PT-2011-2857 · Linux · Linux Kernel

Eugene Teo · CVE-2011-1076 · Published 2011-10-05 · Updated 2023-02-13

Positive Technologies (AI Summary)

CVSS v2.0

4.9

Medium

Base vector

AV:L/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 2.6.38

Description The issue allows remote DNS servers to cause a denial of service by not providing a valid response to a DNS query. This can trigger improper handling of error data within a DNS resolver key, resulting in a NULL pointer dereference and OOPS.

Recommendations For Linux kernel versions prior to 2.6.38, update to version 2.6.38 or later to resolve the issue.

Exploit

Fix

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2011-1076

Affected Products

Linux Kernel

References · 6

• 🔥 http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=1362fa078dae16776cd439791c6605b224ea6171 · Exploit
• 🔥 http://openwall.com/lists/oss-security/2011/03/04/13 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2011-1076 · Security Note
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1362fa078dae16776cd439791c6605b224ea6171 · Note
• http://securitytracker.com/id?1025162 · Note
• http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38 · Note