Hello community,
here is the log from the commit of package glibc for openSUSE:Factory checked
in at 2018-05-28 08:06:11
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Comparing /work/SRC/openSUSE:Factory/glibc (Old)
and /work/SRC/openSUSE:Factory/.glibc.new (New)
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Package is "glibc"
Mon May 28 08:06:11 2018 rev:223 rq:611653 version:2.27
Changes:
--------
--- /work/SRC/openSUSE:Factory/glibc/glibc.changes 2018-04-04
11:02:08.575163157 +0200
+++ /work/SRC/openSUSE:Factory/.glibc.new/glibc.changes 2018-05-28
08:06:13.621683797 +0200
@@ -1,0 +2,14 @@
+Wed May 23 08:18:00 UTC 2018 - sch...@suse.de
+
+- mempcpy-avx512.patch: Don't write beyond destination in
+ __mempcpy_avx512_no_vzeroupper (CVE-2018-11237, bsc#1094154)
+- realpath-ssize-max-overflow.patch: Fix overflow in path length
+ computation (CVE-2018-11236, bsc#1094161, BZ #22786)
+- Use %license also for COPYING, COPYING.LIB
+
+-------------------------------------------------------------------
+Thu Apr 12 08:12:30 UTC 2018 - sch...@suse.de
+
+- Readd nis to netgroup and automount nss config (bsc#1088860)
+
+-------------------------------------------------------------------
@@ -5 +19 @@
- 2GB boundary (BZ #22644)
+ 2GB boundary (CVE-2017-18269, bnc#1094150, BZ #22644)
New:
----
mempcpy-avx512.patch
realpath-ssize-max-overflow.patch
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Other differences:
------------------
++++++ glibc.spec ++++++
--- /var/tmp/diff_new_pack.oYTe3c/_old 2018-05-28 08:06:20.665424163 +0200
+++ /var/tmp/diff_new_pack.oYTe3c/_new 2018-05-28 08:06:20.665424163 +0200
@@ -302,8 +302,12 @@
Patch1009: riscv-fmax-fmin-nan.patch
# PATCH-FIX-UPSTREAM Fix crash in resolver on memory allocation failure (BZ
#23005)
Patch1010: res-send-enomem.patch
-# PATCH-FIX-UPSTREAM memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (BZ #22644)
+# PATCH-FIX-UPSTREAM memmove-sse2-unaligned on 32bit x86 produces garbage when
crossing 2GB threshold (CVE-2017-18269, BZ #22644)
Patch1011: i386-memmove-sse2-unaligned.patch
+# PATCH-FIX-UPSTREAM __mempcpy_avx512_no_vzeroupper mishandles large copies
(CVE-2018-11237, BZ #23196)
+Patch1012: mempcpy-avx512.patch
+# PATCH-FIX-UPSTREAM realpath-ssize-max-overflow.patch: Fix overflow in path
length computation (CVE-2018-11236, BZ #22786)
+Patch1013: realpath-ssize-max-overflow.patch
###
# Patches awaiting upstream approval
@@ -525,6 +529,8 @@
%patch1009 -p1
%patch1010 -p1
%patch1011 -p1
+%patch1012 -p1
+%patch1013 -p1
%patch2000 -p1
%patch2004 -p1
@@ -1252,7 +1258,8 @@
%files devel
%defattr(-,root,root)
-%doc COPYING COPYING.LIB NEWS README
+%license COPYING COPYING.LIB
+%doc NEWS README
%doc %{_mandir}/man1/catchsegv.1.gz
%doc %{_mandir}/man3/*
%{_bindir}/catchsegv
++++++ mempcpy-avx512.patch ++++++
[BZ #23196]
CVE-2018-11237
* sysdeps/x86_64/multiarch/memmove-avx512-no-vzeroupper.S
(L(preloop_large)): Save initial destination pointer in %r11 and
use it instead of %rax after the loop.
* string/test-mempcpy.c (MIN_PAGE_SIZE): Define.
Index: glibc-2.27/string/test-mempcpy.c
===================================================================
--- glibc-2.27.orig/string/test-mempcpy.c
+++ glibc-2.27/string/test-mempcpy.c
@@ -18,6 +18,7 @@
<http://www.gnu.org/licenses/>. */
#define MEMCPY_RESULT(dst, len) (dst) + (len)
+#define MIN_PAGE_SIZE 131072
#define TEST_MAIN
#define TEST_NAME "mempcpy"
#include "test-string.h"
Index: glibc-2.27/sysdeps/x86_64/multiarch/memmove-avx512-no-vzeroupper.S
===================================================================
--- glibc-2.27.orig/sysdeps/x86_64/multiarch/memmove-avx512-no-vzeroupper.S
+++ glibc-2.27/sysdeps/x86_64/multiarch/memmove-avx512-no-vzeroupper.S
@@ -336,6 +336,7 @@ L(preloop_large):
vmovups (%rsi), %zmm4
vmovups 0x40(%rsi), %zmm5
+ mov %rdi, %r11
/* Align destination for access with non-temporal stores in the loop. */
mov %rdi, %r8
and $-0x80, %rdi
@@ -366,8 +367,8 @@ L(gobble_256bytes_nt_loop):
cmp $256, %rdx
ja L(gobble_256bytes_nt_loop)
sfence
- vmovups %zmm4, (%rax)
- vmovups %zmm5, 0x40(%rax)
+ vmovups %zmm4, (%r11)
+ vmovups %zmm5, 0x40(%r11)
jmp L(check)
L(preloop_large_bkw):
++++++ nsswitch.conf ++++++
--- /var/tmp/diff_new_pack.oYTe3c/_old 2018-05-28 08:06:20.905415317 +0200
+++ /var/tmp/diff_new_pack.oYTe3c/_new 2018-05-28 08:06:20.905415317 +0200
@@ -34,9 +34,9 @@
rpc: files
ethers: files
netmasks: files
-netgroup: files
+netgroup: files nis
publickey: files
bootparams: files
-automount: files
+automount: files nis
aliases: files
++++++ realpath-ssize-max-overflow.patch ++++++
2018-05-09 Paul Pluzhnikov <ppluzhni...@google.com>
[BZ #22786]
* stdlib/canonicalize.c (__realpath): Fix overflow in path length
computation.
* stdlib/Makefile (test-bz22786): New test.
* stdlib/test-bz22786.c: New test.
Index: glibc-2.27/stdlib/Makefile
===================================================================
--- glibc-2.27.orig/stdlib/Makefile
+++ glibc-2.27/stdlib/Makefile
@@ -84,7 +84,7 @@ tests := tst-strtol tst-strtod testmb t
tst-cxa_atexit tst-on_exit test-atexit-race \
test-at_quick_exit-race test-cxa_atexit-race \
test-on_exit-race test-dlclose-exit-race \
- tst-makecontext-align
+ tst-makecontext-align test-bz22786
tests-internal := tst-strtod1i tst-strtod3 tst-strtod4 tst-strtod5i \
tst-tls-atexit tst-tls-atexit-nodelete
Index: glibc-2.27/stdlib/canonicalize.c
===================================================================
--- glibc-2.27.orig/stdlib/canonicalize.c
+++ glibc-2.27/stdlib/canonicalize.c
@@ -181,7 +181,7 @@ __realpath (const char *name, char *reso
extra_buf = __alloca (path_max);
len = strlen (end);
- if ((long int) (n + len) >= path_max)
+ if (path_max - n <= len)
{
__set_errno (ENAMETOOLONG);
goto error;
Index: glibc-2.27/stdlib/test-bz22786.c
===================================================================
--- /dev/null
+++ glibc-2.27/stdlib/test-bz22786.c
@@ -0,0 +1,90 @@
+/* Bug 22786: test for buffer overflow in realpath.
+ Copyright (C) 2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+/* This file must be run from within a directory called "stdlib". */
+
+#include <errno.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <support/test-driver.h>
+#include <libc-diag.h>
+
+static int
+do_test (void)
+{
+ const char dir[] = "bz22786";
+ const char lnk[] = "bz22786/symlink";
+
+ rmdir (dir);
+ if (mkdir (dir, 0755) != 0 && errno != EEXIST)
+ {
+ printf ("mkdir %s: %m\n", dir);
+ return EXIT_FAILURE;
+ }
+ if (symlink (".", lnk) != 0 && errno != EEXIST)
+ {
+ printf ("symlink (%s, %s): %m\n", dir, lnk);
+ return EXIT_FAILURE;
+ }
+
+ const size_t path_len = (size_t) INT_MAX + 1;
+
+ DIAG_PUSH_NEEDS_COMMENT;
+#if __GNUC_PREREQ (7, 0)
+ /* GCC 7 warns about too-large allocations; here we need such
+ allocation to succeed for the test to work. */
+ DIAG_IGNORE_NEEDS_COMMENT (7, "-Walloc-size-larger-than=");
+#endif
+ char *path = malloc (path_len);
+ DIAG_POP_NEEDS_COMMENT;
+
+ if (path == NULL)
+ {
+ printf ("malloc (%zu): %m\n", path_len);
+ return EXIT_UNSUPPORTED;
+ }
+
+ /* Construct very long path = "bz22786/symlink/aaaa....." */
+ char *p = mempcpy (path, lnk, sizeof (lnk) - 1);
+ *(p++) = '/';
+ memset (p, 'a', path_len - (path - p) - 2);
+ p[path_len - (path - p) - 1] = '\0';
+
+ /* This call crashes before the fix for bz22786 on 32-bit platforms. */
+ p = realpath (path, NULL);
+
+ if (p != NULL || errno != ENAMETOOLONG)
+ {
+ printf ("realpath: %s (%m)", p);
+ return EXIT_FAILURE;
+ }
+
+ /* Cleanup. */
+ unlink (lnk);
+ rmdir (dir);
+
+ return 0;
+}
+
+#define TEST_FUNCTION do_test
+#include <support/test-driver.c>
