Information disclosure in Arm Cortex-a
CVE-2018-9056
Systems with microprocessors utilizing speculative execution may allow unauthorized disclosure of information to an attacker with local user access via a side-channel attack on the directional branch predictor, as demonstrated by a pattern…
Vulnerability class: Information Disclosure
EPSS: 0.007 (49.0th 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 9, 15, 17
- Intel Atom_c — versions c2308, c2316, c2338
- Intel Atom_e — versions e3805, e3815, e3825
- Intel Atom_x3 — versions c3130, c3200rk, c3205rk
- Intel Atom_z — versions z2420, z2460, z2480
- Intel Celeron_j — versions j1750, j1800, j1850
- Intel Celeron_n — versions n2805, n2806, n2807
- Intel Core_i3 — versions 330e, 330m, 330um
- Intel Core_i5 — versions 430m, 430um, 450m
- Intel Core_i7 — versions 7y75, 610e, 620le
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2018-9056?
- CVE-2018-9056 is a medium-severity vulnerability in Arm Cortex-a, classified under Information Disclosure. CVSS score: 5.6/10. Published 2018-03-27.
- How severe is CVE-2018-9056?
- Medium severity. CVSS v3 base score is 5.6 out of 10.
- Is CVE-2018-9056 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.