Vulnerability · Published Jun 15, 2022 · Assigned by intel
CVE-2022-21166
Medium 5.5
In plain English
A medium-severity security flaw in Intel(R) Processors. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 6.5% (higher than 94% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)6.5%top 6.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Incomplete cleanup in specific special register write operations for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | bpftool | 4.18.0-372.26.1.el8_6 | ALSA-2022:6460 |
| AlmaLinux:9 | bpftool | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:8 | kernel | 4.18.0-372.26.1.el8_6 | ALSA-2022:6460 |
| AlmaLinux:9 | kernel | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:8 | kernel-abi-stablelists | 4.18.0-372.26.1.el8_6 | ALSA-2022:6460 |
| AlmaLinux:9 | kernel-abi-stablelists | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:8 | kernel-core | 4.18.0-372.26.1.el8_6 | ALSA-2022:6460 |
| AlmaLinux:9 | kernel-core | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:8 | kernel-cross-headers | 4.18.0-372.26.1.el8_6 | ALSA-2022:6460 |
| AlmaLinux:9 | kernel-cross-headers | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:8 | kernel-debug | 4.18.0-372.26.1.el8_6 | ALSA-2022:6460 |
| AlmaLinux:9 | kernel-debug | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:8 | kernel-debug-core | 4.18.0-372.26.1.el8_6 | ALSA-2022:6460 |
| AlmaLinux:9 | kernel-debug-core | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:8 | kernel-debug-devel | 4.18.0-372.26.1.el8_6 | ALSA-2022:6460 |
| AlmaLinux:9 | kernel-debug-devel | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:9 | kernel-debug-devel-matched | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:8 | kernel-debug-modules | 4.18.0-372.26.1.el8_6 | ALSA-2022:6460 |
| AlmaLinux:9 | kernel-debug-modules | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:8 | kernel-debug-modules-extra | 4.18.0-372.26.1.el8_6 | ALSA-2022:6460 |
| AlmaLinux:9 | kernel-debug-modules-extra | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:8 | kernel-devel | 4.18.0-372.26.1.el8_6 | ALSA-2022:6460 |
| AlmaLinux:9 | kernel-devel | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:9 | kernel-devel-matched | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:8 | kernel-doc | 4.18.0-372.26.1.el8_6 | ALSA-2022:6460 |
| AlmaLinux:9 | kernel-doc | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:9 | kernel-headers | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:8 | kernel-modules | 4.18.0-372.26.1.el8_6 | ALSA-2022:6460 |
| AlmaLinux:9 | kernel-modules | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:8 | kernel-modules-extra | 4.18.0-372.26.1.el8_6 | ALSA-2022:6460 |
| AlmaLinux:9 | kernel-modules-extra | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:8 | kernel-rt | 4.18.0-372.26.1.rt7.183.el8_6 | ALSA-2022:6437 |
| AlmaLinux:9 | kernel-rt | 5.14.0-162.6.1.rt21.168.el9_1 | ALSA-2022:7933 |
| AlmaLinux:8 | kernel-rt-core | 4.18.0-372.26.1.rt7.183.el8_6 | ALSA-2022:6437 |
| AlmaLinux:9 | kernel-rt-core | 5.14.0-162.6.1.rt21.168.el9_1 | ALSA-2022:7933 |
| AlmaLinux:8 | kernel-rt-debug | 4.18.0-372.26.1.rt7.183.el8_6 | ALSA-2022:6437 |
| AlmaLinux:9 | kernel-rt-debug | 5.14.0-162.6.1.rt21.168.el9_1 | ALSA-2022:7933 |
| AlmaLinux:8 | kernel-rt-debug-core | 4.18.0-372.26.1.rt7.183.el8_6 | ALSA-2022:6437 |
| AlmaLinux:9 | kernel-rt-debug-core | 5.14.0-162.6.1.rt21.168.el9_1 | ALSA-2022:7933 |
| AlmaLinux:8 | kernel-rt-debug-devel | 4.18.0-372.26.1.rt7.183.el8_6 | ALSA-2022:6437 |
| AlmaLinux:9 | kernel-rt-debug-devel | 5.14.0-162.6.1.rt21.168.el9_1 | ALSA-2022:7933 |
| AlmaLinux:8 | kernel-rt-debug-kvm | 4.18.0-372.26.1.rt7.183.el8_6 | ALSA-2022:6437 |
| AlmaLinux:9 | kernel-rt-debug-kvm | 5.14.0-162.6.1.rt21.168.el9_1 | ALSA-2022:7933 |
| AlmaLinux:8 | kernel-rt-debug-modules | 4.18.0-372.26.1.rt7.183.el8_6 | ALSA-2022:6437 |
| AlmaLinux:9 | kernel-rt-debug-modules | 5.14.0-162.6.1.rt21.168.el9_1 | ALSA-2022:7933 |
| AlmaLinux:8 | kernel-rt-debug-modules-extra | 4.18.0-372.26.1.rt7.183.el8_6 | ALSA-2022:6437 |
| AlmaLinux:9 | kernel-rt-debug-modules-extra | 5.14.0-162.6.1.rt21.168.el9_1 | ALSA-2022:7933 |
| AlmaLinux:8 | kernel-rt-devel | 4.18.0-372.26.1.rt7.183.el8_6 | ALSA-2022:6437 |
| AlmaLinux:9 | kernel-rt-devel | 5.14.0-162.6.1.rt21.168.el9_1 | ALSA-2022:7933 |
| AlmaLinux:8 | kernel-rt-kvm | 4.18.0-372.26.1.rt7.183.el8_6 | ALSA-2022:6437 |
| AlmaLinux:9 | kernel-rt-kvm | 5.14.0-162.6.1.rt21.168.el9_1 | ALSA-2022:7933 |
| AlmaLinux:8 | kernel-rt-modules | 4.18.0-372.26.1.rt7.183.el8_6 | ALSA-2022:6437 |
| AlmaLinux:9 | kernel-rt-modules | 5.14.0-162.6.1.rt21.168.el9_1 | ALSA-2022:7933 |
| AlmaLinux:8 | kernel-rt-modules-extra | 4.18.0-372.26.1.rt7.183.el8_6 | ALSA-2022:6437 |
| AlmaLinux:9 | kernel-rt-modules-extra | 5.14.0-162.6.1.rt21.168.el9_1 | ALSA-2022:7933 |
| AlmaLinux:8 | kernel-tools | 4.18.0-372.26.1.el8_6 | ALSA-2022:6460 |
| AlmaLinux:9 | kernel-tools | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:8 | kernel-tools-libs | 4.18.0-372.26.1.el8_6 | ALSA-2022:6460 |
| AlmaLinux:9 | kernel-tools-libs | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:8 | kernel-tools-libs-devel | 4.18.0-372.26.1.el8_6 | ALSA-2022:6460 |
| AlmaLinux:9 | kernel-tools-libs-devel | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:8 | kernel-zfcpdump | 4.18.0-372.26.1.el8_6 | ALSA-2022:6460 |
| AlmaLinux:9 | kernel-zfcpdump | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:8 | kernel-zfcpdump-core | 4.18.0-372.26.1.el8_6 | ALSA-2022:6460 |
| AlmaLinux:9 | kernel-zfcpdump-core | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:8 | kernel-zfcpdump-devel | 4.18.0-372.26.1.el8_6 | ALSA-2022:6460 |
| AlmaLinux:9 | kernel-zfcpdump-devel | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:9 | kernel-zfcpdump-devel-matched | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:8 | kernel-zfcpdump-modules | 4.18.0-372.26.1.el8_6 | ALSA-2022:6460 |
| AlmaLinux:9 | kernel-zfcpdump-modules | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:8 | kernel-zfcpdump-modules-extra | 4.18.0-372.26.1.el8_6 | ALSA-2022:6460 |
| AlmaLinux:9 | kernel-zfcpdump-modules-extra | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:8 | perf | 4.18.0-372.26.1.el8_6 | ALSA-2022:6460 |
| AlmaLinux:9 | perf | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux:8 | python3-perf | 4.18.0-372.26.1.el8_6 | ALSA-2022:6460 |
| AlmaLinux:9 | python3-perf | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| Alpine:v3.20 | xen | 4.16.1-r3 | ALPINE-CVE-2022-21166 |
| Alpine:v3.21 | xen | 4.16.1-r3 | ALPINE-CVE-2022-21166 |
| Alpine:v3.22 | xen | 4.16.1-r3 | ALPINE-CVE-2022-21166 |
| Alpine:v3.23 | xen | 4.16.1-r3 | ALPINE-CVE-2022-21166 |
| Alpine:v3.24 | xen | 4.16.1-r3 | ALPINE-CVE-2022-21166 |
| Debian:12 | intel-microcode | 3.20220510.1 | DEBIAN-CVE-2022-21166 |
| Debian:13 | intel-microcode | 3.20220510.1 | DEBIAN-CVE-2022-21166 |
| Debian:14 | intel-microcode | 3.20220510.1 | DEBIAN-CVE-2022-21166 |
| Debian:12 | linux | 5.18.5-1 | DEBIAN-CVE-2022-21166 |
| Debian:13 | linux | 5.18.5-1 | DEBIAN-CVE-2022-21166 |
| Debian:14 | linux | 5.18.5-1 | DEBIAN-CVE-2022-21166 |
| Debian:12 | xen | 4.16.2-1 | DEBIAN-CVE-2022-21166 |
| Debian:13 | xen | 4.16.2-1 | DEBIAN-CVE-2022-21166 |
| Debian:14 | xen | 4.16.2-1 | DEBIAN-CVE-2022-21166 |
| Rocky Linux:8 | kernel | 0:4.18.0-372.26.1.el8_6 | RLSA-2022:6460 |
| Rocky Linux:8 | kernel-rt | 0:4.18.0-372.26.1.rt7.183.el8_6 | RLSA-2022:6437 |
| Ubuntu:22.04:LTS | intel-microcode | 3.20220510.0ubuntu0.22.04.1 | USN-5486-1 |
| Ubuntu:22.04:LTS | intel-microcode | 3.20220510.0ubuntu0.22.04.1 | UBUNTU-CVE-2022-21166 |
| Ubuntu:22.04:LTS | linux | 5.15.0-39.42 | USN-5485-1 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1013.17 | USN-5485-1 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1012.15 | USN-5485-1 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1010.15 | USN-5485-1 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1010.13 | USN-5485-1 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1009.11 | USN-5485-1 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2022-21166 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1010.14 | USN-5485-1 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1012.14 | USN-5485-1 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-39.42 | USN-5485-1 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | 5.17.0-1013.14 | USN-5529-1 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | 5.17.0-1013.14 | UBUNTU-CVE-2022-21166 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2022-21166 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1011.15 | USN-5485-1 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2022-21166 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2022-21166 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | Intel(R) Processors | See references |
Weakness: CWE-459 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
References
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00615.html x_refsource_MISC
- [oss-security] 20220616 Xen Security Advisory 404 v2 (CVE-2022-21123,CVE-2022-21125,CVE-2022-21166) - x86: MMIO Stale Data vulnerabilities mailing-list, x_refsource_MLIST
- FEDORA-2022-391e24517d vendor-advisory, x_refsource_FEDORA
- FEDORA-2022-177a008b98 vendor-advisory, x_refsource_FEDORA
- https://security.netapp.com/advisory/ntap-20220624-0008/ x_refsource_CONFIRM
- FEDORA-2022-925fc688c1 vendor-advisory, x_refsource_FEDORA
- [debian-lts-announce] 20220701 [SECURITY] [DLA 3065-1] linux security update mailing-list, x_refsource_MLIST
- DSA-5173 vendor-advisory, x_refsource_DEBIAN
- DSA-5178 vendor-advisory, x_refsource_DEBIAN
- DSA-5184 vendor-advisory, x_refsource_DEBIAN
- FEDORA-2022-2c9f8224f8 vendor-advisory, x_refsource_FEDORA
- GLSA-202208-23 vendor-advisory, x_refsource_GENTOO
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html