CVE-2013-1774: Null Pointer Dereference
Last updated 24 July 2024
Other sources
Linux kernel built with Edgeport USB serial converter driver ioti, is vulnerable to a NULL pointer dereference flaw. It happens if the device is disconnected while in use.
A user able to read/write from /dev/ttyUSB? file could use this flaw to crash the system, resulting in DoS.
Upstream fix: ------------- -> https://git.kernel.org/linus/1ee0a224bc9aad1de496c795f96bc6ba2c394811
— Red Hat
The chaseport function in drivers/usb/serial/ioti.c in the Linux kernel before 3.7.4 allows local users to cause a denial of service (NULL pointer dereference and system crash) via an attempted /dev/ttyUSB read or write operation on a disconnected Edgeport USB serial converter.
— Launchpad
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2013-1774?
The severity of CVE-2013-1774 is rated as medium, as it can cause a NULL pointer dereference leading to system crashes.
How do I fix CVE-2013-1774?
To fix CVE-2013-1774, it is recommended to update to a fixed version of the Linux kernel, such as 5.10.223-1 or later.
Which systems are affected by CVE-2013-1774?
CVE-2013-1774 affects Linux kernel versions prior to 3.7.3 that include the Edgeport USB serial converter driver.
Can CVE-2013-1774 be exploited remotely?
No, CVE-2013-1774 requires local access to the affected system to exploit the NULL pointer dereference.
What consequences might arise from CVE-2013-1774?
Exploitation of CVE-2013-1774 can lead to system instability and crashes when the device is disconnected while in use.