Vulnerability 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 Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| 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 |
Related Weaknesses (CWE)
References
- http://lists.llvm.org/pipermail/llvm-dev/2020-June/142109.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00039.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00040.htmlMailing ListThird Party Advisory
- https://developer.arm.com/support/arm-security-updates/speculative-processor-vulVendor Advisory
- https://developer.arm.com/support/arm-security-updates/speculative-processor-vulVendor Advisory
- https://developer.arm.com/support/arm-security-updates/speculative-processor-vulVendor Advisory
- https://gcc.gnu.org/pipermail/gcc-patches/2020-June/547520.htmlPatchThird Party Advisory
- http://lists.llvm.org/pipermail/llvm-dev/2020-June/142109.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00039.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00040.htmlMailing ListThird Party Advisory
- https://developer.arm.com/support/arm-security-updates/speculative-processor-vulVendor Advisory
- https://developer.arm.com/support/arm-security-updates/speculative-processor-vulVendor Advisory
- https://developer.arm.com/support/arm-security-updates/speculative-processor-vulVendor Advisory
- https://gcc.gnu.org/pipermail/gcc-patches/2020-June/547520.htmlPatchThird Party Advisory
FAQ
What is CVE-2020-13844?
CVE-2020-13844 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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...
How severe is CVE-2020-13844?
CVE-2020-13844 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-13844?
Check the references section above for vendor advisories and patch information. Affected products include: Arm Cortex-A32 Firmware, Arm Cortex-A32, Arm Cortex-A35 Firmware, Arm Cortex-A35, Arm Cortex-A53 Firmware.