CVE-2022-25368
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.
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:LAttack VectorLocal
AC:HAttack ComplexityHigh
PR:LPrivileges RequiredLow
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:HConfidentialityHigh
I:NIntegrityNone
A:NAvailabilityNone
Weaknesses
Affected Products
arm
oss-project·GBaka arm ltd
amperecomputing
commercial·USaka ampere computing
and 13 more affected products View all →
Exploitability
Official Patch Available
References
https://amperecomputing.com/products/security-bulletins/impact-of-spectre-bhb-on-ampere.html
amperecomputing.com
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-23960
cve.mitre.org
https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability/spectre-bhb
developer.arm.com
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