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.
Published 2011-10-05 02:56:25
Updated 2023-02-13 01:18:52
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: Memory CorruptionDenial of service

Threat overview for CVE-2011-1076

Top countries where our scanners detected CVE-2011-1076
Top open port discovered on systems with this issue 49152
IPs affected by CVE-2011-1076 1,472
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2011-1076!
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Exploit prediction scoring system (EPSS) score for CVE-2011-1076

0.08%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 33 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2011-1076

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.9
MEDIUM AV:L/AC:L/Au:N/C:N/I:N/A:C
3.9
6.9
NIST

CWE ids for CVE-2011-1076

  • A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2011-1076

Products affected by CVE-2011-1076

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