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CVE-2014-9730

4.9 · MEDIUM

The udf_pc_to_char function in fs/udf/symlink.c in the Linux kernel before 3.18.2 relies on component lengths that are unused, which allows local users to cause a denial of service (system crash) v…

Published Aug 31, 2015linuxEPSS 0.41%

Overview

CVE-2014-9730 is a medium-severity vulnerability affecting linux linux_kernel. It was published on August 31, 2015 and has a CVSS 2.0 base score of 4.9 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.9, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

The udf_pc_to_char function in fs/udf/symlink.c in the Linux kernel before 3.18.2 relies on component lengths that are unused, which allows local users to cause a denial of service (system crash) via a crafted UDF filesystem image.

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_kernel0Affected

References

Refgit.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e237ec37ec154564f8690c5bd1795339955eeef9Reflists.opensuse.org/opensuse-security-announce/2015-07/msg00023.htmlReflists.opensuse.org/opensuse-security-announce/2015-07/msg00049.htmlReflists.opensuse.org/opensuse-security-announce/2015-08/msg00011.htmlReflists.opensuse.org/opensuse-security-announce/2015-09/msg00018.htmlReflists.opensuse.org/opensuse-security-announce/2015-09/msg00021.htmlRefwww.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.18.2Refwww.openwall.com/lists/oss-security/2015/06/02/7Refwww.securityfocus.com/bid/74964Refbugzilla.redhat.com/show_bug.cgi?id=1228229

How CyberStrike helps

Frequently asked questions

What is CVE-2014-9730?

CVE-2014-9730 is a medium-severity vulnerability affecting linux linux_kernel. It was published on August 31, 2015 and has a CVSS 2.0 base score of 4.9 (MEDIUM).

How severe is CVE-2014-9730?

This vulnerability has a CVSS 2.0 base score of 4.9, 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-2014-9730?

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-2014-9730?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2014-9730 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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