CVE-2019-11486 : The Siemens R3964 line discipline driver in drivers/tty/n_r3964.c in the Linux kernel before 5.0.8 has multiple race con

The Siemens R3964 line discipline driver in drivers/tty/n_r3964.c in the Linux kernel before 5.0.8 has multiple race conditions.

Published 2019-04-23 22:29:05

Updated 2023-10-05 14:22:45

Source MITRE

View at NVD, CVE.org

Threat overview for CVE-2019-11486

Top countries where our scanners detected CVE-2019-11486

Top open port discovered on systems with this issue 49152

IPs affected by CVE-2019-11486 21,442

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2019-11486!

^*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2019-11486

Probability of exploitation activity in the next 30 days: 0.08%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 32 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2019-11486

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
6.9	MEDIUM	AV:L/AC:M/Au:N/C:C/I:C/A:C	3.4	10.0	NIST
Access Vector: Local Access Complexity: Medium Authentication: None Confidentiality Impact: Complete Integrity Impact: Complete Availability Impact: Complete
7.0	HIGH	CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H	1.0	5.9	NIST
Attack Vector: Local Attack Complexity: High Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High
7.0	HIGH	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H	1.0	5.9	NIST
Attack Vector: Local Attack Complexity: High Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2019-11486

CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2019-11486

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c7084edc3f6d67750f50d4183134c4fb5712a5c8

kernel/git/torvalds/linux.git - Linux kernel source tree
Patch;Vendor Advisory
https://lists.debian.org/debian-lts-announce/2019/06/msg00011.html

[SECURITY] [DLA 1824-1] linux-4.9 security update
Third Party Advisory

CVEs referencing this url
https://seclists.org/bugtraq/2019/Jun/26

Bugtraq: [SECURITY] [DSA 4465-1] linux security update
Mailing List;Third Party Advisory

CVEs referencing this url
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00043.html

[security-announce] openSUSE-SU-2019:1407-1: important: Security update
Third Party Advisory

CVEs referencing this url
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00037.html

[security-announce] openSUSE-SU-2019:1404-1: important: Security update
Third Party Advisory

CVEs referencing this url
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.169

Vendor Advisory
https://security.netapp.com/advisory/ntap-20190517-0005/

May 2019 Linux Kernel Vulnerabilities in NetApp Products | NetApp Product Security
Third Party Advisory

CVEs referencing this url
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.8

Vendor Advisory

CVEs referencing this url
https://www.debian.org/security/2019/dsa-4465

Debian -- Security Information -- DSA-4465-1 linux
Third Party Advisory

CVEs referencing this url
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.112

Vendor Advisory
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.35

Vendor Advisory
https://github.com/torvalds/linux/commit/c7084edc3f6d67750f50d4183134c4fb5712a5c8

tty: mark Siemens R3964 line discipline as BROKEN · torvalds/linux@c7084ed · GitHub
Patch;Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00071.html

[security-announce] openSUSE-SU-2019:1479-1: important: Security update
Third Party Advisory

CVEs referencing this url
http://www.openwall.com/lists/oss-security/2019/04/29/1

oss-security - Linux kernel: multiple issues
Mailing List;Third Party Advisory

CVEs referencing this url
https://lists.debian.org/debian-lts-announce/2019/05/msg00042.html

[SECURITY] [DLA 1799-2] linux security update
Third Party Advisory

CVEs referencing this url
https://lists.debian.org/debian-lts-announce/2019/05/msg00041.html

[SECURITY] [DLA 1799-1] linux security update
Third Party Advisory

CVEs referencing this url
https://support.f5.com/csp/article/K50222414

Third Party Advisory

Products affected by CVE-2019-11486