CVE-2011-1076

Public Exploit

Description

net/dns_resolver/dns_key.c in the Linux kernel before 2.6.38 allows remote DNS servers to cause a denial of service (NULL pointer dereference and OOPS) by not providing a valid response to a DNS query, as demonstrated by an erroneous grand.centrall.org query, which triggers improper handling of error data within a DNS resolver key.

Category

4.9
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.07%
Third-Party Advisory openwall.com Third-Party Advisory securitytracker.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1362fa078dae16776cd439791c6605b224ea6171
http://openwall.com/lists/oss-security/2011/03/04/13 mailing list patch exploit third party advisory
http://securitytracker.com/id?1025162 vdb entry third party advisory
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38 broken link

Frequently Asked Questions

What is the severity of CVE-2011-1076?
CVE-2011-1076 has been scored as a medium severity vulnerability.
How to fix CVE-2011-1076?
To fix CVE-2011-1076, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-1076 being actively exploited in the wild?
It is possible that CVE-2011-1076 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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