CVE-2020-13844
MEDIUMArm Cortex-A32/A35/A53/A57/A72/A73/A34 Firmware - Information Disclosure via Straight-Line Speculation
Title source: llmDescription
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."
References (7)
Core 7
Core References
Vendor Advisory x_refsource_confirm
https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability
Vendor Advisory x_refsource_confirm
https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability/frequently-asked-questions
Vendor Advisory x_refsource_misc
https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability/downloads/straight-line-speculation
Patch, Third Party Advisory x_refsource_confirm
https://gcc.gnu.org/pipermail/gcc-patches/2020-June/547520.html
Mailing List, Third Party Advisory x_refsource_confirm
http://lists.llvm.org/pipermail/llvm-dev/2020-June/142109.html
Mailing List, Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00040.html
Mailing List, Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00039.html
Scores
CVSS v3
5.5
EPSS
0.0014
EPSS Percentile
33.2%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Details
CWE
CWE-203
Status
published
Products (9)
arm/cortex-a32_firmware
arm/cortex-a34_firmware
arm/cortex-a35_firmware
arm/cortex-a53_firmware
arm/cortex-a57_firmware
arm/cortex-a72_firmware
arm/cortex-a73_firmware
opensuse/leap
15.1
opensuse/leap
15.2
Published
Jun 08, 2020
Tracked Since
Feb 18, 2026