Description
DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: CVE-2021-38208. Reason: This candidate is a reservation duplicate of CVE-2021-38208. Notes: All CVE users should reference CVE-2021-38208 instead of this candidate. All references and descriptions in this candidate have been removed to prevent accidental usage.
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.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | linux | 5.4.0-81.91 | USN-5045-1 |
| Ubuntu 20.04 LTS | linux-aws | 5.4.0-1055.58 | USN-5045-1 |
| Ubuntu 20.04 LTS | linux-aws-5.8 | 5.8.0-1042.44~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-azure | 5.4.0-1056.58 | USN-5045-1 |
| Ubuntu 20.04 LTS | linux-azure-5.8 | 5.8.0-1040.43~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-gcp | 5.4.0-1051.55 | USN-5045-1 |
| Ubuntu 20.04 LTS | linux-gcp-5.8 | 5.8.0-1039.41 | — |
| Ubuntu 20.04 LTS | linux-gke | 5.4.0-1051.54 | USN-5045-1 |
| Ubuntu 20.04 LTS | linux-gkeop | 5.4.0-1022.23 | USN-5045-1 |
| Ubuntu 20.04 LTS | linux-hwe-5.11 | 5.11.0-27.29~20.04.1 | USN-5046-1 |
| Ubuntu 20.04 LTS | linux-kvm | 5.4.0-1045.47 | USN-5045-1 |
| Ubuntu 20.04 LTS | linux-oem-5.10 | 5.10.0-1038.40 | USN-5015-1 |
| Ubuntu 20.04 LTS | linux-oracle | 5.4.0-1053.57 | USN-5045-1 |
| Ubuntu 20.04 LTS | linux-oracle-5.8 | 5.8.0-1038.39~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-raspi | 5.4.0-1042.46 | USN-5045-1 |
| Ubuntu 20.04 LTS | linux-riscv +1 | No fix yet | — |
| Ubuntu 18.04 LTS | linux | 4.15.0-154.161 | USN-5044-1 |
| Ubuntu 18.04 LTS | linux-aws | 4.15.0-1110.117 | USN-5044-1 |
| Ubuntu 18.04 LTS | linux-aws-5.4 | 5.4.0-1055.58~18.04.1 | USN-5045-1 |
| Ubuntu 18.04 LTS | linux-azure-4.15 | 4.15.0-1122.135 | USN-5044-1 |
| Ubuntu 18.04 LTS | linux-azure-5.4 | 5.4.0-1056.58~18.04.1 | USN-5045-1 |
| Ubuntu 18.04 LTS | linux-gcp +13 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gcp-4.15 | 4.15.0-1107.121 | USN-5044-1 |
| Ubuntu 18.04 LTS | linux-gcp-5.4 | 5.4.0-1051.55~18.04.1 | USN-5045-1 |
| Ubuntu 18.04 LTS | linux-gke-5.4 | 5.4.0-1051.54~18.04.1 | USN-5045-1 |
| Ubuntu 18.04 LTS | linux-gkeop-5.4 | 5.4.0-1022.23~18.04.1 | USN-5045-1 |
| Ubuntu 18.04 LTS | linux-hwe-5.4 | 5.4.0-81.91~18.04.1 | USN-5045-1 |
| Ubuntu 18.04 LTS | linux-kvm | 4.15.0-1098.100 | USN-5044-1 |
| Ubuntu 18.04 LTS | linux-oracle | 4.15.0-1079.87 | USN-5044-1 |
| Ubuntu 18.04 LTS | linux-oracle-5.4 | 5.4.0-1053.57~18.04.1 | USN-5045-1 |
| Ubuntu 18.04 LTS | linux-raspi-5.4 | 5.4.0-1042.46~18.04.3 | USN-5045-1 |
| Ubuntu 18.04 LTS | linux-raspi2 | 4.15.0-1094.100 | USN-5044-1 |
| Ubuntu 18.04 LTS | linux-snapdragon | 4.15.0-1111.120 | USN-5044-1 |
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | linux-aws-hwe | 4.15.0-1110.117~16.04.1 | USN-5044-1 |
| Ubuntu Pro 16.04 LTS | linux-azure | 4.15.0-1122.135~16.04.1 | USN-5044-1 |
| Ubuntu Pro 16.04 LTS | linux-gcp | 4.15.0-1107.121~16.04.1 | USN-5044-1 |
| Ubuntu Pro 16.04 LTS | linux-hwe | 4.15.0-154.161~16.04.1 | USN-5044-1 |
| Ubuntu Pro 16.04 LTS | linux-oracle | 4.15.0-1079.87~16.04.1 | USN-5044-1 |
| Ubuntu Pro 14.04 LTS | linux +2 | No fix yet | — |
| Ubuntu Pro 14.04 LTS | linux-azure | 4.15.0-1122.135~14.04.1 | USN-5044-1 |
Advisories 4
- USN-5044-1 linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-gcp, linux-gcp-4.15, linux-hwe, linux-kvm, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities Ubuntu Security Notices (USN) · Jun 29, 2026
- USN-5015-1 linux-oem-5.10 vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- USN-5046-1 linux, linux-aws, linux-azure, linux-gcp, linux-hwe-5.11, linux-kvm, linux-oracle, linux-raspi vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- USN-5045-1 linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-gcp, linux-gcp-5.4, linux-gke, linux-gke-5.4, linux-gkeop, linux-gkeop-5.4, linux-hwe-5.4, linux-kvm, linux-oracle, linux-oracle-5.4, linux-raspi, linux-raspi-5.4 vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026