Vulnerabilities > CVE-2020-13844 - Information Exposure Through Discrepancy vulnerability in multiple products
Attack vector
LOCAL Attack complexity
LOW Privileges required
NONE Confidentiality impact
PARTIAL Integrity impact
NONE Availability impact
NONE Summary
Arm Armv8-A core implementations utilizing speculative execution past unconditional changes in control flow may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis, aka "straight-line speculation."
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| OS | 7 | |
| OS | 2 | |
| Hardware | 7 |
Common Weakness Enumeration (CWE)
References
- https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability
- https://gcc.gnu.org/pipermail/gcc-patches/2020-June/547520.html
- http://lists.llvm.org/pipermail/llvm-dev/2020-June/142109.html
- https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability/frequently-asked-questions
- https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability/downloads/straight-line-speculation
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00040.html
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00039.html