Bug 459466
Summary: | kernel: binfmt_misc.c: avoid potential kernel stack overflow [rhel-4.8] | ||
---|---|---|---|
Product: | Red Hat Enterprise Linux 4 | Reporter: | Eugene Teo (Security Response) <eteo> |
Component: | kernel | Assignee: | Vitaly Mayatskikh <vmayatsk> |
Status: | CLOSED ERRATA | QA Contact: | Mike Gahagan <mgahagan> |
Severity: | medium | Docs Contact: | |
Priority: | medium | ||
Version: | 4.8 | CC: | dhoward, jtluka, lwang, vgoyal, vmayatsk |
Target Milestone: | rc | ||
Target Release: | --- | ||
Hardware: | All | ||
OS: | Linux | ||
Whiteboard: | |||
Fixed In Version: | Doc Type: | Bug Fix | |
Doc Text: | Story Points: | --- | |
Clone Of: | Environment: | ||
Last Closed: | 2011-02-16 16:03:15 UTC | Type: | --- |
Regression: | --- | Mount Type: | --- |
Documentation: | --- | CRM: | |
Verified Versions: | Category: | --- | |
oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
Cloudforms Team: | --- | Target Upstream Version: | |
Embargoed: | |||
Bug Depends On: | 459462 | ||
Bug Blocks: | 459467, 461304 |
Description
Eugene Teo (Security Response)
2008-08-19 07:32:05 UTC
Steps to Reproduce: 1. as root user, run echo ":text:E::txt::/cat.txt:" > /proc/sys/fs/binfmt_misc/register; touch /cat.txt; chmod +x /cat.txt 2) as normal user, run /cat.txt (In reply to comment #2) > (In reply to comment #1) > > Proposed upstream patch: > > http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=3a2e7f47d71e1df86acc1dda6826890b6546a4e1 > > Note that there is a regression. See http://lkml.org/lkml/2008/8/18/544. The > patch is not in upstream yet AFAIK. This is ff9bc512f198eb47204f55b24c6fe3d36ed89592 Updating PM score. This request was evaluated by Red Hat Product Management for inclusion in a Red Hat Enterprise Linux maintenance release. Product Management has requested further review of this request by Red Hat Engineering, for potential inclusion in a Red Hat Enterprise Linux Update release for currently deployed products. This request is not yet committed for inclusion in an Update release. This request was evaluated by Red Hat Product Management for inclusion in a Red Hat Enterprise Linux maintenance release. Product Management has requested further review of this request by Red Hat Engineering, for potential inclusion in a Red Hat Enterprise Linux Update release for currently deployed products. This request is not yet committed for inclusion in an Update release. Committed in 89.43.EL . RPMS are available at http://people.redhat.com/vgoyal/rhel4/ confirmed this bug is fixed on the -94.EL kernel. An advisory has been issued which should help the problem described in this bug report. This report is therefore being closed with a resolution of ERRATA. For more information on therefore solution and/or where to find the updated files, please follow the link below. You may reopen this bug report if the solution does not work for you. http://rhn.redhat.com/errata/RHSA-2011-0263.html |