CVE-2015-8374

MEDIUMNVD 4.04.0—

4.0

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.

CVSS v3: 4.0
EG Score: 4.0(medium)
EPSS: 9.9%
KEV: Not listed

Published

December 28, 2015

Last Modified

May 6, 2026

References (42)

cve@mitrehttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0305cd5f7fca85dae392b9ba85b116896eb7c1c7
cve@mitrehttp://rhn.redhat.com/errata/RHSA-2016-2574.html
cve@mitrehttp://rhn.redhat.com/errata/RHSA-2016-2584.html
cve@mitrehttp://www.debian.org/security/2015/dsa-3426
cve@mitrehttp://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.3.3
cve@mitrehttp://www.openwall.com/lists/oss-security/2015/11/27/2
cve@mitrehttp://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html
cve@mitrehttp://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html
cve@mitrehttp://www.securityfocus.com/bid/78219
cve@mitrehttp://www.securitytracker.com/id/1034895
cve@mitrehttp://www.ubuntu.com/usn/USN-2886-1
cve@mitrehttp://www.ubuntu.com/usn/USN-2887-1
cve@mitrehttp://www.ubuntu.com/usn/USN-2887-2
cve@mitrehttp://www.ubuntu.com/usn/USN-2888-1
cve@mitrehttp://www.ubuntu.com/usn/USN-2889-1

Patch Availability(12)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	linux-image-extra-3.19.0-49-generic (3.19.0-49.55~14.04.1) @ trusty	2026-05-22	ubuntu
ubuntu	linux-image-3.2.0-1476-omap4 (3.2.0-1476.99) @ precise	2026-05-22	ubuntu
ubuntu	linux-image-3.2.0-98-powerpc64-smp (3.2.0-98.138) @ precise	2026-05-22	ubuntu
ubuntu	linux-image-4.2.0-1022-raspi2 (4.2.0-1022.29) @ wily	2026-05-22	ubuntu
ubuntu	linux-image-3.13.0-77-generic-lpae (3.13.0-77.121~precise1) @ precise	2026-05-22	ubuntu
ubuntu	linux-image-extra-3.13.0-77-generic (3.13.0-77.121) @ trusty	2026-05-22	ubuntu
ubuntu	linux-image-4.2.0-27-generic (4.2.0-27.32) @ wily	2026-05-22	ubuntu
ubuntu	linux-image-extra-4.2.0-27-generic (4.2.0-27.32~14.04.1) @ trusty	2026-05-22	ubuntu
ubuntu	linux-image-extra-3.16.0-60-generic (3.16.0-60.80~14.04.1) @ trusty	2026-05-22	ubuntu
ubuntu	linux-image-3.19.0-49-powerpc64-smp (3.19.0-49.55) @ vivid	2026-05-22	ubuntu
redhat	kernel-rt-0:3.10.0-514.rt56.420.el7	2016-11-03	redhat
redhat	kernel-0:3.10.0-514.el7	2016-11-03	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

All Vendor Advisories

(12)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 9× in last 7d / 20× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-08 14:14 UTCEPSS rescore
2026-06-07 15:22 UTCEPSS rescore
2026-06-07 01:29 UTCOSV refresh
2026-06-06 13:45 UTCEPSS rescore
2026-06-05 22:44 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-02 20:10 UTCEPSS rescore
2026-06-01 13:49 UTCEPSS rescore
2026-06-01 13:49 UTCEPSS rescore
2026-05-31 22:28 UTCEPSS rescore
2026-05-31 22:28 UTCEPSS rescore
2026-05-31 00:14 UTCEPSS rescore
2026-05-29 13:41 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore
2026-05-27 13:38 UTCEPSS rescore
2026-05-27 13:38 UTCEPSS rescore

Frequently asked(5)

What is CVE-2015-8374?

CVE-2015-8374 is a medium vulnerability published on December 28, 2015. 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.

When was CVE-2015-8374 disclosed?

CVE-2015-8374 was first published in the National Vulnerability Database on December 28, 2015, with the most recent update on May 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2015-8374 actively exploited?

CVE-2015-8374 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 9.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2015-8374?

CVE-2015-8374 has a CVSS v3 base score of 4.0 (NVD).

How do I remediate CVE-2015-8374?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2015-8374, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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