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CVE-2020-13844

Date: June 8, 2020

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."

Language: C

Severity Score

Related Resources (11)

https://people.canonical.com/~ubuntu-security/cve/CVE-2020-13844
https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability
https://gcc.gnu.org/pipermail/gcc-patches/2020-June/547520.html
https://access.redhat.com/security/cve/CVE-2020-13844
http://lists.llvm.org/pipermail/llvm-dev/2020-June/142109.html
https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability/downloads/straight-line-speculation
https://nvd.nist.gov/vuln/detail/CVE-2020-13844
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00040.html
https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability/frequently-asked-questions
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00039.html
https://www.mend.io/vulnerability-database/CVE-2020-13844

Severity Score

Weakness Type (CWE)

Exposure of Sensitive Information to an Unauthorized Actor

CWE-200

Observable Discrepancy

CWE-203

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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