CVE-2019-11486

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

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.0

Review impact separately from score.

Published · April 5, 2019

Updated · June 28, 2026

Description

A flaw was found in the Linux kernel's Siemens r3964 adapter driver. The flaw allows an attacker, with a local account and an ability to open the serial port of a Siemens r3964 adapter, may be able to abuse this race condition for memory corruption and possibly privilege escalation.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 5.5
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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