linux v3.14.23
This commit is contained in:
Justin M. Forbes
parent
3e20b48b94
commit
6d0dec9922
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@ -1,31 +0,0 @@
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From: Andy Lutomirski <luto@amacapital.net>
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Date: Wed, 8 Oct 2014 12:37:46 -0700
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Subject: [PATCH] fs: Add a missing permission check to do_umount
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Accessing do_remount_sb should require global CAP_SYS_ADMIN, but
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only one of the two call sites was appropriately protected.
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Fixes CVE-2014-7975.
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Cc: stable@vger.kernel.org
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Signed-off-by: Andy Lutomirski <luto@amacapital.net>
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---
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fs/namespace.c | 2 ++
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1 file changed, 2 insertions(+)
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diff --git a/fs/namespace.c b/fs/namespace.c
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index c8e3034ff4b2..fbba8b17330d 100644
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--- a/fs/namespace.c
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+++ b/fs/namespace.c
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@@ -1439,6 +1439,8 @@ static int do_umount(struct mount *mnt, int flags)
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* Special case for "unmounting" root ...
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* we just try to remount it readonly.
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*/
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+ if (!capable(CAP_SYS_ADMIN))
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+ return -EPERM;
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down_write(&sb->s_umount);
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if (!(sb->s_flags & MS_RDONLY))
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retval = do_remount_sb(sb, MS_RDONLY, NULL, 0);
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--
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1.9.3
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13
kernel.spec
13
kernel.spec
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@ -62,7 +62,7 @@ Summary: The Linux kernel
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# For non-released -rc kernels, this will be appended after the rcX and
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# gitX tags, so a 3 here would become part of release "0.rcX.gitX.3"
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#
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%global baserelease 102
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%global baserelease 100
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%global fedora_build %{baserelease}
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# base_sublevel is the kernel version we're starting with and patching
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@ -74,7 +74,7 @@ Summary: The Linux kernel
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%if 0%{?released_kernel}
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# Do we have a -stable update to apply?
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%define stable_update 22
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%define stable_update 23
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# Is it a -stable RC?
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%define stable_rc 0
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# Set rpm version accordingly
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@ -756,9 +756,6 @@ Patch25111: 0002-ideapad-laptop-Change-Lenovo-Yoga-2-series-rfkill-ha.patch
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#CVE-2014-7970 rhbz 1151095 1151484
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Patch26032: mnt-Prevent-pivot_root-from-creating-a-loop-in-the-m.patch
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#CVE-2014-7975 rhbz 1151108 1152025
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Patch26042: fs-Add-a-missing-permission-check-to-do_umount.patch
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# CVE-2014-3690 rhbz 1153322 1155372
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Patch26060: x86-kvm-vmx-Preserve-CR4-across-VM-entry.patch
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@ -1483,9 +1480,6 @@ ApplyPatch 0002-ideapad-laptop-Change-Lenovo-Yoga-2-series-rfkill-ha.patch
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#CVE-2014-7970 rhbz 1151095 1151484
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ApplyPatch mnt-Prevent-pivot_root-from-creating-a-loop-in-the-m.patch
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#CVE-2014-7975 rhbz 1151108 1152025
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ApplyPatch fs-Add-a-missing-permission-check-to-do_umount.patch
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# CVE-2014-3690 rhbz 1153322 1155372
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ApplyPatch x86-kvm-vmx-Preserve-CR4-across-VM-entry.patch
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@ -2324,6 +2318,9 @@ fi
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# and build.
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%changelog
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* Thu Oct 30 2014 Justin M. Forbes <jforbes@fedoraproject.org> - 3.14.23-100
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- Linux v3.14.23
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* Fri Oct 24 2014 Josh Boyer <jwboyer@fedoraproject.org>
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- CVE-2014-3610 kvm: noncanonical MSR writes (rhbz 1144883 1156543)
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- CVE-2014-3611 kvm: PIT timer race condition (rhbz 1144878 1156537)
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