Vulnerability CVE-2022-25368
Published: 2022-03-10

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.

Type:

NVD-CWE-noinfo

CVSS2 => (AV:L/AC:M/Au:N/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
1.9/10
2.9/10
3.4/10
Exploit range
Attack complexity
Authentication
Local
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None

 References:
https://amperecomputing.com/products/security-bulletins/impact-of-spectre-bhb-on-ampere.html
https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability/spectre-bhb
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-23960
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