CVE-2022-23824 Information disclosure in AMD Processors
Attackers can potentially disclose sensitive information via return branch predictions bypassing IBPB mitigations on AMD processors.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-23824?
CVE-2022-23824 is a medium-severity vulnerability in Amd Epyc 7252 Firmware, published on 9 Nov 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
IBPB may not prevent return branch predictions from being specified by pre-IBPB branch targets leading to a potential information disclosure.
Which versions are affected by CVE-2022-23824?
It affects 169 products.
Linux distribution packages (33)
xen SUSE:Enterprise Storage 6 | All versions | 4.12.4_32-150100.3.83.1 |
xen SUSE:Enterprise Storage 7 | All versions | 4.13.4_18-150200.3.68.1 |
xen SUSE:Enterprise Storage 7.1 | All versions | 4.14.5_10-150300.3.45.1 |
xen SUSE:Linux Enterprise High Performance Computing 15 SP1-LTSS | All versions | 4.12.4_32-150100.3.83.1 |
xen SUSE:Linux Enterprise High Performance Computing 15 SP2-LTSS | All versions | 4.13.4_18-150200.3.68.1 |
xen SUSE:Linux Enterprise High Performance Computing 15 SP3-ESPOS | All versions | 4.14.5_10-150300.3.45.1 |
xen SUSE:Linux Enterprise High Performance Computing 15 SP3-LTSS | All versions | 4.14.5_10-150300.3.45.1 |
xen SUSE:Linux Enterprise Micro 5.1 | All versions | 4.14.5_10-150300.3.45.1 |
xen SUSE:Linux Enterprise Micro 5.2 | All versions | 4.14.5_10-150300.3.45.1 |
xen SUSE:Linux Enterprise Micro 5.3 | All versions | 4.16.3_02-150400.4.19.1 |
xen SUSE:Linux Enterprise Module for Basesystem 15 SP4 | All versions | 4.16.3_02-150400.4.19.1 |
xen SUSE:Linux Enterprise Module for Server Applications 15 SP4 | All versions | 4.16.3_02-150400.4.19.1 |
xen SUSE:Linux Enterprise Real Time 15 SP3 | All versions | 4.14.5_10-150300.3.45.1 |
xen SUSE:Linux Enterprise Server 12 SP2-BCL | All versions | 4.7.6_30-43.101.1 |
xen SUSE:Linux Enterprise Server 12 SP4-LTSS | All versions | 4.11.4_36-2.86.1 |
xen SUSE:Linux Enterprise Server 12 SP5 | All versions | 4.12.4_32-3.85.4 |
xen SUSE:Linux Enterprise Server 15 SP1-LTSS | All versions | 4.12.4_32-150100.3.83.1 |
xen SUSE:Linux Enterprise Server 15 SP2-LTSS | All versions | 4.13.4_18-150200.3.68.1 |
xen SUSE:Linux Enterprise Server 15 SP3-LTSS | All versions | 4.14.5_10-150300.3.45.1 |
xen SUSE:Linux Enterprise Server for SAP Applications 12 SP4 | All versions | 4.11.4_36-2.86.1 |
xen SUSE:Linux Enterprise Server for SAP Applications 12 SP5 | All versions | 4.12.4_32-3.85.4 |
xen SUSE:Linux Enterprise Server for SAP Applications 15 SP1 | All versions | 4.12.4_32-150100.3.83.1 |
xen SUSE:Linux Enterprise Server for SAP Applications 15 SP2 | All versions | 4.13.4_18-150200.3.68.1 |
xen SUSE:Linux Enterprise Server for SAP Applications 15 SP3 | All versions | 4.14.5_10-150300.3.45.1 |
xen SUSE:Linux Enterprise Software Development Kit 12 SP5 | All versions | 4.12.4_32-3.85.4 |
xen SUSE:Manager Proxy 4.2 | All versions | 4.14.5_10-150300.3.45.1 |
xen SUSE:Manager Retail Branch Server 4.2 | All versions | 4.14.5_10-150300.3.45.1 |
xen SUSE:Manager Server 4.2 | All versions | 4.14.5_10-150300.3.45.1 |
xen SUSE:OpenStack Cloud 9 | All versions | 4.11.4_36-2.86.1 |
xen SUSE:OpenStack Cloud Crowbar 9 | All versions | 4.11.4_36-2.86.1 |
xen openSUSE:Leap 15.4 | All versions | 4.16.3_02-150400.4.19.1 |
xen openSUSE:Leap Micro 5.2 | All versions | 4.14.5_10-150300.3.45.1 |
xen openSUSE:Leap Micro 5.3 | All versions | 4.16.3_02-150400.4.19.1 |
Products include Amd A10-9600p Firmware, Amd A10-9630p Firmware, Amd A12-9700p Firmware, Amd A12-9730p Firmware, Amd A4-9120 Firmware, Amd A6-9210 Firmware and 163 more.
How do I fix CVE-2022-23824?
Apply the vendor's patch.
Is CVE-2022-23824 being exploited?
There is no known exploitation of CVE-2022-23824 in the wild and no public exploit code.
Other vulnerabilities in Amd Epyc 7252 Firmware
Sources
Also known as ALPINE-CVE-2022-23824, DEBIAN-CVE-2022-23824, GHSA-hhhj-6x4j-w995, SUSE-SU-2023:0136-1, SUSE-SU-2023:0154-1, SUSE-SU-2023:0169-1 and 5 more.