CVE-2017-15868: canonical ubuntu_linux Improper Input Validation
Vulnerability summary
CVE-2017-15868 is a high (CVSS 7.8) Improper Input Validation vulnerability in canonical ubuntu_linux. EPSS estimates a 0.43% chance of exploitation in the next 30 days, higher than 37.7% of scored vulnerabilities.
Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 29 · Related 27Timeline
- 05-12-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
The bnep_add_connection function in net/bluetooth/bnep/core.c in the Linux kernel before 3.19 does not ensure that an l2cap socket is available, which allows local users to gain privileges via a crafted application.
CVSS metrics
5 scores · 3 sources · 3 versions- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.43%
Chance of exploitation in the next 30 days
Percentile
38%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.43% 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.
Ubuntu14 products
- linux< 3.13.0-142.191
- linux-azure-6.11All versions (No fix recorded)
- linux-azure-fdeAll versions (No fix recorded)
- linux-azure-fde-5.15All versions (No fix recorded)
- linux-gcp-6.11All versions (No fix recorded)
Suse3 products
- kgraft-patch-SLE12_Update_29&distro=SUSE Linux Enterprise Server 12-LTSS< 3-2.1
- kgraft-patch-SLE12-SP1_Update_23&distro=SUSE Linux Enterprise Server 12 SP1-LTSS< 2-2.1
- kgraft-patch-SLE12-SP1_Update_23&distro=SUSE Linux Enterprise Server for SAP Applications 12 SP1< 2-2.1
Debian2 products
- linux< 4.0.2-1
- debian_linuxEOL8.0
Canonical1 product
- ubuntu_linuxEOL12.04 | 14.04
Linux1 product
- linux_kernel≥ 3.2, < 3.2.97 | ≥ 3.3, < 3.10.108 | ≥ 3.11, < 3.16.52 | ≥ 3.17, < 3.18.64
5 vendors · 21 products
References
19 links- lists.debian.org/debian-lts-announce/2017/12/msg00004.htmlMailing ListX Refsource MLISTThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- github.com/torvalds/linux/commit/71bb99a02b32b4cc4265118e85f6035ca72923f0X Refsource CONFIRMIssue TrackingREPORT