CVE-2011-4326
First published: Mon Nov 21 2011(Updated: )
A bug was found in the way headroom check was performed in udp6_ufo_fragment() function. A remote attacker could use this flaw to crash the system. Upstream patch: a9cf73ea7ff78f52662c8658d93c226effbbedde
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/linux-2.6 | ||
| Linux kernel | <2.6.39 | |
| All of | ||
| Avaya 96x1 IP Deskphone | >=6.0.0<=6.6.0 | |
| Avaya 96x1 IP Deskphone | ||
| Avaya 96x1 IP Deskphone | >=6.0.0<=6.6.0 | |
| Avaya 96x1 IP Deskphone |
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Reference Links
- https://github.com/torvalds/linux/commit/a9cf73ea7ff78f52662c8658d93c226effbbedde
- http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39
- https://bugzilla.redhat.com/show_bug.cgi?id=755584
- http://www.openwall.com/lists/oss-security/2011/11/21/10
- https://bugzilla.redhat.com/show_bug.cgi?id=682066
- http://downloads.avaya.com/css/P8/documents/100156038
- http://www.securityfocus.com/bid/50751
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a9cf73ea7ff78f52662c8658d93c226effbbedde
- https://launchpad.net/bugs/cve/CVE-2011-4326
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=755584#c0
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=755590
- https://rhn.redhat.com/errata/RHSA-2011-1465.html
- https://rhn.redhat.com/errata/RHSA-2012-0010.html
- https://security-tracker.debian.org/tracker/CVE-2011-4326
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4326
- https://nvd.nist.gov/vuln/detail/CVE-2011-4326
- https://ubuntu.com/security/CVE-2011-4326
Frequently Asked Questions
What is the severity of CVE-2011-4326?
CVE-2011-4326 has a critical severity as it can lead to a system crash from remote exploitation.
How do I fix CVE-2011-4326?
To fix CVE-2011-4326, apply the upstream patch a9cf73ea7ff78f52662c8658d93c226effbbedde.
What systems are affected by CVE-2011-4326?
CVE-2011-4326 affects the Linux kernel versions up to 2.6.39.
Can CVE-2011-4326 impact Avaya 96x1 IP Deskphones?
Yes, CVE-2011-4326 impacts Avaya 96x1 IP Deskphones with firmware versions between 6.0.0 and 6.6.0.
What vulnerability does CVE-2011-4326 exploit?
CVE-2011-4326 exploits a bug in the headroom check within the udp6_ufo_fragment() function.
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