CVE-2011-2942: Null Pointer Dereference
First published: Tue Aug 16 2011(Updated: )
A certain Red Hat patch to the __br_deliver function in net/bridge/br_forward.c in the Linux kernel 2.6.18 on Red Hat Enterprise Linux (RHEL) 5 allows remote attackers to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by leveraging connectivity to a network interface that uses an Ethernet bridge device.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Redhat Enterprise Linux | =5 | |
| Linux Linux kernel | =2.6.18 | |
| debian/linux-2.6 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=730917
- http://www.openwall.com/lists/oss-security/2011/10/24/3
- https://launchpad.net/bugs/cve/CVE-2011-2942
- https://rhn.redhat.com/errata/RHSA-2011-1386.html
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=748679
- https://rhn.redhat.com/errata/RHSA-2011-1408.html
- https://security-tracker.debian.org/tracker/CVE-2011-2942
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-2942
- https://nvd.nist.gov/vuln/detail/CVE-2011-2942
- https://ubuntu.com/security/CVE-2011-2942
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