Vulnerability in Arm Cortex-a
CVE-2018-3640
Systems with microprocessors utilizing speculative execution and that perform speculative reads of system registers may allow unauthorized disclosure of system parameters to an attacker with local user access via a side-channel analysis, a…
EPSS: 0.076 (93.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.6 (Medium). Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N.
Affected products
- Arm Cortex-a — versions 15, 57, 72
- Intel Atom_c — versions c2308, c3308, c3338
- Intel Atom_e — versions e3805, e3815, e3825
- Intel Atom_z — versions z2420, z2460, z2480
- Intel Celeron_j — versions j3455, j4005, j4105
- Intel Celeron_n — versions n3450
- Intel Core_i3 — versions 32nm, 45nm
- Intel Core_i5 — versions 32nm, 45nm
- Intel Core_i7 — versions 32nm, 45nm
- Intel Core_m — versions 32nm, 45nm
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secure@intel.com (x_refsource_CONFIRM)
- secure@intel.com (x_refsource_CONFIRM, Third Party Advisory)
- secure@intel.com (US Government Resource, Third Party Advisory, x_refsource_CERT, third-party-advisory)
- secure@intel.com (vdb-entry, x_refsource_SECTRACK)
- secure@intel.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- secure@intel.com (x_refsource_CONFIRM)
- secure@intel.com (x_refsource_CONFIRM, Vendor Advisory)
- secure@intel.com (x_refsource_CONFIRM, Third Party Advisory)
- secure@intel.com (x_refsource_CONFIRM, Vendor Advisory)
- secure@intel.com (US Government Resource, x_refsource_CERT-VN, Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2018-3640?
- CVE-2018-3640 is a medium-severity vulnerability in Arm Cortex-a, classified under Observable Discrepancy. CVSS score: 5.6/10. Published 2018-05-22.
- How severe is CVE-2018-3640?
- Medium severity. CVSS v3 base score is 5.6 out of 10.
- Is CVE-2018-3640 known to be exploited?
- 24 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.