CVE-2007-5498
First published: Wed Nov 07 2007(Updated: )
Description of problem: The blkif_get_x86_32_req() and blkif_get_x86_64_req() functions don't sanity-check the req->nr_segments value. The functions are part of the 32-on-64 support. They translate block I/O request structs from 32bit ABI to 64bit ABI and visa versa. They are used in case 32bit paravirtualized guests (or 32bit hvm guests with pv-on-hvm drivers installed) are running on a 64bit host. Version-Release number of selected component (if applicable): RHEL 5.1 kernel.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | =2.6.18 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=369531
- http://www.redhat.com/support/errata/RHSA-2008-0233.html
- http://www.securityfocus.com/bid/29082
- http://secunia.com/advisories/30116
- http://www.ubuntu.com/usn/usn-679-1
- http://secunia.com/advisories/32918
- https://exchange.xforce.ibmcloud.com/vulnerabilities/42274
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9452
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=250031&action=diff
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=250031&action=edit
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=250281&action=diff
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=250281&action=edit
- http://xenbits.xensource.com/linux-2.6.18-xen.hg?diff/cf8b6cafa2f0/include/xen/blkif.h
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