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Fencer Vulns
high 7.0

CVE-2019-11811 json

An issue was discovered in the Linux kernel before 5.0.4.

published 2019-05-07 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-3477

cvss
7.0
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 39%
public exploits
0
none known

Summary

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.

Patch / fix

  • linux linux_kernel 4.19.31, 5.0.4
  • linux Debian 14, Debian 13, Debian 12 4.19.37-1

debian advisories DEBIAN-CVE-2019-11811

  • linux-hwe Ubuntu 18.04 LTS 5.0.0-23.24~18.04.1

ubuntu advisories UBUNTU-CVE-2019-11811

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • kernel-alt RHEL 7 4.14.0-115.26.1.el7a
  • perf RHEL 7 4.14.0-115.26.1.el7a
  • kernel RHEL 7 4.14.0-115.26.1.el7a
  • python-perf RHEL 7 4.14.0-115.26.1.el7a
  • kernel-tools RHEL 7 4.14.0-115.26.1.el7a
  • kernel-tools-libs RHEL 7 4.14.0-115.26.1.el7a
  • kernel-bootwrapper RHEL 7 4.14.0-115.26.1.el7a
  • kernel-abi-whitelists RHEL 7 4.14.0-115.26.1.el7a

red hat advisories RHSA-2020:2854RHSA-2019:4058RHSA-2020:0036RHSA-2019:4057RHSA-2019:1891RHSA-2019:1873

  • kernel-source-rt Real Time Module 15 SP1 4.12.14-14.8.1
  • kernel-rt Real Time Module 15 SP1 4.12.14-14.8.1
  • kernel-syms-rt Real Time Module 15 SP1 4.12.14-14.8.1
  • kernel-rt_debug Real Time Module 15 SP1 4.12.14-14.8.1
  • kernel-syms SLE Module for Development Tools 15 SP1 4.12.14-197.4.1
  • kernel-source SLE Module for Development Tools 15 SP1, SLE Module for Basesystem 15 SP1 4.12.14-197.4.1
  • kernel-default SLE Workstation Extension 15 SP1, SLE Module for Legacy 15 SP1, SLE Module for Basesystem 15 SP1 +2 more 4.12.14-197.4.1
  • kernel-zfcpdump SLE Module for Basesystem 15 SP1 4.12.14-197.4.1

suse advisories SUSE-SU-2019:2430-1SUSE-SU-2019:1550-1

  • kernel-syms openSUSE Leap 15.1 4.12.14-lp151.28.4.1
  • kernel-obs-qa openSUSE Leap 15.1 4.12.14-lp151.28.4.1
  • kernel-source openSUSE Leap 15.1 4.12.14-lp151.28.4.1
  • kernel-default openSUSE Leap 15.1 4.12.14-lp151.28.4.1
  • kernel-vanilla openSUSE Leap 15.1 4.12.14-lp151.28.4.1
  • kernel-kvmsmall openSUSE Leap 15.1 4.12.14-lp151.28.4.1
  • kernel-obs-build openSUSE Leap 15.1 4.12.14-lp151.28.4.1

opensuse advisories openSUSE-SU-2019:1479-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2019-11811 updated cvss 7.0

kernel: use-after-free in drivers/char/ipmi/ipmi_si_intf.c, ipmi_si_mem_io.c, ipmi_si_port_io.c

  • Red Hat CodeReady Linux Builder (v. 8) kernel-debuginfo-common-x86_64 4.18.0-80.7.1.el8_0, kernel-debuginfo-common-aarch64 4.18.0-80.7.1.el8_0, kernel-debuginfo-common-ppc64le 4.18.0-80.7.1.el8_0 Red Hat Enterprise Linux BaseOS (v. 8) perf 4.18.0-80.7.1.el8_0, kernel 4.18.0-80.7.1.el8_0, bpftool 4.18.0-80.7.1.el8_0, kernel-core 4.18.0-80.7.1.el8_0, kernel-tools 4.18.0-80.7.1.el8_0, python3-perf 4.18.0-80.7.1.el8_0, +15 more
    fixed: vendor fix RHSA-2019:1959
  • Red Hat Enterprise Linux Client (v. 7) perf 3.10.0-957.27.2.el7, kernel 3.10.0-957.27.2.el7, bpftool 3.10.0-957.27.2.el7, python-perf 3.10.0-957.27.2.el7, kernel-tools 3.10.0-957.27.2.el7, kernel-tools-libs 3.10.0-957.27.2.el7, +2 more Red Hat Enterprise Linux Client Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-957.27.2.el7 Red Hat Enterprise Linux ComputeNode (v. 7) perf 3.10.0-957.27.2.el7, kernel 3.10.0-957.27.2.el7, bpftool 3.10.0-957.27.2.el7, python-perf 3.10.0-957.27.2.el7, kernel-tools 3.10.0-957.27.2.el7, kernel-tools-libs 3.10.0-957.27.2.el7, +2 more
    fixed: vendor fix RHSA-2019:1873
  • Red Hat Enterprise Linux ComputeNode EUS (v. 7.5) perf 3.10.0-862.46.1.el7, kernel 3.10.0-862.46.1.el7, python-perf 3.10.0-862.46.1.el7, kernel-tools 3.10.0-862.46.1.el7, kernel-tools-libs 3.10.0-862.46.1.el7, kernel-abi-whitelists 3.10.0-862.46.1.el7, +1 more
    fixed: vendor fix RHSA-2020:0036
  • Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-957.27.2.el7
    fixed: vendor fix RHSA-2019:1873
  • Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.5) kernel-debuginfo-common-x86_64 3.10.0-862.46.1.el7
    fixed: vendor fix RHSA-2020:0036
  • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) perf 4.14.0-115.26.1.el7a, kernel 4.14.0-115.26.1.el7a, kernel-alt 4.14.0-115.26.1.el7a, python-perf 4.14.0-115.26.1.el7a, kernel-tools 4.14.0-115.26.1.el7a, kernel-tools-libs 4.14.0-115.26.1.el7a, +3 more Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) kernel-debuginfo-common-ppc64le 4.14.0-115.26.1.el7a
    fixed: vendor fix RHSA-2020:2854
  • Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt 3.10.0-957.27.2.rt56.940.el7, kernel-rt-kvm 3.10.0-957.27.2.rt56.940.el7, kernel-rt-trace 3.10.0-957.27.2.rt56.940.el7, kernel-rt-debug-kvm 3.10.0-957.27.2.rt56.940.el7, kernel-rt-trace-kvm 3.10.0-957.27.2.rt56.940.el7, kernel-rt-debuginfo-common-x86_64 3.10.0-957.27.2.rt56.940.el7
    fixed: vendor fix RHSA-2019:1891
  • Red Hat Enterprise Linux Real Time (v. 8) kernel-rt 4.18.0-80.7.1.rt9.153.el8_0, kernel-rt-core 4.18.0-80.7.1.rt9.153.el8_0, kernel-rt-modules 4.18.0-80.7.1.rt9.153.el8_0, kernel-rt-debug-core 4.18.0-80.7.1.rt9.153.el8_0, kernel-rt-debug-modules 4.18.0-80.7.1.rt9.153.el8_0, kernel-rt-modules-extra 4.18.0-80.7.1.rt9.153.el8_0, +2 more Red Hat Enterprise Linux Real Time for NFV (v. 8) kernel-rt 4.18.0-80.7.1.rt9.153.el8_0, kernel-rt-kvm 4.18.0-80.7.1.rt9.153.el8_0, kernel-rt-core 4.18.0-80.7.1.rt9.153.el8_0, kernel-rt-modules 4.18.0-80.7.1.rt9.153.el8_0, kernel-rt-debug-kvm 4.18.0-80.7.1.rt9.153.el8_0, kernel-rt-debug-core 4.18.0-80.7.1.rt9.153.el8_0, +4 more
    fixed: vendor fix RHSA-2019:1971
show 11 more
  • Red Hat Enterprise Linux Realtime (v. 7) kernel-rt 3.10.0-957.27.2.rt56.940.el7, kernel-rt-trace 3.10.0-957.27.2.rt56.940.el7, kernel-rt-debuginfo-common-x86_64 3.10.0-957.27.2.rt56.940.el7
    fixed: vendor fix RHSA-2019:1891
  • Red Hat Enterprise Linux Server (v. 7) perf 3.10.0-957.27.2.el7, kernel 3.10.0-957.27.2.el7, bpftool 3.10.0-957.27.2.el7, python-perf 3.10.0-957.27.2.el7, kernel-kdump 3.10.0-957.27.2.el7, kernel-tools 3.10.0-957.27.2.el7, +7 more
    fixed: vendor fix RHSA-2019:1873
  • Red Hat Enterprise Linux Server AUS (v. 7.4) perf 3.10.0-693.61.1.el7, kernel 3.10.0-693.61.1.el7, python-perf 3.10.0-693.61.1.el7, kernel-tools 3.10.0-693.61.1.el7, kernel-tools-libs 3.10.0-693.61.1.el7, kernel-abi-whitelists 3.10.0-693.61.1.el7, +1 more Red Hat Enterprise Linux Server E4S (v. 7.4) perf 3.10.0-693.61.1.el7, kernel 3.10.0-693.61.1.el7, python-perf 3.10.0-693.61.1.el7, kernel-tools 3.10.0-693.61.1.el7, kernel-tools-libs 3.10.0-693.61.1.el7, kernel-bootwrapper 3.10.0-693.61.1.el7, +3 more
    fixed: vendor fix RHSA-2019:4058
  • Red Hat Enterprise Linux Server EUS (v. 7.5) perf 3.10.0-862.46.1.el7, kernel 3.10.0-862.46.1.el7, python-perf 3.10.0-862.46.1.el7, kernel-kdump 3.10.0-862.46.1.el7, kernel-tools 3.10.0-862.46.1.el7, kernel-tools-libs 3.10.0-862.46.1.el7, +6 more
    fixed: vendor fix RHSA-2020:0036
  • Red Hat Enterprise Linux Server Optional (v. 7) kernel-debuginfo-common-ppc64 3.10.0-957.27.2.el7, kernel-debuginfo-common-x86_64 3.10.0-957.27.2.el7, kernel-debuginfo-common-ppc64le 3.10.0-957.27.2.el7
    fixed: vendor fix RHSA-2019:1873
  • Red Hat Enterprise Linux Server Optional AUS (v. 7.4) kernel-debuginfo-common-x86_64 3.10.0-693.61.1.el7 Red Hat Enterprise Linux Server Optional E4S (v. 7.4) kernel-debuginfo-common-x86_64 3.10.0-693.61.1.el7, kernel-debuginfo-common-ppc64le 3.10.0-693.61.1.el7
    fixed: vendor fix RHSA-2019:4058
  • Red Hat Enterprise Linux Server Optional EUS (v. 7.5) kernel-debuginfo-common-ppc64 3.10.0-862.46.1.el7, kernel-debuginfo-common-x86_64 3.10.0-862.46.1.el7, kernel-debuginfo-common-ppc64le 3.10.0-862.46.1.el7
    fixed: vendor fix RHSA-2020:0036
  • Red Hat Enterprise Linux Server Optional TUS (v. 7.4) kernel-debuginfo-common-x86_64 3.10.0-693.61.1.el7 Red Hat Enterprise Linux Server TUS (v. 7.4) perf 3.10.0-693.61.1.el7, kernel 3.10.0-693.61.1.el7, python-perf 3.10.0-693.61.1.el7, kernel-tools 3.10.0-693.61.1.el7, kernel-tools-libs 3.10.0-693.61.1.el7, kernel-abi-whitelists 3.10.0-693.61.1.el7, +1 more
    fixed: vendor fix RHSA-2019:4058
  • Red Hat Enterprise Linux Workstation (v. 7) perf 3.10.0-957.27.2.el7, kernel 3.10.0-957.27.2.el7, bpftool 3.10.0-957.27.2.el7, python-perf 3.10.0-957.27.2.el7, kernel-tools 3.10.0-957.27.2.el7, kernel-tools-libs 3.10.0-957.27.2.el7, +2 more Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-957.27.2.el7
    fixed: vendor fix RHSA-2019:1873
  • Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt 3.10.0-693.61.1.rt56.656.el6rt, kernel-rt-trace 3.10.0-693.61.1.rt56.656.el6rt, kernel-rt-vanilla 3.10.0-693.61.1.rt56.656.el6rt, kernel-rt-firmware 3.10.0-693.61.1.rt56.656.el6rt, kernel-rt-debuginfo-common-x86_64 3.10.0-693.61.1.rt56.656.el6rt
    fixed: vendor fix RHSA-2019:4057
  • Red Hat Enterprise Linux 5 kernel Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) kernel-headers 4.14.0-115.26.1.el7a
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.45% chance of exploitation in the next 30 days, higher than 39% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.9 AV:L/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.