Bug#319629: marked as done ([CAN-2005-1768]: Race condition in ia32 compatability code for execve causes local DoS)
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and subject line Bug#319629: fixed in kernel-source-2.4.27 2.4.27-11
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From: Micah Anderson <micah@riseup.net>
To: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: [CAN-2005-1768]: Race condition in ia32 compatability code for execve causes
local DoS
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Date: Sat, 23 Jul 2005 10:42:24 -0500
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Package: kernel-source-2.4.27
Version: 2.4.27-10
Severity: normal
Tags: security
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-1768 reads:
Race condition in the ia32 compatibility code for the execve system
call in Linux kernel 2.4 before 2.4.31 and 2.6 before 2.6.6 allows
local users to cause a denial of service (kernel panic) and possibly
execute arbitrary code via a concurrent thread that increments a
pointer count after the nargs function has counted the pointers, but
before the count is copied from user space to kernel space, which
leads to a buffer overflow.
I looked in the pending Changelog for 2.4.27 and did not see this CAN
number listed. Please be sure to reference this CAN number in the
changelog when fixed, as you always do.
Additional reference:
http://marc.theaimsgroup.com/?l=bugtraq&m=112110120216116&w=2
Micah
-- System Information:
Debian Release: testing/unstable
APT prefers testing
APT policy: (990, 'testing'), (300, 'unstable')
Architecture: i386 (i686)
Shell: /bin/sh linked to /bin/bash
Kernel: Linux 2.6.8-2-k7
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Versions of packages kernel-source-2.4.27 depends on:
ii binutils 2.16.1-2 The GNU assembler, linker and bina
ii bzip2 1.0.2-7 high-quality block-sorting file co
ii coreutils [fileutils] 5.2.1-2 The GNU core utilities
ii fileutils 5.2.1-2 The GNU file management utilities
Versions of packages kernel-source-2.4.27 recommends:
ii gcc 4:4.0.0-2 The GNU C compiler
ii libc6-dev [libc-dev] 2.3.2.ds1-22 GNU C Library: Development Librari
ii make 3.80-9 The GNU version of the "make" util
-- no debconf information
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Received: (at 319629-close) by bugs.debian.org; 17 Aug 2005 05:44:03 +0000
>From katie@spohr.debian.org Tue Aug 16 22:44:03 2005
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From: Simon Horman <horms@debian.org>
To: 319629-close@bugs.debian.org
X-Katie: $Revision: 1.56 $
Subject: Bug#319629: fixed in kernel-source-2.4.27 2.4.27-11
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Source: kernel-source-2.4.27
Source-Version: 2.4.27-11
We believe that the bug you reported is fixed in the latest version of
kernel-source-2.4.27, which is due to be installed in the Debian FTP archive:
kernel-doc-2.4.27_2.4.27-11_all.deb
to pool/main/k/kernel-source-2.4.27/kernel-doc-2.4.27_2.4.27-11_all.deb
kernel-patch-debian-2.4.27_2.4.27-11_all.deb
to pool/main/k/kernel-source-2.4.27/kernel-patch-debian-2.4.27_2.4.27-11_all.deb
kernel-source-2.4.27_2.4.27-11.diff.gz
to pool/main/k/kernel-source-2.4.27/kernel-source-2.4.27_2.4.27-11.diff.gz
kernel-source-2.4.27_2.4.27-11.dsc
to pool/main/k/kernel-source-2.4.27/kernel-source-2.4.27_2.4.27-11.dsc
kernel-source-2.4.27_2.4.27-11_all.deb
to pool/main/k/kernel-source-2.4.27/kernel-source-2.4.27_2.4.27-11_all.deb
kernel-tree-2.4.27_2.4.27-11_all.deb
to pool/main/k/kernel-source-2.4.27/kernel-tree-2.4.27_2.4.27-11_all.deb
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to 319629@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Simon Horman <horms@debian.org> (supplier of updated kernel-source-2.4.27 package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@debian.org)
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
Format: 1.7
Date: Tue, 16 Aug 2005 14:33:45 +0900
Source: kernel-source-2.4.27
Binary: kernel-tree-2.4.27 kernel-source-2.4.27 kernel-patch-debian-2.4.27 kernel-doc-2.4.27
Architecture: source all
Version: 2.4.27-11
Distribution: unstable
Urgency: low
Maintainer: Debian Kernel Team <debian-kernel@lists.debian.org>
Changed-By: Simon Horman <horms@debian.org>
Description:
kernel-doc-2.4.27 - Linux kernel specific documentation for version 2.4.27
kernel-patch-debian-2.4.27 - Debian patches to Linux 2.4.27
kernel-source-2.4.27 - Linux kernel source for version 2.4.27 with Debian patches
kernel-tree-2.4.27 - Linux kernel source tree for building Debian kernel images
Closes: 311164 319629 320256 323318
Changes:
kernel-source-2.4.27 (2.4.27-11) unstable; urgency=low
.
[ Simon Horman ]
* 167_arch-ia64-x86_64_execve.diff:
Race condition in the ia32 compatibility code for the execve system call
See CAN-2005-1768. (closes: #319629).
.
* 168_fs_ext3_64bit_offset.diff:
Incorrect offset checks for ext3 xattr on 64 bit architectures
can lead to a local DoS.
See CAN-2005-0757. (closes: #311164).
.
* 169_arch-x86_64-kernel-ptrace-canonical-rip-1.dpatch
[Security, x86_64] This works around an AMD Erratum by
checking if the ptrace RIP is canonical.
See CAN-2005-1762
.
* 169_arch-x86_64-kernel-ptrace-canonical-rip-2.dpatch
[Security, x86_64] Fix canonical checking for segment registers in ptrace
See CAN-2005-0756
.
* Makefile-gcc-3.3.dpatch, control
Build with gcc-3.3, as gcc-4.0, now the dedault in unstable,
fails to build this source. Upstream has stated that they
have no intention making the 2.4 kernel compile with gcc-4
(closes: #320256, #323318)
.
* 171_arch-ia64-x86_64-execve-overflow.diff
[Security, ia64, x86_64] Fix overflow in 32bit execve
See CAN-2005-1768
.
* 172_ppc32-time_offset-misuse.diff
[ppc32] stop misusing ntps time_offset value
.
* 173_tty_ldisc_ref-return-null-check.diff
tty_ldisc_ref return null check
.
* 174_net-ipv4-netfilter-nat-mem.diff
Fix potential memory corruption in NAT code (aka memory NAT)
.
* 175-net-ipv6-netfilter-deadlock.diff
Fix deadlock in ip6_queue
.
* 176_ipsec-array-overflow.diff
[Security] Fix possible overflow of sock->sk_policy
See CAN-2005-2456 (See: #321401)
.
* 177_rocket_c-fix-ldisc-ref-count.diff
Fix ldisc ref count handling in rocketport driver
.
* 178_fs_ext2_ext3_xattr-sharing.diff
[Security] Xattr sharing bug
See http://lists.debian.org/debian-kernel/2005/08/msg00238.html
.
* 179_net-ipv4-netfilter-ip_recent-last_pkts.diff
[Security] Fixes remote DoS when using ipt_recent on a 64 bit machine.
(See: #322237)
.
* 181_arch-x86_64-kernel-stack-faults.diff
[Security, x86_64] Disable exception stack for stack faults
See CAN-2005-1767
.
* 182_linux-zlib-fixes.diff
[Security] Fix security bugs in the Linux zlib implementations.
See CAN-2005-2458, CAN-2005-2459
From 2.6.12.5
http://sources.redhat.com/ml/bug-gnu-utils/1999-06/msg00183.html
http://bugs.gentoo.org/show_bug.cgi?id=94584
.
* zisofs.dpatch
Check input buffer size in zisofs
From 2.6.12.5
Files:
9281af78c1635c2fc173a1b03dae9a3c 888 devel optional kernel-source-2.4.27_2.4.27-11.dsc
c4c5568392fd7a8a8363f6c49302c8fb 698860 devel optional kernel-source-2.4.27_2.4.27-11.diff.gz
44cd21034fa465914b5c6161cbf352f8 649888 devel optional kernel-patch-debian-2.4.27_2.4.27-11_all.deb
2b298cf33cf3b5207a33ca62f482802b 2377560 doc optional kernel-doc-2.4.27_2.4.27-11_all.deb
c8f39c90e1aa1a3349f7780e2ac72159 31031688 devel optional kernel-source-2.4.27_2.4.27-11_all.deb
eddf052c0e395d1091ca6f8d60cb5dd7 24254 devel optional kernel-tree-2.4.27_2.4.27-11_all.deb
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