CVE-2020-13844 Information

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.\

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Reference

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

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

5.5