CVE-2015-8946: canonical ubuntu_linux Improper Input Validation
Vulnerability summary
CVE-2015-8946 is a low (CVSS 3.3) Improper Input Validation vulnerability in canonical ubuntu_linux. EPSS estimates a 0.35% chance of exploitation in the next 30 days, higher than 28.9% of scored vulnerabilities.
Not severe (CVSS 3.3, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 22-07-2016PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
ecryptfs-setup-swap in eCryptfs before 111 does not prevent the unencrypted swap partition from activating during boot when using GPT partitioning and certain versions of systemd, which allows local users to obtain sensitive information via unspecified vectors.
CVSS metrics
3 scores · 2 sources · 2 versions- OSV · DebianEcosystem advisory · calculated3.3LowCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
EPSS trend
Probability
0.35%
Chance of exploitation in the next 30 days
Percentile
29%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.35% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Canonical1 product
- ubuntu_linuxEOL15.10 | 16.04
Debian1 product
- ecryptfs-utils< 111-1
Ecryptfs1 product
- ecryptfs-utils≤ 110
3 vendors · 3 products
References
6 links- bazaar.launchpad.net/~ecryptfs/ecryptfs/trunk/revision/857X Refsource CONFIRM
- bugs.launchpad.net/ubuntu/+source/ecryptfs-utils/+bug/1447282X Refsource CONFIRM