No exploitation reportedFix available

CVE-2015-8812

Q: Is CVE-2015-8812 actively exploited?

Active exploitation of CVE-2015-8812 has not been confirmed. Its EPSS score was 14.5% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2015-8812?

CVE-2015-8812 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2016-04-27
Fixed in4.4.4 · 4.1.22 · 3.18.31 · 3.16.35 · 3.14.63 · 3.12.56

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

drivers/infiniband/hw/cxgb3/iwch_cm.c in the Linux kernel before 4.5 does not properly identify error conditions, which allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free) via crafted packets.

Timeline

dates in UTC

2016-04-2717:59CVE publishedNVD
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-2015-8812?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2015-8812?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.x	≥ 4.2.0, < 4.4.4	4.4.4	NVD
4.1	≥ 3.19, < 4.1.22	4.1.22	NVD
3.x	≥ 3.17, < 3.18.31	3.18.31	NVD
3.x	≥ 3.15, < 3.16.35	3.16.35	NVD
3.x	≥ 3.13, < 3.14.63	3.14.63	NVD
3.x	≥ 3.11, < 3.12.56	3.12.56	NVD
3.x	≥ 3.3, < 3.10.99	3.10.99	NVD
3.2	< 3.2.78	3.2.78	NVD

Canonical ubuntu linux

Branch	Affected	Fixed in	Source
12.4	= 12.04	no fix published	NVD
14.4	= 14.04	no fix published	NVD
15.10	= 15.10	no fix published	NVD

Novell suse linux enterprise real time extension

Branch	Affected	Fixed in	Source
12.x	= 12	no fix published	NVD

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 4.4.4 · 4.1.22 · 3.18.31 · 3.16.35 · 3.14.63 · 3.12.56 · 3.10.99 · 3.2.78

Advisories and patches

git.kernel.orgVendor Advisory
www.openwall.comRelease Notes
github.comPatch · Vendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.19.8read 2026-10-23
NVDCVSS 2.010read 2026-10-23
FIRST EPSSEPSS score14.5 %read 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2016-04-27
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2015-8812?

Is CVE-2015-8812 actively exploited?

Active exploitation of CVE-2015-8812 has not been confirmed. Its EPSS score was 14.5% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2015-8812?

CVE-2015-8812 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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