core/glibc/glibc-ignore_origin.patch
Juergen Daubert 53ce63301e [notify] glibc: update to 2.12.2
To avoid an unclean unmount of "/" on next shutdown, reload
the init process after the glibc update. Either run the
included post-install script or use the following command:

  /sbin/telinit U
2010-12-23 20:08:57 +01:00

27 lines
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Diff

# http://sourceware.org/ml/libc-hacker/2010-12/msg00001.html
# new fix for http://seclists.org/fulldisclosure/2010/Oct/257
2010-12-09 Andreas Schwab <schwab@redhat.com>
* elf/dl-object.c (_dl_new_object): Ignore origin of privileged
program.
---
elf/dl-object.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/elf/dl-object.c b/elf/dl-object.c
index 5d15ce1..a34e902 100644
--- a/elf/dl-object.c
+++ b/elf/dl-object.c
@@ -220,6 +220,9 @@ _dl_new_object (char *realname, const char *libname, int type,
out:
new->l_origin = origin;
}
+ else if (INTUSE(__libc_enable_secure) && type == lt_executable)
+ /* The origin of a privileged program cannot be trusted. */
+ new->l_origin = (char *) -1;
return new;
}