Input validation error in Linux kernel - CVE-2013-0290

 

Input validation error in Linux kernel - CVE-2013-0290

Published: February 19, 2013 / Updated: August 11, 2020


Vulnerability identifier: #VU43081
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2013-0290
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The __skb_recv_datagram function in net/core/datagram.c in the Linux kernel before 3.8 does not properly handle the MSG_PEEK flag with zero-length data, which allows local users to cause a denial of service (infinite loop and system hang) via a crafted application.


Affected software

Linux kernel
Ubuntu
linux (Ubuntu package)
linux-lts-quantal (Ubuntu package)

How to mitigate CVE-2013-0290

Install update from vendor's website.

linux (Ubuntu package) - update to 3.5.0-26.42
linux-lts-quantal (Ubuntu package) - update to 3.5.0-26.42~precise1

External References

Related Security Bulletins