Description
Aliases in the branch predictor may cause some AMD processors to predict the wrong branch type potentially leading to information disclosure.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| AMD | AMD Processors | Processor Some AMD Processors | — |
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.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | xen | 4.16.2-1 | — |
| Debian 13 | xen | 4.16.2-1 | — |
| Debian 12 | xen | 4.16.2-1 | — |
| Debian 11 | xen | 4.14.5+24-g87d90d511c-1 | DSA-5184-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | linux-intel +16 | No fix yet | — |
| Ubuntu 22.04 LTS | linux +1 | 5.15.0-46.49 | — |
| Ubuntu 22.04 LTS | linux-aws | 5.15.0-1017.21 | — |
| Ubuntu 22.04 LTS | linux-azure | 5.15.0-1017.20 | — |
| Ubuntu 22.04 LTS | linux-gcp | 5.15.0-1016.21 | — |
| Ubuntu 22.04 LTS | linux-gke | 5.15.0-1014.17 | — |
| Ubuntu 22.04 LTS | linux-gkeop | 5.15.0-1002.4 | — |
| Ubuntu 22.04 LTS | linux-ibm | 5.15.0-1012.14 | — |
| Ubuntu 22.04 LTS | linux-intel-iotg | 5.15.0-1013.17 | — |
| Ubuntu 22.04 LTS | linux-kvm | 5.15.0-1016.19 | — |
| Ubuntu 22.04 LTS | linux-oracle | 5.15.0-1016.20 | — |
| Ubuntu 22.04 LTS | linux-raspi | 5.15.0-1013.15 | — |
| Ubuntu 22.04 LTS | linux-riscv +32 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-aws-5.15 | 5.15.0-1017.21~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-azure-5.15 | 5.15.0-1017.20~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-gcp-5.15 | 5.15.0-1016.21~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-gke +28 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-hwe-5.15 +1 | 5.15.0-46.49~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-intel-iotg-5.15 | 5.15.0-1015.20~20.04.2 | — |
| Ubuntu 20.04 LTS | linux-oracle-5.15 | 5.15.0-1016.20~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-riscv-5.15 | 5.15.0-1017.19~20.04.1 | — |
| Ubuntu 18.04 LTS | linux-gcp +14 | No fix yet | — |
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
Show 12 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro Realtime 24.04 LTS | linux-realtime-6.14 | No fix yet | — |
| Ubuntu Pro Realtime 22.04 LTS | linux-realtime | 5.15.0-1019.19 | — |
| Ubuntu Pro FIPS 20.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro FIPS 18.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro FIPS 16.04 LTS | linux-fips | No fix yet | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro FIPS-updates 16.04 LTS | linux-fips | No fix yet | — |
| Ubuntu Pro 20.04 LTS | linux +10 | No fix yet | — |
| Ubuntu Pro 20.04 LTS | linux-azure-fde-5.15 | 5.15.0-1114.123~20.04.1 | — |
| Ubuntu Pro 18.04 LTS | linux +12 | No fix yet | — |
| Ubuntu Pro 16.04 LTS | linux +7 | No fix yet | — |
| Ubuntu Pro 14.04 LTS | linux +3 | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | kernel-rt +12 | 5.14.0-162.6.1.rt21.168.el9_1 | RHSA-2022:7933 |
| RHEL 9 | perf +29 | 5.14.0-162.6.1.el9_1 | RHSA-2022:8267 |
| RHEL 8 | kernel-rt +12 | 4.18.0-372.32.1.rt7.189.el8_6 | RHSA-2022:7134 |
| RHEL 8 | perf +26 | 4.18.0-372.32.1.el8_6 | RHSA-2022:7110 |
| RHEL 7 | kernel-rt +10 | 3.10.0-1160.80.1.rt56.1225.el7 | RHSA-2022:7338 |
| RHEL 7 | perf +18 | 3.10.0-1160.80.1.el7 | RHSA-2022:7337 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhev Hypervisor 4 | perf +2 | 4.18.0-372.32.1.el8_6 | RHSA-2022:7110 |
| RHEL 9.0 EUS | kernel-rt +12 | 5.14.0-70.36.1.rt21.108.el9_0 | RHSA-2022:8974 |
| RHEL 9.0 EUS | perf +29 | 5.14.0-70.36.1.el9_0 | RHSA-2022:8973 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | kernel-rt +11 | 5.14.0-162.6.1.rt21.168.el9_1 | ALSA-2022:7933 |
| AlmaLinux 9 | perf +27 | 5.14.0-162.6.1.el9_1 | ALSA-2022:8267 |
| AlmaLinux 8 | kernel-rt +11 | 4.18.0-372.32.1.rt7.189.el8_6 | ALSA-2022:7134 |
| AlmaLinux 8 | perf +19 | 4.18.0-372.32.1.el8_6 | ALSA-2022:7110 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 8 | kernel | 4.18.0-372.32.1.el8_6 | RLSA-2022:7110 |
| Rocky Linux 8 | kernel-rt | 4.18.0-372.32.1.rt7.189.el8_6 | RLSA-2022:7134 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP4 | xen | 4.16.1_06-150400.4.8.1 | SUSE-SU-2022:2597-1 |
| SLES 15 SP3 | xen | 4.14.5_04-150300.3.32.1 | SUSE-SU-2022:2599-1 |
| SLES 15 SP2 | xen | 4.13.4_12-150200.3.58.1 | SUSE-SU-2022:2591-1 |
| SLES 15 SP1 | xen | 4.12.4_26-150100.3.75.1 | SUSE-SU-2022:2600-1 |
| SLES 12 SP5 | xen | 4.12.4_26-3.74.1 | SUSE-SU-2022:2557-1 |
Show 20 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP4 | xen | 4.11.4_30-2.76.1 | SUSE-SU-2022:2560-1 |
| SLES 12 SP3 | xen | 4.9.4_30-3.106.1 | SUSE-SU-2022:2574-1 |
| SLES 12 SP2 | xen | 4.7.6_24-43.91.1 | SUSE-SU-2022:2569-1 |
| SLES for SAP 15 SP2 | xen | 4.13.4_12-150200.3.58.1 | SUSE-SU-2022:2591-1 |
| SLES for SAP 15 SP1 | xen | 4.12.4_26-150100.3.75.1 | SUSE-SU-2022:2600-1 |
| SLES for SAP 15 | xen | 4.10.4_36-150000.3.77.1 | SUSE-SU-2022:2601-1 |
| SLES for SAP 12 SP5 | xen | 4.12.4_26-3.74.1 | SUSE-SU-2022:2557-1 |
| SLES for SAP 12 SP4 | xen | 4.11.4_30-2.76.1 | SUSE-SU-2022:2560-1 |
| SLE Micro 5.2 | xen | 4.14.5_04-150300.3.32.1 | SUSE-SU-2022:2599-1 |
| SLE Micro 5.1 | xen | 4.14.5_04-150300.3.32.1 | SUSE-SU-2022:2599-1 |
| SLE HPC 15 SP2 | xen | 4.13.4_12-150200.3.58.1 | SUSE-SU-2022:2591-1 |
| SLE HPC 15 SP1 | xen | 4.12.4_26-150100.3.75.1 | SUSE-SU-2022:2600-1 |
| SLE HPC 15 | xen | 4.10.4_36-150000.3.77.1 | SUSE-SU-2022:2601-1 |
| SUSE OpenStack Cloud Crowbar 9 | xen | 4.11.4_30-2.76.1 | SUSE-SU-2022:2560-1 |
| SUSE OpenStack Cloud 9 | xen | 4.11.4_30-2.76.1 | SUSE-SU-2022:2560-1 |
| SUSE Manager Server 4.1 | xen | 4.13.4_12-150200.3.58.1 | SUSE-SU-2022:2591-1 |
| SUSE Manager Retail Branch Server 4.1 | xen | 4.13.4_12-150200.3.58.1 | SUSE-SU-2022:2591-1 |
| SUSE Manager Proxy 4.1 | xen | 4.13.4_12-150200.3.58.1 | SUSE-SU-2022:2591-1 |
| SUSE Enterprise Storage 7 | xen | 4.13.4_12-150200.3.58.1 | SUSE-SU-2022:2591-1 |
| SUSE Enterprise Storage 6 | xen | 4.12.4_26-150100.3.75.1 | SUSE-SU-2022:2600-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.4 | xen | 4.16.1_06-150400.4.8.1 | SUSE-SU-2022:2597-1 |
| openSUSE Leap 15.3 | xen | 4.14.5_04-150300.3.32.1 | SUSE-SU-2022:2599-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap Micro 5.2 | xen | 4.14.5_04-150300.3.32.1 | SUSE-SU-2022:2599-2 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | xen | 4.16.1-r5 | — |
| Alpine v3.23 | xen | 4.16.1-r5 | — |
| Alpine v3.22 | xen | 4.16.1-r5 | — |
| Alpine v3.21 | xen | 4.16.1-r5 | — |
| Alpine v3.20 | xen | 4.16.1-r5 | — |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | xen | 4.16.1-r5 | — |
| Alpine v3.18 | xen | 4.16.1-r5 | — |
| Alpine v3.17 | xen | 4.16.1-r5 | — |
| Alpine v3.16 | xen | 4.16.1-r4 | — |
| Alpine v3.15 | xen | 4.15.3-r1 | — |
| Alpine v3.14 | xen | 4.15.3-r1 | — |
| Alpine v3.13 | xen | 4.14.5-r4 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | kernel-livepatch-6.1.10-15.42 | 1.0-0.amzn2023 | ALAS2023-2023-070 |
| Amazon Linux 2023 | perf +12 | 6.1.10-15.42.amzn2023 | ALAS2023-2023-070 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | perf +21 | 5.14.0-162.6.1.el9_1 | ELSA-2022-8267 |
| Oracle Linux 8 | perf +19 | 4.18.0-372.32.1.0.1.el8_6 | ELSA-2022-7110 |
| Oracle Linux 7 | perf +12 | 3.10.0-1160.80.1.0.1.el7 | ELSA-2022-7337 |
Advisories 32
- RHSA-2022:7933 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Nov 13, 2026
- RHSA-2022:8267 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Nov 13, 2026
- ALSA-2022:8267 Moderate: kernel security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2022:7933 Moderate: kernel-rt security and bug fix update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2022:7134 Important: kernel-rt security and bug fix update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2022:7110 Important: kernel security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2022:8973 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2022:8974 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Oct 15, 2026
- RHSA-2022:7134 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Aug 11, 2026
- RHSA-2022:7110 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Aug 11, 2026
- RHSA-2022:7338 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Aug 7, 2026
- RHSA-2022:7337 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Aug 7, 2026
- WID-SEC-2022-0665 AMD Prozessoren: Mehrere Schwachstellen BSI CERT-Bund (WID) · Mar 29, 2026
- DSA-5184-1 xen - security update Debian Security (DSA / DLA) · Mar 9, 2026
- RLSA-2022:7110 Important: kernel security, bug fix, and enhancement update Rocky Linux Security Advisories · Feb 4, 2026
- RLSA-2022:7134 Important: kernel-rt security and bug fix update Rocky Linux Security Advisories · Feb 4, 2026
- SUSE-SU-2022:2599-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:2560-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:2600-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:2591-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:2574-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:2569-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:2599-2 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:2597-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:2601-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:2557-1 Security update for xen SUSE / openSUSE Security Updates · Feb 4, 2026
- ALAS2023-2023-070 Important: kernel security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Apr 10, 2024
- WID-SEC-2023-1737 Juniper Patchday Juli 2023 BSI CERT-Bund (WID) · Jul 12, 2023
- WID-SEC-2022-0659 VMware ESXi: Mehrere Schwachstellen ermöglichen Offenlegung von Informationen BSI CERT-Bund (WID) · Mar 29, 2023
- ELSA-2022-8267 Moderate: kernel security, bug fix, and enhancement update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Nov 22, 2022
- ELSA-2022-7337 Important: kernel security and bug fix update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Nov 3, 2022
- ELSA-2022-7110 Important: kernel security, bug fix, and enhancement update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Oct 26, 2022
References
- FEDORA-2022-c69ef9c1dd vendor-advisory
- https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1037
- FEDORA-2022-8aab5b5cde vendor-advisory
- DSA-5184 vendor-advisory
- FEDORA-2022-3e6ce58029 vendor-advisory
- FEDORA-2022-a0d7a5eaf2 vendor-advisory
- [oss-security] 20221108 Xen Security Advisory 422 v1 (CVE-2022-23824) - x86: Multiple speculative security issues mailing-list
- [oss-security] 20221110 Xen Security Advisory 422 v2 (CVE-2022-23824) - x86: Multiple speculative security issues mailing-list
- GLSA-202402-07 vendor-advisory