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Message-ID: <20050401081440.GA15626@box79162.elkhouse.de>
Date: Fri, 1 Apr 2005 10:14:40 +0200
From: Martin Pitt <martin.pitt@...onical.com>
To: ubuntu-security-announce@...ts.ubuntu.com
Cc: full-disclosure@...ts.grok.org.uk, bugtraq@...urityfocus.com
Subject: [USN-103-1] Linux kernel vulnerabilities
===========================================================
Ubuntu Security Notice USN-103-1 April 01, 2005
linux-source-2.6.8.1 vulnerabilities
CAN-2005-0400, CAN-2005-0749, CAN-2005-0750, CAN-2005-0815,
CAN-2005-0839
===========================================================
A security issue affects the following Ubuntu releases:
Ubuntu 4.10 (Warty Warthog)
The following packages are affected:
linux-image-2.6.8.1-5-386
linux-image-2.6.8.1-5-686
linux-image-2.6.8.1-5-686-smp
linux-image-2.6.8.1-5-amd64-generic
linux-image-2.6.8.1-5-amd64-k8
linux-image-2.6.8.1-5-amd64-k8-smp
linux-image-2.6.8.1-5-amd64-xeon
linux-image-2.6.8.1-5-k7
linux-image-2.6.8.1-5-k7-smp
linux-image-2.6.8.1-5-power3
linux-image-2.6.8.1-5-power3-smp
linux-image-2.6.8.1-5-power4
linux-image-2.6.8.1-5-power4-smp
linux-image-2.6.8.1-5-powerpc
linux-image-2.6.8.1-5-powerpc-smp
linux-patch-debian-2.6.8.1
The problem can be corrected by upgrading the affected package to
version 2.6.8.1-16.13. You need to reboot the computer after doing a
standard system upgrade to effect the necessary changes.
Details follow:
Mathieu Lafon discovered an information leak in the ext2 file system
driver. When a new directory was created, the ext2 block written to
disk was not initialized, so that previous memory contents (which
could contain sensitive data like passwords) became visible on the raw
device. This is particularly important if the target device is
removable and thus can be read by users other than root.
(CAN-2005-0400)
Yichen Xie discovered a Denial of Service vulnerability in the ELF
loader. A specially crafted ELF library or executable could cause an
attempt to free an invalid pointer, which lead to a kernel crash.
(CAN-2005-0749)
Ilja van Sprundel discovered that the bluez_sock_create() function did
not check its "protocol" argument for negative values. A local
attacker could exploit this to execute arbitrary code with root
privileges by creating a Bluetooth socket with a specially crafted
protocol number. (CAN-2005-0750)
Michal Zalewski discovered that the iso9660 file system driver fails
to check ranges properly in several cases. Mounting a specially
crafted CD-ROM may have caused a buffer overflow leading to a kernel
crash or even arbitrary code execution. (CAN-2005-0815)
Previous kernels did not restrict the use of the N_MOUSE line
discipline in the serial driver. This allowed an unprivileged user to
inject mouse movement and/or keystrokes (using the sunkbd driver) into
the input subsystem, taking over the console or an X session, where
another user is logged in. (CAN-2005-0839)
A Denial of Service vulnerability was found in the tmpfs driver, which
is commonly used to mount RAM disks below /dev/shm and /tmp. The
shm_nopage() did not properly verify its address argument, which could
be exploited by a local user to cause a kernel crash with invalid
addresses.
(http://linux.bkbits.net:8080/linux-2.6/cset@...551fbRlv9-QG6Gw9Lw_bKVfPSsg)
Source archives:
http://security.ubuntu.com/ubuntu/pool/main/l/linux-source-2.6.8.1/linux-source-2.6.8.1_2.6.8.1-16.13.diff.gz
Size/MD5: 3141166 21bb3cb0cb3411b0fc6ed4b193cc5ade
http://security.ubuntu.com/ubuntu/pool/main/l/linux-source-2.6.8.1/linux-source-2.6.8.1_2.6.8.1-16.13.dsc
Size/MD5: 2121 c8109995552dbdf33155366c8b6ca574
http://security.ubuntu.com/ubuntu/pool/main/l/linux-source-2.6.8.1/linux-source-2.6.8.1_2.6.8.1.orig.tar.gz
Size/MD5: 44728688 79730a3ad4773ba65fab65515369df84
Architecture independent packages:
http://security.ubuntu.com/ubuntu/pool/main/l/linux-source-2.6.8.1/linux-doc-2.6.8.1_2.6.8.1-16.13_all.deb
Size/MD5: 6156316 ced249a61a235b9954d1ae968e2cb7ca
http://security.ubuntu.com/ubuntu/pool/main/l/linux-source-2.6.8.1/linux-patch-debian-2.6.8.1_2.6.8.1-16.13_all.deb
Size/MD5: 1496926 406d8a710e1d9f95b0c8448962e3f4b7
http://security.ubuntu.com/ubuntu/pool/main/l/linux-source-2.6.8.1/linux-source-2.6.8.1_2.6.8.1-16.13_all.deb
Size/MD5: 36719760 2b56398fcfbc1d6d757a968a552820d5
http://security.ubuntu.com/ubuntu/pool/main/l/linux-source-2.6.8.1/linux-tree-2.6.8.1_2.6.8.1-16.13_all.deb
Size/MD5: 308292 5f63ff191ca41e39166de2bd53f8d08c
amd64 architecture (Athlon64, Opteron, EM64T Xeon)
http://security.ubuntu.com/ubuntu/pool/main/l/linux-source-2.6.8.1/linux-headers-2.6.8.1-5-amd64-generic_2.6.8.1-16.13_amd64.deb
Size/MD5: 247868 21ff61252c900e9fb2a548f30c819789
http://security.ubuntu.com/ubuntu/pool/main/l/linux-source-2.6.8.1/linux-headers-2.6.8.1-5-amd64-k8-smp_2.6.8.1-16.13_amd64.deb
Size/MD5: 243858 dfda5b8d4eb53ef56e40dacea6c93379
http://security.ubuntu.com/ubuntu/pool/main/l/linux-source-2.6.8.1/linux-headers-2.6.8.1-5-amd64-k8_2.6.8.1-16.13_amd64.deb
Size/MD5: 247076 21c0419cd1548273b52a141ab145834d
http://security.ubuntu.com/ubuntu/pool/main/l/linux-source-2.6.8.1/linux-headers-2.6.8.1-5-amd64-xeon_2.6.8.1-16.13_amd64.deb
Size/MD5: 242192 011e30a52dda6f020df9c643988102d1
http://security.ubuntu.com/ubuntu/pool/main/l/linux-source-2.6.8.1/linux-headers-2.6.8.1-5_2.6.8.1-16.13_amd64.deb
Size/MD5: 3179188 ba617aee377d068ce18f21ac6c89263c
http://security.ubuntu.com/ubuntu/pool/main/l/linux-source-2.6.8.1/linux-image-2.6.8.1-5-amd64-generic_2.6.8.1-16.13_amd64.deb
Size/MD5: 14353262 1f3ec89ac23adf217960ed38e5d2c717
http://security.ubuntu.com/ubuntu/pool/main/l/linux-source-2.6.8.1/linux-image-2.6.8.1-5-amd64-k8-smp_2.6.8.1-16.13_amd64.deb
Size/MD5: 14829032 51dc56cced68159222749538fbd115b2
http://security.ubuntu.com/ubuntu/pool/main/l/linux-source-2.6.8.1/linux-image-2.6.8.1-5-amd64-k8_2.6.8.1-16.13_amd64.deb
Size/MD5: 14861698 89eb699bc0e6c2424dd5fe9c3eabf811
http://security.ubuntu.com/ubuntu/pool/main/l/linux-source-2.6.8.1/linux-image-2.6.8.1-5-amd64-xeon_2.6.8.1-16.13_amd64.deb
Size/MD5: 14686210 d3b50f9f86afaa8865b30d57d6b0fa1d
i386 architecture (x86 compatible Intel/AMD)
http://security.ubuntu.com/ubuntu/pool/main/l/linux-source-2.6.8.1/linux-headers-2.6.8.1-5-386_2.6.8.1-16.13_i386.deb
Size/MD5: 277290 c3e00f0ff221ec660319606a4d19e9da
http://security.ubuntu.com/ubuntu/pool/main/l/linux-source-2.6.8.1/linux-headers-2.6.8.1-5-686-smp_2.6.8.1-16.13_i386.deb
Size/MD5: 271980 d1cc69e7b158ee25af65f31675943631
http://security.ubuntu.com/ubuntu/pool/main/l/linux-source-2.6.8.1/linux-headers-2.6.8.1-5-686_2.6.8.1-16.13_i386.deb
Size/MD5: 275018 17561ffd0e1448df572350eeba6cdb0d
http://security.ubuntu.com/ubuntu/pool/main/l/linux-source-2.6.8.1/linux-headers-2.6.8.1-5-k7-smp_2.6.8.1-16.13_i386.deb
Size/MD5: 272506 0cd5266261e4a4695c0f4613562c6cc3
http://security.ubuntu.com/ubuntu/pool/main/l/linux-source-2.6.8.1/linux-headers-2.6.8.1-5-k7_2.6.8.1-16.13_i386.deb
Size/MD5: 275150 729e035be50a7315f9b6484a2127755b
http://security.ubuntu.com/ubuntu/pool/main/l/linux-source-2.6.8.1/linux-headers-2.6.8.1-5_2.6.8.1-16.13_i386.deb
Size/MD5: 3219988 f89b979f9ca5aa2be0f24dca74270810
http://security.ubuntu.com/ubuntu/pool/main/l/linux-source-2.6.8.1/linux-image-2.6.8.1-5-386_2.6.8.1-16.13_i386.deb
Size/MD5: 15495380 5b4a074ba11309dd403d300e01ca5d42
http://security.ubuntu.com/ubuntu/pool/main/l/linux-source-2.6.8.1/linux-image-2.6.8.1-5-686-smp_2.6.8.1-16.13_i386.deb
Size/MD5: 16345080 ee2b9c141d287b4606fe6b1d23ed3c76
http://security.ubuntu.com/ubuntu/pool/main/l/linux-source-2.6.8.1/linux-image-2.6.8.1-5-686_2.6.8.1-16.13_i386.deb
Size/MD5: 16513718 1e3cfff372acdfc294063e0a2e8ef485
http://security.ubuntu.com/ubuntu/pool/main/l/linux-source-2.6.8.1/linux-image-2.6.8.1-5-k7-smp_2.6.8.1-16.13_i386.deb
Size/MD5: 16447908 21dfa2d945203fcb5d9d9385ee86c659
http://security.ubuntu.com/ubuntu/pool/main/l/linux-source-2.6.8.1/linux-image-2.6.8.1-5-k7_2.6.8.1-16.13_i386.deb
Size/MD5: 16573202 d7440b858e2b88b56ada1fd9c3aef045
powerpc architecture (Apple Macintosh G3/G4/G5)
http://security.ubuntu.com/ubuntu/pool/main/l/linux-source-2.6.8.1/linux-headers-2.6.8.1-5-power3-smp_2.6.8.1-16.13_powerpc.deb
Size/MD5: 212896 70301c701acd9e1d0682d664e63479c7
http://security.ubuntu.com/ubuntu/pool/main/l/linux-source-2.6.8.1/linux-headers-2.6.8.1-5-power3_2.6.8.1-16.13_powerpc.deb
Size/MD5: 213610 3de6832705d851b4762a677ae7efcfe3
http://security.ubuntu.com/ubuntu/pool/main/l/linux-source-2.6.8.1/linux-headers-2.6.8.1-5-power4-smp_2.6.8.1-16.13_powerpc.deb
Size/MD5: 212694 79dcc690556561c7f6b2835cadaefc65
http://security.ubuntu.com/ubuntu/pool/main/l/linux-source-2.6.8.1/linux-headers-2.6.8.1-5-power4_2.6.8.1-16.13_powerpc.deb
Size/MD5: 213368 fccda4ef54e82ef7bc9ee65dd91ad9f2
http://security.ubuntu.com/ubuntu/pool/main/l/linux-source-2.6.8.1/linux-headers-2.6.8.1-5-powerpc-smp_2.6.8.1-16.13_powerpc.deb
Size/MD5: 213274 cb5c15759fdc1c3d67dea083fa715425
http://security.ubuntu.com/ubuntu/pool/main/l/linux-source-2.6.8.1/linux-headers-2.6.8.1-5-powerpc_2.6.8.1-16.13_powerpc.deb
Size/MD5: 214772 738757d77bb43291937bbb8fa8e5279b
http://security.ubuntu.com/ubuntu/pool/main/l/linux-source-2.6.8.1/linux-headers-2.6.8.1-5_2.6.8.1-16.13_powerpc.deb
Size/MD5: 3297198 c449b6f307be309b4b34096067854afd
http://security.ubuntu.com/ubuntu/pool/main/l/linux-source-2.6.8.1/linux-image-2.6.8.1-5-power3-smp_2.6.8.1-16.13_powerpc.deb
Size/MD5: 16367564 e989eb486e57f3fdf01ba02f9aed6e5d
http://security.ubuntu.com/ubuntu/pool/main/l/linux-source-2.6.8.1/linux-image-2.6.8.1-5-power3_2.6.8.1-16.13_powerpc.deb
Size/MD5: 15942266 a3c8ed4b84d39219124c4ea70caef211
http://security.ubuntu.com/ubuntu/pool/main/l/linux-source-2.6.8.1/linux-image-2.6.8.1-5-power4-smp_2.6.8.1-16.13_powerpc.deb
Size/MD5: 16354794 6c528b50c53088c14353845e609bc868
http://security.ubuntu.com/ubuntu/pool/main/l/linux-source-2.6.8.1/linux-image-2.6.8.1-5-power4_2.6.8.1-16.13_powerpc.deb
Size/MD5: 15926402 2210381c424e430a48e2579226ae9fca
http://security.ubuntu.com/ubuntu/pool/main/l/linux-source-2.6.8.1/linux-image-2.6.8.1-5-powerpc-smp_2.6.8.1-16.13_powerpc.deb
Size/MD5: 16289246 4fd1a22f145d0abdc84e8926dfa42df8
http://security.ubuntu.com/ubuntu/pool/main/l/linux-source-2.6.8.1/linux-image-2.6.8.1-5-powerpc_2.6.8.1-16.13_powerpc.deb
Size/MD5: 15975494 3424a2f8dc666e9520c5abc929b08e62
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