CVE-2019-11811

HIGH

Linux kernel <5.0.4 - Use After Free

Title source: llm
STIX 2.1

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.

References (14)

Core 14
Core References
Release Notes, Vendor Advisory x_refsource_misc
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.4
Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00071.html
Third Party Advisory x_refsource_confirm
https://support.f5.com/csp/article/K01512680
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20190719-0003/
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/108410
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:1873
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:1891
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:1959
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:1971
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:4058
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:4057
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2020:0036

Scores

CVSS v3 7.0
EPSS 0.0007
EPSS Percentile 20.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-416
Status published
Products (10)
linux/linux_kernel 4.18 - 4.19.31
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
Published May 07, 2019
Tracked Since Feb 18, 2026