CVEvulnerability
CVE-2020-13844
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2020-06-08
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- CVSS 2.0 ([email protected])
- 2.1 LOW — AV:L/AC:L/Au:N/C:P/I:N/A:N
- Weaknesses
- CWE-203
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."
Affected configurations
• 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 15.1
• opensuse leap 15.2
Related
Weakness · CWE (1)
- CWE-203 Observable Discrepancy weakness
References
- http://lists.llvm.org/pipermail/llvm-dev/2020-June/142109.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00039.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00040.html Mailing List, Third Party Advisory
- https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability Vendor Advisory
- https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability/downloads/straight-line-speculation Vendor Advisory
- https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability/frequently-asked-questions Vendor Advisory
- https://gcc.gnu.org/pipermail/gcc-patches/2020-June/547520.html Patch, Third Party Advisory
- http://lists.llvm.org/pipermail/llvm-dev/2020-June/142109.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00039.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00040.html Mailing List, Third Party Advisory
- https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability Vendor Advisory
- https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability/downloads/straight-line-speculation Vendor Advisory
- https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability/frequently-asked-questions Vendor Advisory
- https://gcc.gnu.org/pipermail/gcc-patches/2020-June/547520.html Patch, Third Party Advisory