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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | linux | 4.19.37-1 | — |
| Debian 13 | linux | 4.19.37-1 | — |
| Debian 12 | linux | 4.19.37-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | linux-hwe | 5.0.0-23.24~18.04.1 | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 14.04 LTS | linux +2 | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | kernel-rt +12 | 4.18.0-80.7.1.rt9.153.el8_0 | RHSA-2019:1971 |
| RHEL 8 | perf +26 | 4.18.0-80.7.1.el8_0 | RHSA-2019:1959 |
| RHEL 7 | kernel-alt | 4.14.0-115.26.1.el7a | RHSA-2020:2854 |
| RHEL 7 | kernel-rt +10 | 3.10.0-957.27.2.rt56.940.el7 | RHSA-2019:1891 |
| RHEL 7 | perf +19 | 3.10.0-957.27.2.el7 | RHSA-2020:2854, RHSA-2019:1873 |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7.5 EUS | perf +18 | 3.10.0-862.46.1.el7 | RHSA-2020:0036 |
| RHEL 7.4 TUS | perf +12 | 3.10.0-693.61.1.el7 | RHSA-2019:4058 |
| RHEL 7.4 E4S | perf +14 | 3.10.0-693.61.1.el7 | RHSA-2019:4058 |
| RHEL 7.4 AUS | perf +12 | 3.10.0-693.61.1.el7 | RHSA-2019:4058 |
| Red Hat MRG 2 | kernel-rt +10 | 1:3.10.0-693.61.1.rt56.656.el6rt | RHSA-2019:4057 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP1 | kernel-docs +5 | 4.12.14-197.4.1 | SUSE-SU-2019:1550-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLE Live Patching 15 SP1 | kernel-default | 4.12.14-197.4.1 | SUSE-SU-2019:1550-1 |
| SLE Live Patching 15 SP1 | kernel-livepatch-SLE15-SP1_Update_1 | 1-3.3.1 | SUSE-SU-2019:1550-1 |
| SUSE Real Time Module 15 SP1 | kernel-rt +3 | 4.12.14-14.8.1 | SUSE-SU-2019:2430-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.1 | kernel-docs +8 | 4.12.14-lp151.28.4.1 | openSUSE-SU-2019:1479-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | perf +19 | 4.18.0-80.7.1.el8_0 | ELSA-2019-1959 |
| Oracle Linux 7 | perf +12 | 3.10.0-957.27.2.el7 | ELSA-2019-1873 |
Advisories 13
- RHSA-2019:1873 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Nov 13, 2026
- RHSA-2020:0036 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jul 1, 2026
- RHSA-2019:4058 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2019:4057 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2020:2854 Red Hat Security Advisory: kernel-alt security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2019:1971 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2019:1959 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2019:1891 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- openSUSE-SU-2019:1479-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:1550-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:2430-1 Security update for kernel-source-rt SUSE / openSUSE Security Updates · Feb 4, 2026
- ELSA-2019-1959 Important: kernel security, bug fix, and enhancement update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Aug 19, 2019
- ELSA-2019-1873 Important: kernel security, bug fix, and enhancement update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jul 30, 2019
References
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.4
- https://github.com/torvalds/linux/commit/401e7e88d4ef80188ffa07095ac00456f901b8c4
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=401e7e88d4ef80188ffa07095ac00456f901b8c4
- openSUSE-SU-2019:1479 vendor-advisory
- https://support.f5.com/csp/article/K01512680
- https://security.netapp.com/advisory/ntap-20190719-0003/
- 108410 vdb-entry
- RHSA-2019:1873 vendor-advisory
- RHSA-2019:1891 vendor-advisory
- RHSA-2019:1959 vendor-advisory
- RHSA-2019:1971 vendor-advisory
- RHSA-2019:4058 vendor-advisory
- RHSA-2019:4057 vendor-advisory
- RHSA-2020:0036 vendor-advisory