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CVE-2015-8374

4.0 · MEDIUM

fs/btrfs/inode.c in the Linux kernel before 4.3.3 mishandles compressed inline extents, which allows local users to obtain sensitive pre-truncation information from a file via a clone action.

Published Dec 28, 2015linuxCWE-200EPSS 0.50%

Overview

CVE-2015-8374 is a medium-severity vulnerability affecting linux linux_kernel. It was published on December 28, 2015 and has a CVSS 3.0 base score of 4.0 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 4.0, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

fs/btrfs/inode.c in the Linux kernel before 4.3.3 mishandles compressed inline extents, which allows local users to obtain sensitive pre-truncation information from a file via a clone action.

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=0305cd5f7fca85dae392b9ba85b116896eb7c1c7Refrhn.redhat.com/errata/RHSA-2016-2574.htmlRefrhn.redhat.com/errata/RHSA-2016-2584.htmlRefwww.debian.org/security/2015/dsa-3426Refwww.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.3.3Refwww.openwall.com/lists/oss-security/2015/11/27/2Refwww.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.htmlRefwww.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.htmlRefwww.securityfocus.com/bid/78219Refwww.securitytracker.com/id/1034895

How CyberStrike helps

Frequently asked questions

What is CVE-2015-8374?

CVE-2015-8374 is a medium-severity vulnerability affecting linux linux_kernel. It was published on December 28, 2015 and has a CVSS 3.0 base score of 4.0 (MEDIUM).

How severe is CVE-2015-8374?

This vulnerability has a CVSS 3.0 base score of 4.0, 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-2015-8374?

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-2015-8374?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-8374 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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