Description
The swiotlb_print_info function in lib/swiotlb.c in the Linux kernel through 4.14.14 allows local users to obtain sensitive address information by reading dmesg data from a "software IO TLB" 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 8 | linux | 3.16.64-1 | DLA-1731-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | linux-gcp-6.11 +2 | No fix yet | — |
| Ubuntu 22.04 LTS | linux-riscv +2 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-azure-fde | No fix yet | — |
| Ubuntu 18.04 LTS | linux-snapdragon | 4.15.0-1053.57 | — |
| Ubuntu 16.04 LTS | linux | 4.4.0-143.169 | — |
| Ubuntu 16.04 LTS | linux-aws | 4.4.0-1077.87 | — |
| 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 | 4.4.0-1041.47 | — |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | linux-aws | 4.4.0-1039.42 | — |
| Ubuntu 14.04 LTS | linux-lts-xenial | 4.4.0-143.169~14.04.2 | — |
| Ubuntu Pro FIPS-updates 16.04 LTS | linux-fips | 4.4.0-1008.10 | — |
| Ubuntu Pro 20.04 LTS | linux-azure-fde-5.15 | No fix yet | — |
| Ubuntu Pro 14.04 LTS | linux | No fix yet | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | dtrace-modules-3.8.13-118.44.1.el6uek | 0.4.5-3.el6 | ELSA-2020-5644 |
| Oracle Linux 7 | dtrace-modules-3.8.13-118.44.1.el7uek | 0.4.5-3.el7 | ELSA-2020-5644 |
| Oracle Linux 7 | kernel-uek +5 | 3.8.13-118.44.1.el7uek | ELSA-2020-5649, ELSA-2020-5644, ELSA-2020-5642 |
| Oracle Linux 7 | perf +5 | 4.14.35-1902.301.1.el7uek | ELSA-2020-5649 |
Advisories 4
- DLA-1731-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- ELSA-2020-5649 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Apr 13, 2020
- ELSA-2020-5644 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Apr 10, 2020
- ELSA-2020-5642 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Apr 8, 2020
References
- https://github.com/johnsonwangqize/cve-linux/blob/master/%20CVE-2018-5953.md
- 105045 vdb-entry
- [debian-lts-announce] 20190327 [SECURITY] [DLA 1731-1] linux security update mailing-list
- [debian-lts-announce] 20190401 [SECURITY] [DLA 1731-2] linux regression update mailing-list
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7d63fb3af87aa67aa7d24466e792f9d7c57d8e79