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CVE-2008-3911

7.2 · HIGH

The proc_do_xprt function in net/sunrpc/sysctl.c in the Linux kernel 2.6.26.3 does not check the length of a certain buffer obtained from userspace, which allows local users to overflow a stack-bas…

Published Sep 4, 2008linuxCWE-119EPSS 0.44%

Overview

CVE-2008-3911 is a high-severity vulnerability affecting linux linux_kernel. It was published on September 4, 2008 and has a CVSS 2.0 base score of 7.2 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.2, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

The proc_do_xprt function in net/sunrpc/sysctl.c in the Linux kernel 2.6.26.3 does not check the length of a certain buffer obtained from userspace, which allows local users to overflow a stack-based buffer and have unspecified other impact via a crafted read system call for the /proc/sys/sunrpc/transports file.

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

Refgit.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=27df6f25ff218072e0e879a96beeb398a79cdbc8Reflists.opensuse.org/opensuse-security-announce/2008-10/msg00010.htmlReflkml.org/lkml/2008/8/30/140Reflkml.org/lkml/2008/8/30/184Refwww.openwall.com/lists/oss-security/2008/09/04/2Refwww.securityfocus.com/bid/31937Refexchange.xforce.ibmcloud.com/vulnerabilities/45136Refgit.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=27df6f25ff218072e0e879a96beeb398a79cdbc8Reflists.opensuse.org/opensuse-security-announce/2008-10/msg00010.htmlReflkml.org/lkml/2008/8/30/140

How CyberStrike helps

Frequently asked questions

What is CVE-2008-3911?

CVE-2008-3911 is a high-severity vulnerability affecting linux linux_kernel. It was published on September 4, 2008 and has a CVSS 2.0 base score of 7.2 (HIGH).

How severe is CVE-2008-3911?

This vulnerability has a CVSS 2.0 base score of 7.2, rated HIGH. 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-2008-3911?

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-2008-3911?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2008-3911 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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