Vulnerability Details CVE-2020-13844
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."
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 40.8%
CVSS Severity
CVSS v3 Score 5.5
CVSS v2 Score 2.1
References
- http://lists.llvm.org/pipermail/llvm-dev/2020-June/142109.html
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00039.html
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00040.html
- https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability
- https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability/downloads/straight-line-speculation
- https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability/frequently-asked-questions
- https://gcc.gnu.org/pipermail/gcc-patches/2020-June/547520.html
- http://lists.llvm.org/pipermail/llvm-dev/2020-June/142109.html
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00039.html
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00040.html
- https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability
- https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability/downloads/straight-line-speculation
- https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability/frequently-asked-questions
- https://gcc.gnu.org/pipermail/gcc-patches/2020-June/547520.html
Products affected by CVE-2020-13844
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cpe:2.3:h:arm:cortex-a32:-
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cpe:2.3:h:arm:cortex-a34:-
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cpe:2.3:h:arm:cortex-a35:-
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cpe:2.3:h:arm:cortex-a53:-
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cpe:2.3:h:arm:cortex-a57:-
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cpe:2.3:h:arm:cortex-a72:-
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cpe:2.3:h:arm:cortex-a73:-
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cpe:2.3:o:arm:cortex-a32_firmware:-
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cpe:2.3:o:arm:cortex-a34_firmware:-
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cpe:2.3:o:arm:cortex-a35_firmware:-
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cpe:2.3:o:arm:cortex-a53_firmware:-
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cpe:2.3:o:arm:cortex-a57_firmware:-
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cpe:2.3:o:arm:cortex-a72_firmware:-
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cpe:2.3:o:arm:cortex-a73_firmware:-
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cpe:2.3:o:opensuse:leap:15.1
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cpe:2.3:o:opensuse:leap:15.2