Vulnerabilities
Misconfiguration
Compliance
CVE Vulnerabilities

CVE-2011-4621

Loop with Unreachable Exit Condition ('Infinite Loop')

Published: May 17, 2012 | Modified: Apr 11, 2025
CVSS 3.x
5.5
MEDIUM
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
4.9 MEDIUM
AV:L/AC:L/Au:N/C:N/I:N/A:C
RedHat/V2
4.7 MODERATE
AV:L/AC:M/Au:N/C:N/I:N/A:C
RedHat/V3
Ubuntu
LOW
Vulnerability-free packages from our partners
root.io logo minimus.io logo echo.ai logo
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2011-4621
CWEhttps://cwe.mitre.org/data/definitions/835.html

The Linux kernel before 2.6.37 does not properly implement a certain clock-update optimization, which allows local users to cause a denial of service (system hang) via an application that executes code in a loop.

Weakness

The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.

Affected Software

NameVendorStart VersionEnd Version
Linux_kernelLinux*2.6.37 (excluding)
Red Hat Enterprise Linux 6RedHatkernel-0:2.6.32-220.2.1.el6*
LinuxUbuntumaverick*
LinuxUbuntuupstream*
Linux-armadaxpUbuntuupstream*
Linux-ec2Ubuntumaverick*
Linux-ec2Ubuntuupstream*
Linux-fsl-imx51Ubuntuupstream*
Linux-lts-backport-maverickUbuntulucid*
Linux-lts-backport-maverickUbuntuupstream*
Linux-lts-backport-nattyUbuntuupstream*
Linux-lts-backport-oneiricUbuntuupstream*
Linux-mvl-doveUbuntuupstream*
Linux-ti-omap4Ubuntumaverick*
Linux-ti-omap4Ubuntunatty*
Linux-ti-omap4Ubuntuupstream*

References

Aqua Security is the largest pure-play cloud native security company, providing customers the freedom to innovate and run their businesses with minimal friction. The Aqua Cloud Native Security Platform provides prevention, detection, and response automation across the entire application lifecycle to secure the build, secure cloud infrastructure and secure running workloads wherever they are deployed.
Copyright © 2026 Aqua Security Software Ltd.   Privacy Policy | Terms of Use