CVE-2011-1076
MEDIUM · CVSS 4.9EPSS 0.5%EU EUVD
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.
Key facts
- CVSS score
- 4.9 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:L/AC:L/Au:N/C:N/I:N/A:C- Weakness (CWE)
- CWE-476
- EPSS score
- 0.5% (44th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2011-1091)
- Published
- October 5, 2011
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2011-1091 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- linux / linux kernel
References
- 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(Exploit, Mailing List, Patch, Third Party Advisory)
- http://securitytracker.com/id?1025162(Third Party Advisory, VDB Entry)
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38(Broken Link)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
Query CVEs from your AI assistant
The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.
Add the CVE brain