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CVE-2011-1581

9.0 · HIGH

The bond_select_queue function in drivers/net/bonding/bond_main.c in the Linux kernel before 2.6.39, when a network device with a large number of receive queues is installed but the default tx_queu…

Published May 26, 2011linuxCWE-20EPSS 3.38%

Overview

CVE-2011-1581 is a high-severity vulnerability affecting linux linux_kernel. It was published on May 26, 2011 and has a CVSS 2.0 base score of 9.0 (HIGH).

This vulnerability has a CVSS 2.0 base score of 9.0, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The bond_select_queue function in drivers/net/bonding/bond_main.c in the Linux kernel before 2.6.39, when a network device with a large number of receive queues is installed but the default tx_queues setting is used, does not properly restrict queue indexes, which allows remote attackers to cause a denial of service (BUG and system crash) or possibly have unspecified other impact by sending network traffic.

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
linuxlinux_kernel>= 0, < 2.6.39Affected

References

Refgit.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fd0e435b0fe85622f167b84432552885a4856ac8Refopenwall.com/lists/oss-security/2011/04/13/16Refopenwall.com/lists/oss-security/2011/04/13/4Refsecuritytracker.com/id?1025558Refwww.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39Refbugzilla.redhat.com/show_bug.cgi?id=696029Refgit.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fd0e435b0fe85622f167b84432552885a4856ac8Refopenwall.com/lists/oss-security/2011/04/13/16Refopenwall.com/lists/oss-security/2011/04/13/4Refsecuritytracker.com/id?1025558

How CyberStrike helps

Frequently asked questions

What is CVE-2011-1581?

CVE-2011-1581 is a high-severity vulnerability affecting linux linux_kernel. It was published on May 26, 2011 and has a CVSS 2.0 base score of 9.0 (HIGH).

How severe is CVE-2011-1581?

This vulnerability has a CVSS 2.0 base score of 9.0, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2011-1581?

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-2011-1581?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-1581 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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