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CVE-2019-17666

30
FAUCET Score

CVE-2019-17666 is a high-severity buffer overflow vulnerability (CWE-120) in the rtl_p2p_noa_ie function of the Realtek Wi-Fi driver (rtlwifi/ps.c) in Linux kernels up to 5.3.6. This flaw, with a CVSS score of 8.8, allows an unauthenticated attacker on the adjacent network to achieve high confidentiality, integrity, and availability impacts without user interaction. Despite its severity, there is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.16.77CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 3.17, < 4.4.199CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.5, < 4.9.199CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.10, < 4.14.152CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.15, < 4.19.82CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
3.02%
Probability of exploitation in next 30 days
EPSS Percentile
86.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0302 is in the 92nd percentile among its peer group of 1,875 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (18)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: kernel-0:2.6.32-754.29.1.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-rt-0:3.10.0-1062.18.1.rt56.1044.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-alt-0:4.14.0-115.18.1.el7a
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-0:3.10.0-1062.18.1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7.2 Advanced Update SupportFixed in: kernel-0:3.10.0-327.85.1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7.3 Advanced Update SupportFixed in: kernel-0:3.10.0-514.74.1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7.3 Telco Extended Update SupportFixed in: kernel-0:3.10.0-514.74.1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7.3 Update Services for SAP SolutionsFixed in: kernel-0:3.10.0-514.74.1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7.4 Advanced Update SupportFixed in: kernel-0:3.10.0-693.65.1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7.4 Telco Extended Update SupportFixed in: kernel-0:3.10.0-693.65.1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7.4 Update Services for SAP SolutionsFixed in: kernel-0:3.10.0-693.65.1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7.5 Extended Update SupportFixed in: kernel-0:3.10.0-862.48.1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7.6 Extended Update SupportFixed in: kernel-0:3.10.0-957.48.1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-rt-0:4.18.0-147.5.1.rt24.98.el8_1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: kernel-0:4.18.0-147.5.1.el8_1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.0 Update Services for SAP SolutionsFixed in: kernel-0:4.18.0-80.16.1.el8_0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise MRG 2Fixed in: kernel-rt-1:3.10.0-693.65.1.rt56.663.el6rt
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Virtualization 4.2 for Red Hat Enterprise Linux 7.6 EUSFixed in: kernel-0:3.10.0-957.48.1.el7
View patch

Vendor Advisories (1)

redhatCVE-2019-17666Important

kernel: rtl_p2p_noa_ie in drivers/net/wireless/realtek/rtlwifi/ps.c in the Linux kernel lacks a certain upper-bound check, leading to a buffer overflow

Oct 18, 2019

References

lists.opensuse.org / opensuse-security-announce/2019-10/msg00064.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2019-11/msg00010.html
Mailing ListThird Party Advisory
access.redhat.com / errata/RHSA-2020:0328
Third Party Advisory
access.redhat.com / errata/RHSA-2020:0339
Third Party Advisory
access.redhat.com / errata/RHSA-2020:0543
Third Party Advisory
access.redhat.com / errata/RHSA-2020:0661
Third Party Advisory
access.redhat.com / errata/RHSA-2020:0740
Third Party Advisory
arstechnica.com / information-technology/2019/10/unpatched-linux-flaw-may-let-attackers-crash-or-compromise-nearby-devices
Third Party Advisory
lists.debian.org / debian-lts-announce/2020/01/msg00013.html
Third Party Advisory
lists.debian.org / debian-lts-announce/2020/03/msg00001.html
Third Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/TRBP4O6D2SQ2NHCRHTJONGCZLWOIV5MN
lkml.org / lkml/2019/10/16/1226
Mailing ListPatchThird Party Advisory
security.netapp.com / advisory/ntap-20191031-0005
Third Party Advisory
twitter.com / nicowaisman/status/1184864519316758535
Third Party Advisory
usn.ubuntu.com / 4183-1
Third Party Advisory
usn.ubuntu.com / 4184-1
Third Party Advisory
usn.ubuntu.com / 4185-1
Third Party Advisory
usn.ubuntu.com / 4186-1
Third Party Advisory
usn.ubuntu.com / 4186-2
Third Party Advisory