CVE-2020-13844
First published: Mon Jun 08 2020(Updated: )
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."
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Arm Cortex-a32 Firmware | ||
| Arm Cortex-a32 | ||
| Arm Cortex-a35 Firmware | ||
| Arm Cortex-a35 | ||
| Arm Cortex-a53 Firmware | ||
| Arm Cortex-a53 | ||
| Arm Cortex-a57 Firmware | ||
| Arm Cortex-a57 | ||
| Arm Cortex-a72 Firmware | ||
| Arm Cortex-a72 | ||
| Arm Cortex-a73 Firmware | ||
| Arm Cortex-a73 | ||
| Arm Cortex-a34 Firmware | ||
| Arm Cortex-a34 | ||
| openSUSE Leap | =15.1 | |
| openSUSE Leap | =15.2 |
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Reference Links
- 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
Frequently Asked Questions
What is CVE-2020-13844?
CVE-2020-13844 refers to 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.
What software is affected by CVE-2020-13844?
The Arm Cortex-a32 Firmware, Arm Cortex-a35 Firmware, Arm Cortex-a53 Firmware, Arm Cortex-a57 Firmware, Arm Cortex-a72 Firmware, Arm Cortex-a73 Firmware, Arm Cortex-a34, openSUSE Leap 15.1, and openSUSE Leap 15.2 are affected by CVE-2020-13844.
What is the severity of CVE-2020-13844?
The severity of CVE-2020-13844 is medium with a CVSS score of 5.5.
Where can I find more information about CVE-2020-13844?
You can find more information about CVE-2020-13844 at the following references: [http://lists.llvm.org/pipermail/llvm-dev/2020-June/142109.html](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/msg00039.html), [http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00040.html](http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00040.html).
What is the CWE of CVE-2020-13844?
CVE-2020-13844 is associated with CWE-203.
- collector/nvd-index
- vendor/arm
- canonical/arm cortex-a32 firmware
- canonical/arm cortex-a32
- canonical/arm cortex-a35 firmware
- canonical/arm cortex-a35
- canonical/arm cortex-a53 firmware
- canonical/arm cortex-a53
- canonical/arm cortex-a57 firmware
- canonical/arm cortex-a57
- canonical/arm cortex-a72 firmware
- canonical/arm cortex-a72
- canonical/arm cortex-a73 firmware
- canonical/arm cortex-a73
- canonical/arm cortex-a34 firmware
- canonical/arm cortex-a34
- vendor/opensuse
- canonical/opensuse leap
- version/opensuse leap/15.1
- version/opensuse leap/15.2