CVE-2022-25368
Last modified
CVE-2022-25368 is a medium-severity vulnerability rated 4.7/10 on the CVSS scale. Spectre BHB is a variant of Spectre-v2 in which malicious code uses the shared branch history (stored in the CPU BHB) to influence mispredicted branches in the victim's hardware context. Speculation caused by these mispredicted branches can then potentially be used to cause cache allocation, which can then be used to infer information that should be protected.. EPSS estimates a 0.29% chance of exploitation in the next 30 days.
Description
Spectre BHB is a variant of Spectre-v2 in which malicious code uses the shared branch history (stored in the CPU BHB) to influence mispredicted branches in the victim's hardware context. Speculation caused by these mispredicted branches can then potentially be used to cause cache allocation, which can then be used to infer information that should be protected.
Metrics
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Amperecomputing | Ampere Altra Max Firmware | All versions |
| Amperecomputing | Ampere Altra Firmware | All versions |
| Arm | Neoverse-E1 Firmware | All versions |
| Arm | Neoverse-V1 Firmware | All versions |
| Arm | Cortex-A57 Firmware | All versions |
| Arm | Cortex-A65 Firmware | All versions |
| Arm | Cortex-A65ae Firmware | All versions |
| Arm | Cortex-A72 Firmware | All versions |
| Arm | Cortex-A73 Firmware | All versions |
| Arm | Cortex-A75 Firmware | All versions |
| Arm | Cortex-A76 Firmware | All versions |
| Arm | Cortex-A76ae Firmware | All versions |
| Arm | Cortex-A77 Firmware | All versions |
| Arm | Cortex-A78 Firmware | All versions |
| Arm | Cortex-A78ae Firmware | All versions |
| Arm | Cortex-A78c Firmware | All versions |
| Arm | Cortex-X1 Firmware | All versions |
| Arm | Cortex-X2 Firmware | All versions |
| Arm | Cortex-A710 Firmware | All versions |
| Arm | Cortex-A15 Firmware | All versions |
| Arm | Neoverse N1 Firmware | All versions |
| Arm | Neoverse N2 Firmware | All versions |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-23960Third Party Advisory, VDB Entry
- https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability/spectre-bhbPatch, Technical Description, Vendor Advisory
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-23960Third Party Advisory, VDB Entry
- https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability/spectre-bhbPatch, Technical Description, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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