Memory leak in the cuse_channel_release function in fs/fuse/cuse.c in the Linux kernel before 4.4 allows local users to cause a denial of service (memory consumption) or possibly have unspecified other impact by opening /dev/cuse many times.
CVE-2015-1339
MEDIUMNVD 6.26.2—
EchelonGraph scoreMEDIUM confidence
Score 6.2 from GitHub Security Advisory published 2022-05-17. NVD baseline CVSS 6.2; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
6.2EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.4%CVSS: 6.2Exploit: None knownExposed services: —
A fix is available — apply it.
Internet exposure
The internet-exposure footprint is temporarily unavailable — the KEV-Exposure radar's record for this CVE could not be loaded just now. That is not a finding of zero exposed services; please retry shortly.
- CVSS v3
- 6.2
- EG Score
- 6.2MEDIUMmedium confidence
- EG Risk
- 33EG Risk 33/100CISA SSVC
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity62% × 45%Exploitation0% × 40%Automatability30% × 15%CISA SSVC: Track at low or medium mission impact; Track or Attend at high (mission-essential systems).Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high. - EPSS PROB
- 0.4%
- EPSS %ILE
- 34th
- KEV
- Not listed
CISA SSVCTrack at low or medium mission impact; Track or Attend at high (mission-essential systems).
A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
Exploitation none (no KEV listing, exploit record or EPSS ≥ 50%) · Automatable unknown (not published for this CVE) · Technical impact partial (CVSS below 9.0). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table
Published
April 27, 2016
Last Modified
June 17, 2026
References (16)
- security@ubuntuhttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2c5816b4beccc8ba709144539f6fdd764f8fa49c
- security@ubuntuhttp://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html
- security@ubuntuhttp://lists.opensuse.org/opensuse-security-announce/2016-06/msg00059.html
- security@ubuntuhttp://www.openwall.com/lists/oss-security/2016/03/02/13
- security@ubuntuhttps://bugzilla.novell.com/show_bug.cgi?id=969356
- security@ubuntuhttps://bugzilla.redhat.com/show_bug.cgi?id=1314331
- security@ubuntuhttps://github.com/torvalds/linux/commit/2c5816b4beccc8ba709144539f6fdd764f8fa49c
- security@ubuntuhttps://security-tracker.debian.org/tracker/CVE-2015-1339
- af854a3a-2127-422b-91ae-364da2661108http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2c5816b4beccc8ba709144539f6fdd764f8fa49c
- af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html
- af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00059.html
- af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2016/03/02/13
- af854a3a-2127-422b-91ae-364da2661108https://bugzilla.novell.com/show_bug.cgi?id=969356
- af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=1314331
- af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/2c5816b4beccc8ba709144539f6fdd764f8fa49c
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Frequently asked(5)
What is CVE-2015-1339?
CVE-2015-1339 is a medium vulnerability published on April 27, 2016. Memory leak in the cusechannelrelease function in fs/fuse/cuse.c in the Linux kernel before 4.4 allows local users to cause a denial of service (memory consumption) or possibly have unspecified other impact by opening /dev/cuse many times.
When was CVE-2015-1339 disclosed?
CVE-2015-1339 was first published on April 27, 2016, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2015-1339 actively exploited?
CVE-2015-1339 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.4% probability of exploitation in the next 30 days (34th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2015-1339?
CVE-2015-1339 has a CVSS v3 base score of 6.2 (NVD).
How do I remediate CVE-2015-1339?
A fix for CVE-2015-1339 is available: update to the fixed version the vendor names in its advisory.
Dependency Blast Radius
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