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CVE-2011-4127

4.6 · MEDIUM

The Linux kernel before 3.2.2 does not properly restrict SG_IO ioctl calls, which allows local users to bypass intended restrictions on disk read and write operations by sending a SCSI command to (…

Published Jul 3, 2012suseCWE-264EPSS 0.57%

Overview

CVE-2011-4127 is a medium-severity vulnerability affecting suse linux_enterprise_server. It was published on July 3, 2012 and has a CVSS 2.0 base score of 4.6 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.6, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

The Linux kernel before 3.2.2 does not properly restrict SG_IO ioctl calls, which allows local users to bypass intended restrictions on disk read and write operations by sending a SCSI command to (1) a partition block device or (2) an LVM volume.

Remediation

Check the references section for vendor advisories and patches from suse. Update linux_enterprise_server to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
linuxlinux_kernel0Affected

References

Refgit.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=0bfc96cb77224736dfa35c3c555d37b3646ef35eRefgit.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ec8013beddd717d1740cfefb1a9b900deef85462Reflists.opensuse.org/opensuse-security-announce/2012-04/msg00021.htmlReflists.opensuse.org/opensuse-security-announce/2015-04/msg00020.htmlRefsecunia.com/advisories/48898Refwww.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.2Refwww.openwall.com/lists/oss-security/2011/12/22/5Refbugzilla.redhat.com/show_bug.cgi?id=752375GitHubgithub.com/torvalds/linux/commit/0bfc96cb77224736dfa35c3c555d37b3646ef35eGitHubgithub.com/torvalds/linux/commit/ec8013beddd717d1740cfefb1a9b900deef85462

How CyberStrike helps

Frequently asked questions

What is CVE-2011-4127?

CVE-2011-4127 is a medium-severity vulnerability affecting suse linux_enterprise_server. It was published on July 3, 2012 and has a CVSS 2.0 base score of 4.6 (MEDIUM).

How severe is CVE-2011-4127?

This vulnerability has a CVSS 2.0 base score of 4.6, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2011-4127?

Check the references section for vendor advisories and patches from suse. Update linux_enterprise_server to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2011-4127?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-4127 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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