Public proof of conceptFix available

CVE-2017-1000251

Q: Is CVE-2017-1000251 actively exploited?

Active exploitation of CVE-2017-1000251 has not been confirmed. Its EPSS score was 16.2% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2017-1000251?

CVE-2017-1000251 has a CVSS v3 base score of 8 (HIGH severity), with vector string CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

A public proof of concept exists; no exploitation attested.

Published2017-09-12
Fixed in4.13.2 · 4.12.13 · 4.9.50 · 4.4.88 · 4.1.45 · 3.18.71
WeaknessCWE-787

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

The native Bluetooth stack in the Linux Kernel (BlueZ), starting at the Linux kernel version 2.6.32 and up to and including 4.13.1, are vulnerable to a stack overflow vulnerability in the processing of L2CAP configuration responses resulting in Remote code execution in kernel space.

Timeline

dates in UTC

2017-09-1217:29CVE publishedNVD
2026-10-2319:23First public proof of conceptPoC-in-GitHub
2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2017-1000251?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2017-1000251?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Linux linux kernel

Branch	Affected	Fixed in	Source
4.13	≥ 4.13, < 4.13.2	4.13.2	NVD
4.x	≥ 4.10, < 4.12.13	4.12.13	NVD
4.x	≥ 4.5, < 4.9.50	4.9.50	NVD
4.x	≥ 4.2, < 4.4.88	4.4.88	NVD
4.1	≥ 3.19, < 4.1.45	4.1.45	NVD
3.x	≥ 3.17, < 3.18.71	3.18.71	NVD
3.x	≥ 3.3, < 3.16.49	3.16.49	NVD
3.2	≥ 2.6.32, < 3.2.94	3.2.94	NVD

Redhat enterprise linux server aus

Branch	Affected	Fixed in	Source
6.2	= 6.2	no fix published	NVD
6.4	= 6.4	no fix published	NVD
6.6	= 6.6	no fix published	NVD
7.2	= 7.2	no fix published	NVD
7.3	= 7.3	no fix published	NVD
7.4	= 7.4	no fix published	NVD
7.6	= 7.6	no fix published	NVD
7.7	= 7.7	no fix published	NVD

Redhat enterprise linux server eus

Branch	Affected	Fixed in	Source
6.7	= 6.7	no fix published	NVD
7.2	= 7.2	no fix published	NVD
7.3	= 7.3	no fix published	NVD
7.4	= 7.4	no fix published	NVD
7.5	= 7.5	no fix published	NVD
7.6	= 7.6	no fix published	NVD
7.7	= 7.7	no fix published	NVD

7 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Linux linux kernel to 4.13.2 · 4.12.13 · 4.9.50 · 4.4.88 · 4.1.45 · 3.18.71 · 3.16.49 · 3.2.94

Advisories and patches

www.securityfocus.comPatch
github.comPatch

Detection

read 2026-10-23 19:23 UTC

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: 5 repositories, unverifiedhayzamjs/Blueborne-CVE-2017-1000251tlatkdgus1/blueborne-CVE-2017-1000251own2pwn/blueborne-CVE-2017-1000251-POCistanescu/CVE-2017-1000251_Exploitsgxgsx/blueborne-CVE-2017-1000251

Sources

NVDCVSS 3.18read 2026-10-23
NVDCVSS 2.07.7read 2026-10-23
NVDweakness (CWE)CWE-787read 2026-10-23
FIRST EPSSEPSS score16.2 %read 2026-10-23
PoC-in-GitHubproof of concept5read 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published: 2017-09-12
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2017-1000251?

Is CVE-2017-1000251 actively exploited?

Active exploitation of CVE-2017-1000251 has not been confirmed. Its EPSS score was 16.2% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2017-1000251?

CVE-2017-1000251 has a CVSS v3 base score of 8 (HIGH severity), with vector string CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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