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CVE-2019-11486

24
FAUCET Score

CVE-2019-11486 is a high-severity vulnerability affecting the Siemens R3964 line discipline driver in the Linux kernel before version 5.0.8, impacting products like Debian, NetApp, and openSUSE. It involves multiple race conditions (CWE-362) that, with high attack complexity and low privileges, could lead to a complete compromise of confidentiality, integrity, and availability. While rated with a CVSS score of 7.0, there is currently no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.16.66CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 3.17, < 3.18.139CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 3.19, < 4.4.179CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.5, < 4.9.169CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 4.10, < 4.14.112CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.0HIGH

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

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.0
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.37%
Probability of exploitation in next 30 days
EPSS Percentile
29.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0037 is in the 68th percentile among its peer group of 1,516 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 0.4 InfoSec Media, 0.1 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2019-11486Moderate

kernel: multiple race conditions in Siemens R3964 line discipline driver in drivers/tty/n_r3964.c leading to denial of service

Apr 5, 2019

References

lists.opensuse.org / opensuse-security-announce/2019-05/msg00037.html
Third Party Advisory
lists.opensuse.org / opensuse-security-announce/2019-05/msg00043.html
Third Party Advisory
lists.opensuse.org / opensuse-security-announce/2019-05/msg00071.html
Third Party Advisory
cdn.kernel.org / pub/linux/kernel/v4.x/ChangeLog-4.14.112
Vendor Advisory
cdn.kernel.org / pub/linux/kernel/v4.x/ChangeLog-4.19.35
Vendor Advisory
cdn.kernel.org / pub/linux/kernel/v4.x/ChangeLog-4.9.169
Vendor Advisory
cdn.kernel.org / pub/linux/kernel/v5.x/ChangeLog-5.0.8
Vendor Advisory
github.com / torvalds/linux/commit/c7084edc3f6d67750f50d4183134c4fb5712a5c8
PatchThird Party Advisory
git.kernel.org / cgit/linux/kernel/git/torvalds/linux.git/commit
PatchVendor Advisory
lists.debian.org / debian-lts-announce/2019/05/msg00041.html
Third Party Advisory
lists.debian.org / debian-lts-announce/2019/05/msg00042.html
Third Party Advisory
lists.debian.org / debian-lts-announce/2019/06/msg00011.html
Third Party Advisory
seclists.org / bugtraq/2019/Jun/26
Mailing ListThird Party Advisory
security.netapp.com / advisory/ntap-20190517-0005
Third Party Advisory
support.f5.com / csp/article/K50222414
Third Party Advisory
debian.org / security/2019/dsa-4465
Third Party Advisory
openwall.com / lists/oss-security/2019/04/29/1
Mailing ListThird Party Advisory