SARA / Free Tools / CVE / CVE-2019-11486

CVE-2019-11486 — The Siemens R3964 line discipline driver in drivers/tty/n_r3964

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

CVSS

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EPSS

0.05% (top 85.70%)

CWE

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Published

2019-04-23T22:00:24.000Z

Last modified

2024-08-04T22:55:40.629Z

CVSS vector

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01What is this vulnerability?

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

Vendor	Product	Versions
n	a / n/a	n/a

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

Patch to a fixed version listed in the vendor advisory (see references below).
Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
Hunt historical logs for exploitation indicators — see Detection signatures below.

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

github.com — https://github.com/torvalds/linux/commit/c7084edc3f6d67750f50d4183134c4fb5712a5c…
git.kernel.org — https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c7084…
cdn.kernel.org — https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.8
cdn.kernel.org — https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.35
cdn.kernel.org — https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.112
cdn.kernel.org — https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.169
www.openwall.com — http://www.openwall.com/lists/oss-security/2019/04/29/1
lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00037.html
security.netapp.com — https://security.netapp.com/advisory/ntap-20190517-0005/
lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00043.html
lists.debian.org — https://lists.debian.org/debian-lts-announce/2019/05/msg00041.html
lists.debian.org — https://lists.debian.org/debian-lts-announce/2019/05/msg00042.html
lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00071.html
support.f5.com — https://support.f5.com/csp/article/K50222414
www.debian.org — https://www.debian.org/security/2019/dsa-4465
lists.debian.org — https://lists.debian.org/debian-lts-announce/2019/06/msg00011.html
seclists.org — https://seclists.org/bugtraq/2019/Jun/26

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