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CVE-2014-9710

6.9 · MEDIUM

The Btrfs implementation in the Linux kernel before 3.19 does not ensure that the visible xattr state is consistent with a requested replacement, which allows local users to bypass intended ACL set…

Published May 27, 2015linuxCWE-362EPSS 0.28%

Overview

CVE-2014-9710 is a medium-severity vulnerability affecting linux linux_kernel. It was published on May 27, 2015 and has a CVSS 2.0 base score of 6.9 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 6.9, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

The Btrfs implementation in the Linux kernel before 3.19 does not ensure that the visible xattr state is consistent with a requested replacement, which allows local users to bypass intended ACL settings and gain privileges via standard filesystem operations (1) during an xattr-replacement time window, related to a race condition, or (2) after an xattr-replacement attempt that fails because the data does not fit.

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, < 3.10.83Affected

References

Refgit.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=5f5bc6b1e2d5a6f827bc860ef2dc5b6f365d1339Reflists.opensuse.org/opensuse-security-announce/2015-07/msg00023.htmlReflists.opensuse.org/opensuse-security-announce/2015-09/msg00009.htmlRefwww.openwall.com/lists/oss-security/2015/03/24/11Refwww.securitytracker.com/id/1032418Refbugzilla.redhat.com/show_bug.cgi?id=1205079GitHubgithub.com/torvalds/linux/commit/5f5bc6b1e2d5a6f827bc860ef2dc5b6f365d1339Refgit.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=5f5bc6b1e2d5a6f827bc860ef2dc5b6f365d1339Reflists.opensuse.org/opensuse-security-announce/2015-07/msg00023.htmlReflists.opensuse.org/opensuse-security-announce/2015-09/msg00009.html

How CyberStrike helps

Frequently asked questions

What is CVE-2014-9710?

CVE-2014-9710 is a medium-severity vulnerability affecting linux linux_kernel. It was published on May 27, 2015 and has a CVSS 2.0 base score of 6.9 (MEDIUM).

How severe is CVE-2014-9710?

This vulnerability has a CVSS 2.0 base score of 6.9, 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-2014-9710?

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-2014-9710?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2014-9710 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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