PT-2012-1535 · Linux+1 · Linux Kernel+1

Petr Matousek · CVE-2011-1768 · Published 2011-07-12 · Updated 2023-02-13

Positive Technologies (AI Summary)

CVSS v2.0

5.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 2.6.34

Description The issue affects the tunnels implementation in the Linux kernel, allowing remote attackers to cause a denial of service by sending a packet during module loading when tunnel functionality is configured as a module.

Recommendations For Linux kernel versions prior to 2.6.34, update to version 2.6.34 or later to resolve the issue.

Exploit

Fix

DoS

Race Condition

Weakness Enumeration

CWE-362

Related Identifiers

CVE-2011-1768

DSA-2264-1

RHSA-2011:0928

RHSA-2011:1253

RHSA-2011_0928

Affected Products

Linux Kernel

Red Hat

References · 9

• 🔥 https://github.com/torvalds/linux/commit/d5aa407f59f5b83d2c50ec88f5bf56d40f1f8978 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2011-1768 · Security Note
• https://linux.oracle.com/errata/ELSA-2011-0928.html · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2011-2024.html · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2011-2021.html · Vendor Advisory
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d5aa407f59f5b83d2c50ec88f5bf56d40f1f8978 · Note
• http://openwall.com/lists/oss-security/2011/05/05/6 · Note
• http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.34 · Note
• https://bugzilla.redhat.com/show_bug.cgi?id=702303 · Note