Vulnerability · Published Mar 11, 2022 · Assigned by AMD
CVE-2021-26341
Medium 6.5
In plain English
A medium-severity security flaw in AMD 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 25% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)0.3%top 75.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Some AMD CPUs may transiently execute beyond unconditional direct branches, which may potentially result in data leakage.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | bpftool | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
| AlmaLinux:9 | bpftool | 7.0.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:8 | kernel | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
| AlmaLinux:9 | kernel | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:9 | kernel-64k | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:9 | kernel-64k-core | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:9 | kernel-64k-debug | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:9 | kernel-64k-debug-core | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:9 | kernel-64k-debug-devel | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:9 | kernel-64k-debug-devel-matched | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:9 | kernel-64k-debug-modules | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:9 | kernel-64k-debug-modules-core | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:9 | kernel-64k-debug-modules-extra | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:9 | kernel-64k-devel | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:9 | kernel-64k-devel-matched | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:9 | kernel-64k-modules | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:9 | kernel-64k-modules-core | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:9 | kernel-64k-modules-extra | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:8 | kernel-abi-stablelists | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
| AlmaLinux:9 | kernel-abi-stablelists | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:8 | kernel-core | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
| AlmaLinux:9 | kernel-core | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:8 | kernel-cross-headers | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
| AlmaLinux:9 | kernel-cross-headers | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:8 | kernel-debug | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
| AlmaLinux:9 | kernel-debug | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:8 | kernel-debug-core | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
| AlmaLinux:9 | kernel-debug-core | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:8 | kernel-debug-devel | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
| AlmaLinux:9 | kernel-debug-devel | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:9 | kernel-debug-devel-matched | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:8 | kernel-debug-modules | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
| AlmaLinux:9 | kernel-debug-modules | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:9 | kernel-debug-modules-core | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:8 | kernel-debug-modules-extra | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
| AlmaLinux:9 | kernel-debug-modules-extra | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:9 | kernel-debug-uki-virt | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:8 | kernel-devel | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
| AlmaLinux:9 | kernel-devel | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:9 | kernel-devel-matched | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:8 | kernel-doc | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
| AlmaLinux:9 | kernel-doc | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:8 | kernel-modules | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
| AlmaLinux:9 | kernel-modules | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:9 | kernel-modules-core | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:8 | kernel-modules-extra | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
| AlmaLinux:9 | kernel-modules-extra | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:8 | kernel-rt | 4.18.0-477.10.1.rt7.274.el8_8 | ALSA-2023:2736 |
| AlmaLinux:9 | kernel-rt | 5.14.0-284.11.1.rt14.296.el9_2 | ALSA-2023:2148 |
| AlmaLinux:8 | kernel-rt-core | 4.18.0-477.10.1.rt7.274.el8_8 | ALSA-2023:2736 |
| AlmaLinux:9 | kernel-rt-core | 5.14.0-284.11.1.rt14.296.el9_2 | ALSA-2023:2148 |
| AlmaLinux:8 | kernel-rt-debug | 4.18.0-477.10.1.rt7.274.el8_8 | ALSA-2023:2736 |
| AlmaLinux:9 | kernel-rt-debug | 5.14.0-284.11.1.rt14.296.el9_2 | ALSA-2023:2148 |
| AlmaLinux:8 | kernel-rt-debug-core | 4.18.0-477.10.1.rt7.274.el8_8 | ALSA-2023:2736 |
| AlmaLinux:9 | kernel-rt-debug-core | 5.14.0-284.11.1.rt14.296.el9_2 | ALSA-2023:2148 |
| AlmaLinux:8 | kernel-rt-debug-devel | 4.18.0-477.10.1.rt7.274.el8_8 | ALSA-2023:2736 |
| AlmaLinux:9 | kernel-rt-debug-devel | 5.14.0-284.11.1.rt14.296.el9_2 | ALSA-2023:2148 |
| AlmaLinux:8 | kernel-rt-debug-kvm | 4.18.0-477.10.1.rt7.274.el8_8 | ALSA-2023:2736 |
| AlmaLinux:9 | kernel-rt-debug-kvm | 5.14.0-284.11.1.rt14.296.el9_2 | ALSA-2023:2148 |
| AlmaLinux:8 | kernel-rt-debug-modules | 4.18.0-477.10.1.rt7.274.el8_8 | ALSA-2023:2736 |
| AlmaLinux:9 | kernel-rt-debug-modules | 5.14.0-284.11.1.rt14.296.el9_2 | ALSA-2023:2148 |
| AlmaLinux:9 | kernel-rt-debug-modules-core | 5.14.0-284.11.1.rt14.296.el9_2 | ALSA-2023:2148 |
| AlmaLinux:8 | kernel-rt-debug-modules-extra | 4.18.0-477.10.1.rt7.274.el8_8 | ALSA-2023:2736 |
| AlmaLinux:9 | kernel-rt-debug-modules-extra | 5.14.0-284.11.1.rt14.296.el9_2 | ALSA-2023:2148 |
| AlmaLinux:8 | kernel-rt-devel | 4.18.0-477.10.1.rt7.274.el8_8 | ALSA-2023:2736 |
| AlmaLinux:9 | kernel-rt-devel | 5.14.0-284.11.1.rt14.296.el9_2 | ALSA-2023:2148 |
| AlmaLinux:8 | kernel-rt-kvm | 4.18.0-477.10.1.rt7.274.el8_8 | ALSA-2023:2736 |
| AlmaLinux:9 | kernel-rt-kvm | 5.14.0-284.11.1.rt14.296.el9_2 | ALSA-2023:2148 |
| AlmaLinux:8 | kernel-rt-modules | 4.18.0-477.10.1.rt7.274.el8_8 | ALSA-2023:2736 |
| AlmaLinux:9 | kernel-rt-modules | 5.14.0-284.11.1.rt14.296.el9_2 | ALSA-2023:2148 |
| AlmaLinux:9 | kernel-rt-modules-core | 5.14.0-284.11.1.rt14.296.el9_2 | ALSA-2023:2148 |
| AlmaLinux:8 | kernel-rt-modules-extra | 4.18.0-477.10.1.rt7.274.el8_8 | ALSA-2023:2736 |
| AlmaLinux:9 | kernel-rt-modules-extra | 5.14.0-284.11.1.rt14.296.el9_2 | ALSA-2023:2148 |
| AlmaLinux:8 | kernel-tools | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
| AlmaLinux:9 | kernel-tools | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:8 | kernel-tools-libs | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
| AlmaLinux:9 | kernel-tools-libs | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:8 | kernel-tools-libs-devel | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
| AlmaLinux:9 | kernel-tools-libs-devel | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:9 | kernel-uki-virt | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:8 | kernel-zfcpdump | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
| AlmaLinux:9 | kernel-zfcpdump | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:8 | kernel-zfcpdump-core | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
| AlmaLinux:9 | kernel-zfcpdump-core | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:8 | kernel-zfcpdump-devel | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
| AlmaLinux:9 | kernel-zfcpdump-devel | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:9 | kernel-zfcpdump-devel-matched | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:8 | kernel-zfcpdump-modules | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
| AlmaLinux:9 | kernel-zfcpdump-modules | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:9 | kernel-zfcpdump-modules-core | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:8 | kernel-zfcpdump-modules-extra | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
| AlmaLinux:9 | kernel-zfcpdump-modules-extra | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:8 | perf | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
| AlmaLinux:9 | perf | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:8 | python3-perf | 4.18.0-477.10.1.el8_8 | ALSA-2023:2951 |
| AlmaLinux:9 | python3-perf | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
| AlmaLinux:9 | rtla | 5.14.0-284.11.1.el9_2 | ALSA-2023:2458 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| AMD | AMD Processors | see references |
References
- https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1026 x_refsource_MISC
- [oss-security] 20220318 Xen Security Advisory 398 v2 - Multiple speculative security issues mailing-list, x_refsource_MLIST