/kernel-secure-2.4.18.8.2mdk-1-3mdk.i586.rpm
b958d00f0d3bb37228328a838133f76a
8.0/RPMS/kernel-smp-2.4.18.8.2mdk-1-3mdk.i586.rpm
0092267146ac3a774a77bb85d8c40109
8.0/RPMS/kernel-source-2.4.18-8.2mdk.i586.rpm
0a18529d9bbb8f4f8dd7210f7878cc15 8.0/RPMS/kernel22-2.2.20-9.2mdk.i586.rpm
a47458e6cdc0bc3741714c70f393cb35 8.0/RPMS/kernel22-smp-2.2.20-9.2mdk.i586.rpm
e76c465f909695ddf0221e8100dde47a
8.0/RPMS/kernel22-source-2.2.20-9.2mdk.i586.rpm
795dbae0b1befb5e5ea040c465b94a31 8.0/RPMS/mkinitrd-3.1.6-28.1mdk.i586.rpm
4deb9724b61a696185ae7153d71aad40 8.0/SRPMS/initscripts-5.83-7.1mdk.src.rpm
7ac99ba7e3baf59966a22d3bad5a860a 8.0/SRPMS/iptables-1.2.5-1.1mdk.src.rpm
cbac2540c632f2c03b9b82f187086614
8.0/SRPMS/kernel-2.4.18.8.2mdk-1-3mdk.src.rpm
8b3994c11c9c024744c319ad621a4b13 8.0/SRPMS/kernel22-2.2.20-9.2mdk.src.rpm
441cb1f8eaefc707ad1ba47da5224de7 8.0/SRPMS/mkinitrd-3.1.6-28.1mdk.src.rpm

Mandrake Linux 8.0/ppc:
f6290470bdff3220ecc3ede9ba21b147 ppc/8.0/RPMS/initscripts-5.83-7.1mdk.ppc.rpm
1eed80705d99d242d47f75878822c690 ppc/8.0/RPMS/iptables-1.2.5-1.1mdk.ppc.rpm
7ba74fffc19c7d7587f5d9efcb99357e
ppc/8.0/RPMS/iptables-ipv6-1.2.5-1.1mdk.ppc.rpm
50b3fe21d25c8842819f7dba157c6681
ppc/8.0/RPMS/kernel-2.4.18.8.2mdk-1-3mdk.ppc.rpm
aae89320d2d41b2caf1e6c7b9ef8d756
ppc/8.0/RPMS/kernel-2.4.18.8.2mdk-pcmcia-cs-1-3mdk.ppc.rpm
cee26bdf384252b87c10baf9f273bdfa
ppc/8.0/RPMS/kernel-doc-2.4.18-8.2mdk.ppc.rpm
8f2417c851137bfe3ffb89e328709cac
ppc/8.0/RPMS/kernel-doc-html-2.4.18-8.2mdk.ppc.rpm
542e188fb022174c9fb3bfb7fac263c8
ppc/8.0/RPMS/kernel-doc-pdf-2.4.18-8.2mdk.ppc.rpm
6a2bf33e2e1448c1fa711dfcaaaec59f
ppc/8.0/RPMS/kernel-doc-ps-2.4.18-8.2mdk.ppc.rpm
b905355774f5449e1e9ccd33ee4bda4d
ppc/8.0/RPMS/kernel-enterprise-2.4.18.8.2mdk-1-3mdk.ppc.rpm
f116d2c4fdbca61e387a2f5af4cd9e70
ppc/8.0/RPMS/kernel-smp-2.4.18.8.2mdk-1-3mdk.ppc.rpm
dd070919e6b9a1c6b32dcdc63cdf193c
ppc/8.0/RPMS/kernel-source-2.4.18-8.2mdk.ppc.rpm
8540df4b8fd1410132e55a88b709a388 ppc/8.0/RPMS/kernel22-2.2.20-9.2mdk.ppc.rpm
2ed0bb03780967c0a954f3945e155ff5
ppc/8.0/RPMS/kernel22-smp-2.2.20-9.2mdk.ppc.rpm
9a64bcbcc95395dd17907102c9da44e8
ppc/8.0/RPMS/kernel22-source-2.2.20-9.2mdk.ppc.rpm
b3d983312e9f964ef765e007451131a6 ppc/8.0/RPMS/mkinitrd-3.1.6-28.1mdk.ppc.rpm
4deb9724b61a696185ae7153d71aad40
ppc/8.0/SRPMS/initscripts-5.83-7.1mdk.src.rpm
7ac99ba7e3baf59966a22d3bad5a860a ppc/8.0/SRPMS/iptables-1.2.5-1.1mdk.src.rpm
cbac2540c632f2c03b9b82f187086614
ppc/8.0/SRPMS/kernel-2.4.18.8.2mdk-1-3mdk.src.rpm
8b3994c11c9c024744c319ad621a4b13 ppc/8.0/SRPMS/kernel22-2.2.20-9.2mdk.src.rpm
441cb1f8eaefc707ad1ba47da5224de7 ppc/8.0/SRPMS/mkinitrd-3.1.6-28.1mdk.src.rpm

Mandrake Linux 8.1:
05c5b96aafcf2fd0d4dabbaed8e5bb72 8.1/RPMS/iptables-1.2.5-1.1mdk.i586.rpm
e51e1c114518bf35db324a80b52f6f80 8.1/RPMS/iptables-ipv6-1.2.5-1.1mdk.i586.rpm
ff744515582a1c4aaf086db157c4206f
8.1/RPMS/kernel-2.4.18.8.2mdk-1-3mdk.i586.rpm
134c6b5b65568b932d76c1fabd3deffc
8.1/RPMS/kernel-2.4.18.8.2mdk-pcmcia-cs-1-3mdk.i586.rpm
d13a440bf10b438a3af314b60d7a865c 8.1/RPMS/kernel-doc-2.4.18-8.2mdk.i586.rpm
309676e8e0d8df03d05ca7d5ec8619ec
8.1/RPMS/kernel-doc-html-2.4.18-8.2mdk.i586.rpm
5f51054a2e39beab7bb8e04992f65458
8.1/RPMS/kernel-doc-pdf-2.4.18-8.2mdk.i586.rpm
c6a78308ecd332a7e7134e41761a35ba
8.1/RPMS/kernel-doc-ps-2.4.18-8.2mdk.i586.rpm
81886f368c2d1b7fc7fe1b1494bd55eb
8.1/RPMS/kernel-enterprise-2.4.18.8.2mdk-1-3mdk.i586.rpm
65a86c68e312349b7525f15eba9648d2
8.1/RPMS/kernel-secure-2.4.18.8.2mdk-1-3mdk.i586.rpm
cf0f8237835f21ee9ff611966094296e
8.1/RPMS/kernel-smp-2.4.18.8.2mdk-1-3mdk.i586.rpm
bd8ba58d623f1467a41f764e20378dc3
8.1/RPMS/kernel-source-2.4.18-8.2mdk.i586.rpm
54dbc921dfd376e073f2fa4cbdd99f43 8.1/RPMS/kernel22-2.2.20-9.2mdk.i586.rpm
0a1abeec31a25fe2120d9968c8ef0d90 8.1/RPMS/kernel22-smp-2.2.20-9.2mdk.i586.rpm
f0e89d7e072078d2435d6957908ef1f5
8.1/RPMS/kernel22-source-2.2.20-9.2mdk.i586.rpm
10f7e9c656fb926439addbb1705aa77a 8.1/RPMS/mkinitrd-3.1.6-28.1mdk.i586.rpm
7ac99ba7e3baf59966a22d3bad5a860a 8.1/SRPMS/iptables-1.2.5-1.1mdk.src.rpm
cbac2540c632f2c03b9b82f187086614
8.1/SRPMS/kernel-2.4.18.8.2mdk-1-3mdk.src.rpm
8b3994c11c9c024744c319ad621a4b13 8.1/SRPMS/kernel22-2.2.20-9.2mdk.src.rpm
441cb1f8eaefc707ad1ba47da5224de7 8.1/SRPMS/mkinitrd-3.1.6-28.1mdk.src.rpm

Mandrake Linux 8.2:
a784430846ca56b52151b64f74744528 8.2/RPMS/devfsd-1.3.25-1.1mdk.i586.rpm
32969698f7badf0c3bc7fa3e4f278977
8.2/RPMS/kernel-2.4.18.8.1mdk-1-3mdk.i586.rpm
8780d75e33c52ddc0fee1c84fcab35b3
8.2/RPMS/kernel-BOOT-2.4.18.8.1mdk-1-3mdk.i586.rpm
09998125ec43033ec81857713a0c8426 8.2/RPMS/kernel-doc-2.4.18-8.1mdk.i586.rpm
885b857618b0aa899b6d0a4fe6f0b111
8.2/RPMS/kernel-doc-html-2.4.18-8.1mdk.i586.rpm
4129c6390bf04f90e910904748dc53ea
8.2/RPMS/kernel-doc-pdf-2.4.18-8.1mdk.i586.rpm
a7a833d162893b3afe5e082a9bcbffe5
8.2/RPMS/kernel-doc-ps-2.4.18-8.1mdk.i586.rpm
a1ba4d745bf80add95b73006634fcbc6
8.2/RPMS/kernel-enterprise-2.4.18.8.1mdk-1-3mdk.i586.rpm
cf7a7343bff1a12796d68fe7b12c5403
8.2/RPMS/kernel-secure-2.4.18.8.1mdk-1-3mdk.i586.rpm
215e844621ba72e68b73756d1fad4ff3
8.2/RPMS/kernel-smp-2.4.18.8.1mdk-1-3mdk.i586.rpm
b40235a56e88bef36e827fd3baec374c
8.2/RPMS/kernel-source-2.4.18-8.1mdk.i586.rpm
d19ee6183a1fad278df1990b8c23e9bb 8.2/RPMS/kernel22-2.2.20-9.1mdk.i586.rpm
5bd5d0df44876a9252869ce39a63a675 8.2/RPMS/kernel22-smp-2.2.20-9.1mdk.i586.rpm
6f34d89907d78997c2cd55a31ed4e86e
8.2/RPMS/kernel22-source-2.2.20-9.1mdk.i586.rpm
6abfb4e1be1194616f267eb624065491 8.2/SRPMS/devfsd-1.3.25-1.1mdk.src.rpm
883ac7630080a1120323adabf2f80113
8.2/SRPMS/kernel-2.4.18.8.1mdk-1-3mdk.src.rpm
5583ac07de85a815e9947304c32fa1c1 8.2/SRPMS/kernel22-2.2.20-9.1mdk.src.rpm

Mandrake Linux 8.2/ppc:
3e845487107a567eef546362d274acc4
ppc/8.2/RPMS/kernel-2.4.18.8.1mdk-1-3mdk.ppc.rpm
5c5d749e10f85c2759e4726f1bef988b
ppc/8.2/RPMS/kernel-doc-2.4.18-8.1mdk.ppc.rpm
f30e3ae0f42e9ac4936f8e4aaf3c7255
ppc/8.2/RPMS/kernel-doc-html-2.4.18-8.1mdk.ppc.rpm
abc3f86f3c264bf4e329bba78a7f0b35
ppc/8.2/RPMS/kernel-doc-pdf-2.4.18-8.1mdk.ppc.rpm
09c27bae3001380592e5a30b64b3a7b3
ppc/8.2/RPMS/kernel-doc-ps-2.4.18-8.1mdk.ppc.rpm
86f8dccb5db21ba9161e23a65a580186
ppc/8.2/RPMS/kernel-enterprise-2.4.18.8.1mdk-1-3mdk.ppc.rpm
ec7f88601b5d1de1d56b6e52c7f75b8b
ppc/8.2/RPMS/kernel-smp-2.4.18.8.1mdk-1-3mdk.ppc.rpm
4c57b54857d78250c12b0c4f886bbc8b
ppc/8.2/RPMS/kernel-source-2.4.18-8.1mdk.ppc.rpm
2ba95aa5905599843be289616f57610f ppc/8.2/RPMS/kernel22-2.2.20-9.1mdk.ppc.rpm
85b9d2407847420d73fe3b5220c575b3
ppc/8.2/RPMS/kernel22-smp-2.2.20-9.1mdk.ppc.rpm
38f6a6bed062f20afadf6fd485633b29
ppc/8.2/RPMS/kernel22-source-2.2.20-9.1mdk.ppc.rpm
883ac7630080a1120323adabf2f80113
ppc/8.2/SRPMS/kernel-2.4.18.8.1mdk-1-3mdk.src.rpm
5583ac07de85a815e9947304c32fa1c1 ppc/8.2/SRPMS/kernel22-2.2.20-9.1mdk.src.rpm

Corporate Server 1.0.1:
89a74479d4a0a685f88b5b49dd51b741
1.0.1/RPMS/alsa-2.2.19_0.5.10b-6.4mdk.i586.rpm
1a212b6a82a3d69e89b9c04beba8c378
1.0.1/RPMS/alsa-source-2.2.19_0.5.10b-6.4mdk.i586.rpm
6df92e7ba462cb3d7b18047b800b7b92 1.0.1/RPMS/kernel-2.2.19-6.4mdk.i586.rpm
1b9e5b47ff585c2400db9d4a36369242 1.0.1/RPMS/kernel-doc-2.2.19-6.4mdk.i586.rpm
388da5e5ab45099131ee2be2d1400700
1.0.1/RPMS/kernel-headers-2.2.19-6.4mdk.i586.rpm
a2955bcbf45d9398dde4663dcb082154
1.0.1/RPMS/kernel-pcmcia-cs-2.2.19-6.4mdk.i586.rpm
b12e2f865349de601f3e2504c96ca696
1.0.1/RPMS/kernel-secure-2.2.19-6.4mdk.i586.rpm
5f97b418b9493e1d06bc4850ed2f0d29 1.0.1/RPMS/kernel-smp-2.2.19-6.4mdk.i586.rpm
705081b8274b2975e863057b7dabf785
1.0.1/RPMS/kernel-source-2.2.19-6.4mdk.i586.rpm
b1346849b552e0ea0ed7506f6feb7e71
1.0.1/RPMS/kernel-utils-2.2.19-6.4mdk.i586.rpm
c528ec474457a7a25ded1bf1c2ada7eb
1.0.1/RPMS/reiserfs-utils-2.2.19_3.5.29-6.4mdk.i586.rpm
53ed02aabbbc6b39499e9916722ee3b4 1.0.1/SRPMS/kernel-2.2.19-6.4mdk.src.rpm

Single Network Firewall 7.2:
188d0fbedf71b069cb00d6b43dabece8 snf7.2/RPMS/kernel-2.2.19-6.4mdk.i586.rpm
78e13bab41130b6a1f07831dc9dd89b7
snf7.2/RPMS/kernel-doc-2.2.19-6.4mdk.i586.rpm
37299985c82a109f23ef9243a0297351
snf7.2/RPMS/kernel-headers-2.2.19-6.4mdk.i586.rpm
ab7069405fe8b1bd613621ffb82e89bc
snf7.2/RPMS/kernel-pcmcia-cs-2.2.19-6.4mdk.i586.rpm
a0f63847e48c8947b06459b8a7f83224
snf7.2/RPMS/kernel-secure-2.2.19-6.4mdk.i586.rpm
1fd0b4d6bf8b7a6113eeb0ff85915ac7
snf7.2/RPMS/kernel-smp-2.2.19-6.4mdk.i586.rpm
1732e14ced4ec669a0e939afe024382c
snf7.2/RPMS/kernel-source-2.2.19-6.4mdk.i586.rpm
c70835ae90d4fce0f8111f5d29be1cf3
snf7.2/RPMS/kernel-utils-2.2.19-6.4mdk.i586.rpm
5931d3bda493d937b26a5ad83b0263d6
snf7.2/RPMS/reiserfs-utils-2.2.19_3.5.29-6.4mdk.i586.rpm
53ed02aabbbc6b39499e9916722ee3b4 snf7.2/SRPMS/kernel-2.2.19-6.4mdk.src.rpm
________________________________________________________________________

Bug IDs fixed (see https://qa.mandrakesoft.com for more information):

________________________________________________________________________

To upgrade automatically, use MandrakeUpdate. The verification of md5
checksums and GPG signatures is performed automatically for you.

If you want to upgrade manually, download the updated package from one
of our FTP server mirrors and upgrade with "rpm -Fvh *.rpm". A list of
FTP mirrors can be obtained from:

http://www.mandrakesecure.net/en/ftp.php

Please verify the update prior to upgrading to ensure the integrity of
the downloaded package. You can do this with the command:

rpm --checksig

All packages are signed by MandrakeSoft for security. You can obtain
the GPG public key of the Mandrake Linux Security Team from:

https://www.mandrakesecure.net/RPM-GPG-KEYS

Please be aware that sometimes it takes the mirrors a few hours to
update.

You can view other update advisories for Mandrake Linux at:

http://www.mandrakesecure.net/en/advisories/

MandrakeSoft has several security-related mailing list services that
anyone can subscribe to. Information on these lists can be obtained by
visiting:

http://www.mandrakesecure.net/en/mlist.php

If you want to report vulnerabilities, please contact

[email protected]
________________________________________________________________________

Type Bits/KeyID Date User ID
pub 1024D/22458A98 2000-07-10 Linux Mandrake Security Team


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