VulnerabilityModified
CVE-2020-13844
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…
MEDIUM 5.5EPSS 0.51%
Does this matter?
Lower severity and a low EPSS score (0.51%). Track it; it rarely justifies an emergency change on its own.
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 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 0.51% probability · 42th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-203
- Affected
- 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 firmware · opensuse/leap
- Source
- cve@mitre.org
References
- http://lists.llvm.org/pipermail/llvm-dev/2020-June/142109.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00039.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00040.htmlMailing List, Third Party Advisory
- https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerabilityVendor Advisory
- https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability/downloads/straight-line-speculationVendor Advisory
- https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability/frequently-asked-questionsVendor Advisory
- https://gcc.gnu.org/pipermail/gcc-patches/2020-June/547520.htmlPatch, Third Party Advisory
- http://lists.llvm.org/pipermail/llvm-dev/2020-June/142109.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00039.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00040.htmlMailing List, Third Party Advisory
- https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerabilityVendor Advisory
- https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability/downloads/straight-line-speculationVendor Advisory
- https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability/frequently-asked-questionsVendor Advisory
- https://gcc.gnu.org/pipermail/gcc-patches/2020-June/547520.htmlPatch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.