CVE-2011-4132: Input Validation
A flaw was found in the way Linux kernel's Journaling Block Device (JBD) handled invalid log first block value. An attacker able to mount malicious ext3 or ext4 image could use this flaw to crash the system.
Upstream commit: 8762202dd0d6e46854f786bdb6fb3780a1625efe
Other sources
The cleanupjournaltail function in the Journaling Block Device (JBD) ...
— Debian
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2011-4132?
CVE-2011-4132 has a severity rating that indicates it can lead to denial of service due to system crashes.
How do I fix CVE-2011-4132?
To fix CVE-2011-4132, ensure that your Linux kernel is updated to a version that addresses this vulnerability.
What systems are affected by CVE-2011-4132?
CVE-2011-4132 affects Linux kernel versions prior to the patches made for Journal Block Device handling.
What type of attacker can exploit CVE-2011-4132?
An attacker who can mount a malicious ext3 or ext4 filesystem image can exploit CVE-2011-4132.
What is the impact of exploiting CVE-2011-4132?
Exploiting CVE-2011-4132 can lead to a denial of service, causing the affected system to crash.