CVE-2013-0190: Input Validation
First published: Wed Jan 16 2013(Updated: )
A flaw was found in the way xen_failsafe_callback() handled failed iret, which causes the stack pointer to be wrong when entering the iret_exc error path. An unprivileged local guest user in the 32-bit PV Xen domain could use this flaw to crash the guest. References: <a href="http://www.openwall.com/lists/oss-security/2013/01/16/6">http://www.openwall.com/lists/oss-security/2013/01/16/6</a> Acknowledgements: Red Hat would like to thank the Andrew Cooper of Citrix for reporting this issue.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | <=2.6.23 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.112-1 6.11.7-1 6.11.9-1 |
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Reference Links
- http://rhn.redhat.com/errata/RHSA-2013-0496.html
- http://www.openwall.com/lists/oss-security/2013/01/16/6
- http://www.openwall.com/lists/oss-security/2013/01/16/8
- http://www.securityfocus.com/bid/57433
- http://www.ubuntu.com/usn/USN-1725-1
- http://www.ubuntu.com/usn/USN-1728-1
- https://bugzilla.redhat.com/show_bug.cgi?id=896038
- https://launchpad.net/bugs/cve/CVE-2013-0190
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=679616&action=diff
- https://bugzilla.redhat.com/show_bug.cgi/attachment.cgi?id=679616&action=edit
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=896051
- https://brewweb.devel.redhat.com/taskinfo?taskID=5278913
- https://rhn.redhat.com/errata/RHSA-2013-0496.html
- https://security-tracker.debian.org/tracker/CVE-2013-0190
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-0190
- https://nvd.nist.gov/vuln/detail/CVE-2013-0190
- https://ubuntu.com/security/CVE-2013-0190
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