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CVE-2011-3593

5.7 · MEDIUM

A certain Red Hat patch to the vlan_hwaccel_do_receive function in net/8021q/vlan_core.c in the Linux kernel 2.6.32 on Red Hat Enterprise Linux (RHEL) 6 allows remote attackers to cause a denial of…

Published Jun 8, 2013linuxCWE-399EPSS 1.01%

Overview

CVE-2011-3593 is a medium-severity vulnerability affecting linux linux_kernel. It was published on June 8, 2013 and has a CVSS 2.0 base score of 5.7 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.7, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

A certain Red Hat patch to the vlan_hwaccel_do_receive function in net/8021q/vlan_core.c in the Linux kernel 2.6.32 on Red Hat Enterprise Linux (RHEL) 6 allows remote attackers to cause a denial of service (system crash) via priority-tagged VLAN frames.

Remediation

Check the references section for vendor advisories and patches from linux. Update linux_kernel 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

References

Refwww.openwall.com/lists/oss-security/2012/03/05/3Refbugzilla.redhat.com/show_bug.cgi?id=742846Refoss.oracle.com/git/?p=redpatch.git%3Ba=commit%3Bh=0e48f8daac293335e16e007663b9f4d248f89f0cRefoss.oracle.com/git/?p=redpatch.git%3Ba=commit%3Bh=fadca7bdc43b02f518585d9547019966415cadfdRefwww.openwall.com/lists/oss-security/2012/03/05/3Refbugzilla.redhat.com/show_bug.cgi?id=742846Refoss.oracle.com/git/?p=redpatch.git%3Ba=commit%3Bh=0e48f8daac293335e16e007663b9f4d248f89f0cRefoss.oracle.com/git/?p=redpatch.git%3Ba=commit%3Bh=fadca7bdc43b02f518585d9547019966415cadfd

How CyberStrike helps

Frequently asked questions

What is CVE-2011-3593?

CVE-2011-3593 is a medium-severity vulnerability affecting linux linux_kernel. It was published on June 8, 2013 and has a CVSS 2.0 base score of 5.7 (MEDIUM).

How severe is CVE-2011-3593?

This vulnerability has a CVSS 2.0 base score of 5.7, 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-2011-3593?

Check the references section for vendor advisories and patches from linux. Update linux_kernel 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-2011-3593?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-3593 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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