Note: This bug is displayed in read-only format because
the product is no longer active in Red Hat Bugzilla.
RHEL Engineering is moving the tracking of its product development work on RHEL 6 through RHEL 9 to Red Hat Jira (issues.redhat.com). If you're a Red Hat customer, please continue to file support cases via the Red Hat customer portal. If you're not, please head to the "RHEL project" in Red Hat Jira and file new tickets here. Individual Bugzilla bugs in the statuses "NEW", "ASSIGNED", and "POST" are being migrated throughout September 2023. Bugs of Red Hat partners with an assigned Engineering Partner Manager (EPM) are migrated in late September as per pre-agreed dates. Bugs against components "kernel", "kernel-rt", and "kpatch" are only migrated if still in "NEW" or "ASSIGNED". If you cannot log in to RH Jira, please consult article #7032570. That failing, please send an e-mail to the RH Jira admins at rh-issues@redhat.com to troubleshoot your issue as a user management inquiry. The email creates a ServiceNow ticket with Red Hat. Individual Bugzilla bugs that are migrated will be moved to status "CLOSED", resolution "MIGRATED", and set with "MigratedToJIRA" in "Keywords". The link to the successor Jira issue will be found under "Links", have a little "two-footprint" icon next to it, and direct you to the "RHEL project" in Red Hat Jira (issue links are of type "https://issues.redhat.com/browse/RHEL-XXXX", where "X" is a digit). This same link will be available in a blue banner at the top of the page informing you that that bug has been migrated.
All FILE*-based operations are now hardened against malicious attacks that attempt to manipulate function control flow by writing to the underlying FILE* memory. If a manipulation of the FILE* memory is detected the process is terminated.
The upstream commit is:
commit db3476aff19b75c4fdefbe65fcd5f0a90588ba51
Author: Florian Weimer <fweimer>
Date: Thu Jun 23 20:01:40 2016 +0200
libio: Implement vtable verification [BZ #20191]
This was released with Fedora 25, which should give us sufficient testing coverage in the real world.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHSA-2018:0805
The upstream commit is: commit db3476aff19b75c4fdefbe65fcd5f0a90588ba51 Author: Florian Weimer <fweimer> Date: Thu Jun 23 20:01:40 2016 +0200 libio: Implement vtable verification [BZ #20191] This was released with Fedora 25, which should give us sufficient testing coverage in the real world.