CVE-2019-11811

Name: CVE-2019-11811
Creator: NVD / NIST
Published: 2019-05-07T14:29:00.863+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7/10EPSS 0.45%

Last modified Jun 17, 2026

CVE-2019-11811 is a high-severity vulnerability rated 7/10 on the CVSS scale. An issue was discovered in the Linux kernel before 5.0.4. There is a use-after-free upon attempted read access to /proc/ioports after the ipmi_si module is removed, related to drivers/char/ipmi/ipmi_si_intf.c, drivers/char/ipmi/ipmi_si_mem_io.c, and drivers/char/ipmi/ipmi_si_port_io.c.. EPSS estimates a 0.45% chance of exploitation in the next 30 days.

Description

An issue was discovered in the Linux kernel before 5.0.4. There is a use-after-free upon attempted read access to /proc/ioports after the ipmi_si module is removed, related to drivers/char/ipmi/ipmi_si_intf.c, drivers/char/ipmi/ipmi_si_mem_io.c, and drivers/char/ipmi/ipmi_si_port_io.c.

Metrics

CVSS 3.1

7/10

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

EPSS Probability

0.45%

36.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	>= 4.18, < 4.19.31
Linux	Linux Kernel	>= 4.20, < 5.0.4
Opensuse	Leap	15.1
Redhat	Enterprise Linux	7.0
Redhat	Enterprise Linux Aus	7.6
Redhat	Enterprise Linux Desktop	7.0
Redhat	Enterprise Linux Server	7.0
Redhat	Enterprise Linux Server Aus	7.4
Redhat	Enterprise Linux Server Tus	7.4
Redhat	Enterprise Linux Server Tus	7.6
Redhat	Enterprise Linux Workstation	7.0

References

http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00071.htmlThird Party Advisory
http://www.securityfocus.com/bid/108410Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2019:1873Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:1891Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:1959Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:1971Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:4057Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:4058Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0036Third Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.4Release Notes, Vendor Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=401e7e88d4ef80188ffa07095ac00456f901b8c4Patch, Vendor Advisory
https://github.com/torvalds/linux/commit/401e7e88d4ef80188ffa07095ac00456f901b8c4Patch, Third Party Advisory
https://security.netapp.com/advisory/ntap-20190719-0003/Third Party Advisory
https://support.f5.com/csp/article/K01512680Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00071.htmlThird Party Advisory
http://www.securityfocus.com/bid/108410Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2019:1873Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:1891Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:1959Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:1971Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:4057Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:4058Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0036Third Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.4Release Notes, Vendor Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=401e7e88d4ef80188ffa07095ac00456f901b8c4Patch, Vendor Advisory
https://github.com/torvalds/linux/commit/401e7e88d4ef80188ffa07095ac00456f901b8c4Patch, Third Party Advisory
https://security.netapp.com/advisory/ntap-20190719-0003/Third Party Advisory
https://support.f5.com/csp/article/K01512680Third Party Advisory

Timeline

Published: May 7, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-11811?

How severe is CVE-2019-11811?

CVE-2019-11811 has a CVSS score of 7/10 (HIGH severity). The EPSS model estimates a 0.45% probability of exploitation in the next 30 days.

How do I fix CVE-2019-11811?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-11811?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST