CVE-2020-13844
MEDIUM
5.5
CVSS Score
Published: June 8, 2020 at 10:46 PM UTC
Updated: June 17, 2026 at 02:53 AM UTC
15 products affected across 2 vendorsLeapCortex A57 FirmwareCortex A72 Firmware
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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.5%
Description
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."
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- 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
References (7)
x_refsource_CONFIRMMailing ListThird Party Advisory
Source: [email protected]
http://lists.llvm.org/pipermail/llvm-dev/2020-June/142109.htmlVendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00039.htmlVendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00040.htmlx_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerabilityx_refsource_MISCVendor Advisory
Source: [email protected]
https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability/downloads/straight-line-speculationx_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability/frequently-asked-questionsx_refsource_CONFIRMPatchThird Party Advisory
Source: [email protected]
https://gcc.gnu.org/pipermail/gcc-patches/2020-June/547520.htmlCVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-203
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