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@@ -0,0 +1,59 @@
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+From cfe13b7a217075ae741c018da50cd600e5330de2 Mon Sep 17 00:00:00 2001
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+From: Miklos Szeredi <[email protected]>
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+Date: Fri, 22 May 2015 10:58:43 +0200
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+Subject: [PATCH] libfuse: fix exec environment for mount and umount
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+
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+Found by Tavis Ormandy (CVE-2015-3202).
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+---
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+--- a/lib/mount_util.c
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++++ b/lib/mount_util.c
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+@@ -95,10 +95,12 @@ static int add_mount(const char *prognam
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+ goto out_restore;
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+ }
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+ if (res == 0) {
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++ char *env = NULL;
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++
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+ sigprocmask(SIG_SETMASK, &oldmask, NULL);
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+ setuid(geteuid());
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+- execl("/bin/mount", "/bin/mount", "--no-canonicalize", "-i",
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+- "-f", "-t", type, "-o", opts, fsname, mnt, NULL);
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++ execle("/bin/mount", "/bin/mount", "--no-canonicalize", "-i",
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++ "-f", "-t", type, "-o", opts, fsname, mnt, NULL, &env);
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+ fprintf(stderr, "%s: failed to execute /bin/mount: %s\n",
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+ progname, strerror(errno));
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+ exit(1);
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+@@ -146,10 +148,17 @@ static int exec_umount(const char *progn
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+ goto out_restore;
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+ }
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+ if (res == 0) {
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++ char *env = NULL;
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++
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+ sigprocmask(SIG_SETMASK, &oldmask, NULL);
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+ setuid(geteuid());
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+- execl("/bin/umount", "/bin/umount", "-i", rel_mnt,
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+- lazy ? "-l" : NULL, NULL);
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++ if (lazy) {
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++ execle("/bin/umount", "/bin/umount", "-i", rel_mnt,
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++ "-l", NULL, &env);
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++ } else {
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++ execle("/bin/umount", "/bin/umount", "-i", rel_mnt,
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++ NULL, &env);
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++ }
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+ fprintf(stderr, "%s: failed to execute /bin/umount: %s\n",
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+ progname, strerror(errno));
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+ exit(1);
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+@@ -205,10 +214,12 @@ static int remove_mount(const char *prog
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+ goto out_restore;
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+ }
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+ if (res == 0) {
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++ char *env = NULL;
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++
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+ sigprocmask(SIG_SETMASK, &oldmask, NULL);
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+ setuid(geteuid());
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+- execl("/bin/umount", "/bin/umount", "--no-canonicalize", "-i",
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+- "--fake", mnt, NULL);
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++ execle("/bin/umount", "/bin/umount", "--no-canonicalize", "-i",
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++ "--fake", mnt, NULL, &env);
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+ fprintf(stderr, "%s: failed to execute /bin/umount: %s\n",
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+ progname, strerror(errno));
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+ exit(1);
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