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From 6e601a53566d84e1ffd25e7b6fe0b6894ffd79c0 Mon Sep 17 00:00:00 2001
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From: Mathias Krause <minipli@googlemail.com>
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Date: Sat, 23 Feb 2013 01:13:47 +0000
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Subject: [PATCH] sock_diag: Fix out-of-bounds access to sock_diag_handlers[]
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Userland can send a netlink message requesting SOCK_DIAG_BY_FAMILY
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with a family greater or equal then AF_MAX -- the array size of
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sock_diag_handlers[]. The current code does not test for this
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condition therefore is vulnerable to an out-of-bound access opening
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doors for a privilege escalation.
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Signed-off-by: Mathias Krause <minipli@googlemail.com>
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Acked-by: Eric Dumazet <edumazet@google.com>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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net/core/sock_diag.c | 3 +++
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1 files changed, 3 insertions(+), 0 deletions(-)
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diff --git a/net/core/sock_diag.c b/net/core/sock_diag.c
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index 602cd63..750f44f 100644
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--- a/net/core/sock_diag.c
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+++ b/net/core/sock_diag.c
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@@ -121,6 +121,9 @@ static int __sock_diag_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
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if (nlmsg_len(nlh) < sizeof(*req))
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return -EINVAL;
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+ if (req->sdiag_family >= AF_MAX)
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+ return -EINVAL;
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+
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hndl = sock_diag_lock_handler(req->sdiag_family);
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if (hndl == NULL)
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err = -ENOENT;
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--
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1.7.6.5
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27
PKGBUILD
27
PKGBUILD
@ -4,27 +4,20 @@
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pkgbase=linux # Build stock -ARCH kernel
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pkgbase=linux # Build stock -ARCH kernel
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#pkgbase=linux-custom # Build kernel with a different name
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#pkgbase=linux-custom # Build kernel with a different name
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_srcname=linux-3.8
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_srcname=linux-3.8
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pkgver=3.8
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pkgver=3.8.1
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pkgrel=2
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pkgrel=1
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arch=('i686' 'x86_64')
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arch=('i686' 'x86_64')
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url="http://www.kernel.org/"
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url="http://www.kernel.org/"
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license=('GPL2')
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license=('GPL2')
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makedepends=('xmlto' 'docbook-xsl')
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makedepends=('xmlto' 'docbook-xsl')
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options=('!strip')
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options=('!strip')
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source=("http://www.kernel.org/pub/linux/kernel/v3.x/${_srcname}.tar.xz"
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source=("http://www.kernel.org/pub/linux/kernel/v3.x/${_srcname}.tar.xz"
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#"http://www.kernel.org/pub/linux/kernel/v3.x/patch-${pkgver}.xz"
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"http://www.kernel.org/pub/linux/kernel/v3.x/patch-${pkgver}.xz"
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# the main kernel config files
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# the main kernel config files
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'config' 'config.x86_64'
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'config' 'config.x86_64'
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# standard config files for mkinitcpio ramdisk
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# standard config files for mkinitcpio ramdisk
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'linux.preset'
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'linux.preset'
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'change-default-console-loglevel.patch'
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'change-default-console-loglevel.patch')
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'CVE-2013-1763.patch')
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md5sums=('1c738edfc54e7c65faeb90c436104e2f'
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'9710fb1b1e08eb1fc5214dc2fb34ebcc'
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'03b1dad90f3558dba3031901398c1ca4'
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'eb14dcfd80c00852ef81ded6e826826a'
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'9d3c56a4b999c8bfbd4018089a62f662'
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'420991808fe4cba143013427c0737aa9')
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_kernelname=${pkgbase#linux}
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_kernelname=${pkgbase#linux}
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@ -32,15 +25,11 @@ build() {
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cd "${srcdir}/${_srcname}"
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cd "${srcdir}/${_srcname}"
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# add upstream patch
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# add upstream patch
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# patch -p1 -i "${srcdir}/patch-${pkgver}"
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patch -p1 -i "${srcdir}/patch-${pkgver}"
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# add latest fixes from stable queue, if needed
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# add latest fixes from stable queue, if needed
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# http://git.kernel.org/?p=linux/kernel/git/stable/stable-queue.git
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# http://git.kernel.org/?p=linux/kernel/git/stable/stable-queue.git
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# Fix security vulnetability CVE-2013-1763.patch
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# https://bugs.archlinux.org/task/34005
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patch -Np1 -i "${srcdir}/CVE-2013-1763.patch"
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# set DEFAULT_CONSOLE_LOGLEVEL to 4 (same value as the 'quiet' kernel param)
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# set DEFAULT_CONSOLE_LOGLEVEL to 4 (same value as the 'quiet' kernel param)
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# remove this when a Kconfig knob is made available by upstream
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# remove this when a Kconfig knob is made available by upstream
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# (relevant patch sent upstream: https://lkml.org/lkml/2011/7/26/227)
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# (relevant patch sent upstream: https://lkml.org/lkml/2011/7/26/227)
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@ -320,3 +309,9 @@ for _p in ${pkgname[@]}; do
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done
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done
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# vim:set ts=8 sts=2 sw=2 et:
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# vim:set ts=8 sts=2 sw=2 et:
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md5sums=('1c738edfc54e7c65faeb90c436104e2f'
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'50a68679086c346dddb34dedccfae7ee'
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'307107a8b15060e6fc0e48bdaacaed06'
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'03b1dad90f3558dba3031901398c1ca4'
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'eb14dcfd80c00852ef81ded6e826826a'
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'9d3c56a4b999c8bfbd4018089a62f662')
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@ -1,33 +0,0 @@
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From: Dave Reisner <dreisner@archlinux.org>
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Date: Thu, 29 Nov 2012 03:18:52 +0000 (+1100)
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Subject: fs/fat: strip "cp" prefix from codepage in display
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X-Git-Tag: next-20121130~1^2~97
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X-Git-Url: http://git.kernel.org/?p=linux%2Fkernel%2Fgit%2Fnext%2Flinux-next.git;a=commitdiff_plain;h=f15914873184cc3f2a8d590fa4f7e32ab0a8a405
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fs/fat: strip "cp" prefix from codepage in display
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Option parsing code expects an unsigned integer for the codepage option,
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but prefixes and stores this option with "cp" before passing to
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load_nls(). This makes the displayed option in /proc an invalid one.
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Strip the prefix when printing so that the displayed option is valid for
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reuse.
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Signed-off-by: Dave Reisner <dreisner@archlinux.org>
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Acked-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
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Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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---
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diff --git a/fs/fat/inode.c b/fs/fat/inode.c
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index 3b733a7..3580681 100644
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--- a/fs/fat/inode.c
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+++ b/fs/fat/inode.c
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@@ -726,7 +726,8 @@ static int fat_show_options(struct seq_file *m, struct dentry *root)
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if (opts->allow_utime)
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seq_printf(m, ",allow_utime=%04o", opts->allow_utime);
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if (sbi->nls_disk)
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- seq_printf(m, ",codepage=%s", sbi->nls_disk->charset);
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+ /* strip "cp" prefix from displayed option */
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+ seq_printf(m, ",codepage=%s", &sbi->nls_disk->charset[2]);
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if (isvfat) {
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if (sbi->nls_io)
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seq_printf(m, ",iocharset=%s", sbi->nls_io->charset);
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# arg 2: the old package version
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# arg 2: the old package version
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KERNEL_NAME=
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KERNEL_NAME=
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KERNEL_VERSION=3.8.0-2-ARCH
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KERNEL_VERSION=3.8.1-1-ARCH
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# set a sane PATH to ensure that critical utils like depmod will be found
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# set a sane PATH to ensure that critical utils like depmod will be found
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export PATH='/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin'
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export PATH='/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin'
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