CVE-2020-13844
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:L/Au:N/C:P/I:N/A:N
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
AI Score
Confidence
High
EPSS
Percentile
19.8%
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 configurations
References
lists.llvm.org/pipermail/llvm-dev/2020-June/142109.html
lists.opensuse.org/opensuse-security-announce/2020-10/msg00039.html
lists.opensuse.org/opensuse-security-announce/2020-10/msg00040.html
developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability
developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability/downloads/straight-line-speculation
developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability/frequently-asked-questions
gcc.gnu.org/pipermail/gcc-patches/2020-June/547520.html
Related
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:L/Au:N/C:P/I:N/A:N
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
AI Score
Confidence
High
EPSS
Percentile
19.8%