Vulnerability · Published Feb 14, 2023 · Assigned by AMD
CVE-2022-27672
Medium 4.7
In plain English
A medium-severity security flaw in 1st Gen AMD EPYC™ Processors from AMD. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)4.7Medium
Exploit odds (30 days)0.3%top 79.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
When SMT is enabled, certain AMD processors may speculatively execute instructions using a target from the sibling thread after an SMT mode switch potentially resulting in information disclosure.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | xen | 4.17.0-r2 | ALPINE-CVE-2022-27672 |
| Alpine:v3.21 | xen | 4.17.0-r2 | ALPINE-CVE-2022-27672 |
| Alpine:v3.22 | xen | 4.17.0-r2 | ALPINE-CVE-2022-27672 |
| Alpine:v3.23 | xen | 4.17.0-r2 | ALPINE-CVE-2022-27672 |
| Alpine:v3.24 | xen | 4.17.0-r2 | ALPINE-CVE-2022-27672 |
| Debian:12 | linux | 6.1.12-1 | DEBIAN-CVE-2022-27672 |
| Debian:13 | linux | 6.1.12-1 | DEBIAN-CVE-2022-27672 |
| Debian:14 | linux | 6.1.12-1 | DEBIAN-CVE-2022-27672 |
| Debian:12 | xen | 4.17.0+46-gaaf74a532c-1 | DEBIAN-CVE-2022-27672 |
| Debian:13 | xen | 4.17.0+46-gaaf74a532c-1 | DEBIAN-CVE-2022-27672 |
| Debian:14 | xen | 4.17.0+46-gaaf74a532c-1 | DEBIAN-CVE-2022-27672 |
| Ubuntu:22.04:LTS | linux | 5.15.0-72.79 | USN-6080-1 |
| Ubuntu:22.04:LTS | linux | 5.15.0-72.79 | UBUNTU-CVE-2022-27672 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | 5.19.0-1012.12~22.04.1 | UBUNTU-CVE-2022-27672 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1036.40 | USN-6080-1 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1036.40 | UBUNTU-CVE-2022-27672 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1038.45 | UBUNTU-CVE-2022-27672 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1038.45 | USN-6080-1 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | 5.19.0-1026.29~22.04.1 | UBUNTU-CVE-2022-27672 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | 5.19.0-1026.29~22.04.1 | USN-6079-1 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1038.45.1 | UBUNTU-CVE-2022-27672 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1038.45.1 | USN-6080-1 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1034.42 | USN-6090-1 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1034.42 | UBUNTU-CVE-2022-27672 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1033.38 | UBUNTU-CVE-2022-27672 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1033.38 | USN-6090-1 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1020.25 | USN-6090-1 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1020.25 | UBUNTU-CVE-2022-27672 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | 5.19.0-42.43~22.04.1 | USN-6096-1 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | 5.19.0-42.43~22.04.1 | UBUNTU-CVE-2022-27672 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1030.33 | UBUNTU-CVE-2022-27672 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1030.33 | USN-6080-1 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1030.35 | USN-6133-1 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1030.35 | UBUNTU-CVE-2022-27672 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1033.38 | USN-6080-1 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1033.38 | UBUNTU-CVE-2022-27672 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-72.79 | UBUNTU-CVE-2022-27672 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-72.79 | USN-6080-1 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1025.25 | UBUNTU-CVE-2022-27672 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2022-27672 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | 6.0.0-1021.21 | USN-6385-1 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | 6.0.0-1021.21 | UBUNTU-CVE-2022-27672 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | 6.1.0-1008.8 | USN-5978-1 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | 6.1.0-1008.8 | UBUNTU-CVE-2022-27672 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1035.41 | UBUNTU-CVE-2022-27672 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1035.41 | USN-6080-1 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1029.31 | USN-6085-1 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1029.31 | UBUNTU-CVE-2022-27672 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2022-27672 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2022-27672 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2022-27672 |
| Ubuntu:22.04:LTS | xen | no fix listed | UBUNTU-CVE-2022-27672 |
| Ubuntu:24.04:LTS | xen | no fix listed | UBUNTU-CVE-2022-27672 |
| Ubuntu:25.10 | xen | no fix listed | UBUNTU-CVE-2022-27672 |
| Ubuntu:26.04:LTS | xen | no fix listed | UBUNTU-CVE-2022-27672 |
| Ubuntu:26.10 | xen | no fix listed | UBUNTU-CVE-2022-27672 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| AMD | 1st Gen AMD EPYC™ Processors | Contact your OS vendor |
| AMD | 2nd Gen AMD EPYC™ Processors | Contact your OS vendor |
| AMD | Athlon™ X4 Processor | Contact your OS vendor |
| AMD | Ryzen™ Threadripper™ PRO Processor | Contact your OS vendor |
| AMD | 2nd Gen AMD Ryzen™ Threadripper™ Processors | Contact your OS vendor |
| AMD | 3rd Gen AMD Ryzen™ Threadripper™ Processors | Contact your OS vendor |
| AMD | 7th Generation AMD A-Series APUs | Contact your OS vendor |
| AMD | Ryzen™ 2000 Series Processors | Contact your OS vendor |
| AMD | Ryzen™ 3000 Series Processors | Contact your OS vendor |
| AMD | Ryzen™ 4000 Series Processors | Contact your OS vendor |
| AMD | Ryzen™ 5000 Series Processors | Contact your OS vendor |
| AMD | Athlon™ Mobile Processors | Contact your OS vendor |