Vulnerability · Published Aug 26, 2022 · Assigned by redhat
CVE-2022-0171
Medium 5.5
In plain English
A medium-severity security flaw in kernel. 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 23% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.3%top 77.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A flaw was found in the Linux kernel. The existing KVM SEV API has a vulnerability that allows a non-root (host) user-level application to crash the host kernel by creating a confidential guest VM instance in AMD CPU that supports Secure Encrypted Virtualization (SEV).
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 5.18.2-1 | DEBIAN-CVE-2022-0171 |
| Debian:13 | linux | 5.18.2-1 | DEBIAN-CVE-2022-0171 |
| Debian:14 | linux | 5.18.2-1 | DEBIAN-CVE-2022-0171 |
| Ubuntu:22.04:LTS | linux | 5.15.0-57.63 | USN-5792-1 |
| Ubuntu:22.04:LTS | linux | 5.15.0-57.63 | UBUNTU-CVE-2022-0171 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1027.31 | USN-5792-2 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1027.31 | UBUNTU-CVE-2022-0171 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1030.37 | UBUNTU-CVE-2022-0171 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1030.37 | USN-5792-2 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1030.37.1 | USN-5792-2 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1030.37.1 | UBUNTU-CVE-2022-0171 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1026.33 | USN-5792-1 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1026.33 | UBUNTU-CVE-2022-0171 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1024.29 | USN-5792-1 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1024.29 | UBUNTU-CVE-2022-0171 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1012.16 | UBUNTU-CVE-2022-0171 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1012.16 | USN-5792-1 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1022.25 | UBUNTU-CVE-2022-0171 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1022.25 | USN-5792-1 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2022-0171 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1023.28 | UBUNTU-CVE-2022-0171 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1025.30 | USN-5792-1 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1025.30 | UBUNTU-CVE-2022-0171 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-57.63 | USN-5792-1 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-57.63 | UBUNTU-CVE-2022-0171 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1015.15 | UBUNTU-CVE-2022-0171 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2022-0171 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1026.32 | USN-5792-1 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1026.32 | UBUNTU-CVE-2022-0171 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1022.24 | USN-5792-1 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1022.24 | UBUNTU-CVE-2022-0171 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2022-0171 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2022-0171 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2022-0171 |
Affected products (as reported)
Weakness: CWE-459
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2038940
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=683412ccf61294d727ead4a73d97397396e69a6b
- https://access.redhat.com/security/cve/CVE-2022-0171
- DSA-5257 vendor-advisory
- [debian-lts-announce] 20221101 [SECURITY] [DLA 3173-1] linux-5.10 security update mailing-list
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html