Description
The acpi_smbus_hc_add function in drivers/acpi/sbshc.c in the Linux kernel through 4.14.15 allows local users to obtain sensitive address information by reading dmesg data from an SBS HC printk call.
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 | 4.15.4-1 | — |
| Debian 13 | linux | 4.15.4-1 | — |
| Debian 12 | linux | 4.15.4-1 | — |
| Debian 9 | linux | 4.9.82-1+deb9u2 | DSA-4120-1 |
| Debian 8 | linux | 3.16.56-1 | DSA-4187-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 7 | linux | 3.2.101-1 | DLA-1369-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | linux-raspi-realtime | No fix yet | — |
| Ubuntu 22.04 LTS | linux-riscv +2 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-gke +3 | No fix yet | — |
| Ubuntu 16.04 LTS | linux | 4.4.0-121.145 | USN-3631-1 |
| Ubuntu 16.04 LTS | linux-aws | 4.4.0-1055.64 | USN-3631-1 |
| Ubuntu 16.04 LTS | linux-azure | 4.15.0-1013.13~16.04.2 | — |
| Ubuntu 16.04 LTS | linux-gcp | 4.15.0-1014.14~16.04.1 | — |
| Ubuntu 16.04 LTS | linux-hwe | 4.15.0-24.26~16.04.1 | — |
| Ubuntu 16.04 LTS | linux-kvm | 4.4.0-1021.26 | USN-3631-1 |
| Ubuntu 16.04 LTS | linux-oem | 4.13.0-1031.35 | USN-3697-2 |
| Ubuntu 16.04 LTS | linux-raspi2 | 4.4.0-1087.95 | USN-3631-1 |
| Ubuntu 16.04 LTS | linux-snapdragon | 4.4.0-1090.95 | USN-3631-1 |
| Ubuntu 14.04 LTS | linux | 3.13.0-153.203 | USN-3698-1 |
| Ubuntu 14.04 LTS | linux-aws | 4.4.0-1017.17 | USN-3631-2 |
| Ubuntu 14.04 LTS | linux-lts-xenial | 4.4.0-121.145~14.04.1 | USN-3631-2 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro FIPS-updates 16.04 LTS | linux-fips | 4.4.0-1008.10 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | kernel-alt | 4.14.0-115.el7a | RHSA-2018:2948 |
| RHEL 7 | kernel-rt +10 | 3.10.0-862.rt56.804.el7 | RHSA-2018:0676 |
| RHEL 7 | perf +18 | 3.10.0-862.el7 | RHSA-2018:2948, RHSA-2018:1062 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | perf +8 | 4.9.81-44.57.amzn2 | ALAS2-2018-956 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | dtrace-modules-3.8.13-118.23.1.el6uek | 0.4.5-3.el6 | ELSA-2018-4193 |
| Oracle Linux 7 | dtrace-modules-3.8.13-118.23.1.el7uek | 0.4.5-3.el7 | ELSA-2018-4193 |
| Oracle Linux 7 | kernel-uek +5 | 3.8.13-118.23.1.el7uek | ELSA-2018-4193, ELSA-2018-4114 |
| Oracle Linux 7 | perf +11 | 3.10.0-862.el7 | ELSA-2018-1062 |
Advisories 15
- RHSA-2018:2948 Red Hat Security Advisory: kernel-alt security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jul 1, 2026
- RHSA-2018:1062 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2018:0676 Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- USN-3698-1 linux vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- USN-3631-1 linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DSA-4120-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-4187-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1369-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-3697-2 linux-oem vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- USN-3631-2 linux-lts-xenial, linux-aws vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- WID-SEC-2022-0532 Linux Kernel: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 11, 2025
- ELSA-2018-4193 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Aug 9, 2018
- ELSA-2018-4114 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · May 22, 2018
- ELSA-2018-1062 Important: kernel security, bug fix, and enhancement update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Apr 16, 2018
- ALAS2-2018-956 Important: kernel security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Feb 21, 2018
References
- USN-3631-2 vendor-advisory
- DSA-4187 vendor-advisory
- 1040319 vdb-entry
- USN-3631-1 vendor-advisory
- DSA-4120 vendor-advisory
- USN-3697-1 vendor-advisory
- RHSA-2018:1062 vendor-advisory
- RHSA-2018:2948 vendor-advisory
- USN-3697-2 vendor-advisory
- RHSA-2018:0676 vendor-advisory
- https://patchwork.kernel.org/patch/10174835/
- USN-3698-1 vendor-advisory
- [debian-lts-announce] 20180502 [SECURITY] [DLA 1369-1] linux security update mailing-list
- USN-3698-2 vendor-advisory