CVE-2018-3615: intel corporation multiple Observable Discrepancy
Vulnerability summary
CVE-2018-3615 is a high (CVSS 7.3) Observable Discrepancy vulnerability in intel corporation multiple. EPSS estimates a 6.30% chance of exploitation in the next 30 days, higher than 93.6% of scored vulnerabilities.
Not severe (CVSS 7.3, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 5 · Related 1Timeline
- 14-08-2018PublishedVulnerability first disclosed.
- 29-05-2026Last modifiedVulnerability information updated.
Description
Systems with microprocessors utilizing speculative execution and Intel software guard extensions (Intel SGX) may allow unauthorized disclosure of information residing in the L1 data cache from an enclave to an attacker with local user access via a side-channel analysis.
CVSS metrics
6 scores · 4 sources · 3 versions- NVDNIST7.3HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
- OSV · UbuntuEcosystem advisory · calculated6.4MediumCVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N
- OSV · DebianEcosystem advisory · calculated6.4MediumCVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N
EPSS trend
Probability
6.30%
Chance of exploitation in the next 30 days
Percentile
94%
Versus all other CVEs
30-day change
No change 0.00 pp
From 6.30% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Intel30 products
- core_i3_firmware6006u | 6098p | 6100 | 6100e | 6100h | 6100t | 6100te | 6100u | 6102e | 6157u | 6167u | 6300 | 6300t | 6320 | 8100 | 8350k
- core_i5_firmware650 | 655k | 660 | 661 | 670 | 680 | 6200u | 6260u | 6267u | 6287u | 6300hq | 6300u | 6350hq | 6360u | 6400 | 6400t | 6402p | 6440eq | 6440hq | 6442eq | 6500 | 6500t | 6500te | 6585r | 6600 | 6600k | 6600t | 6685r | 750 | 750s | 760 | 8250u | 8350u | 8400 | 8600k
- core_i7_firmware610e | 620le | 620lm | 620m | 620ue | 620um | 640lm | 640m | 640um | 660lm | 660ue | 660um | 680um | 7y75 | 720qm | 740qm | 7500u | 7560u | 7567u | 7600u | 7660u | 7700 | 7700hq | 7700k | 7700t | 7820eq | 7820hk | 7820hq | 7920hq | 820qm | 840qm | 860 | 860s | 870 | 870s | 875k | 880 | 8550u | 8650u | 8700 | 8700k
- xeon_e31515m_v5 | 1535m_v5 | 1545m_v5 | 1558l_v5 | 1565l_v5 | 1575m_v5 | 1578l_v5 | 1585_v5 | 1585l_v5 | 1505m_v6 | 1535m_v6
- xeon_e3_1220_v5na
Debian1 product
- intel-microcode< 3.20180703.1
Intel corporation1 product
- multipleMultiple
Ubuntu1 product
- linux-azure< 4.15.0-1023.24~14.04.1
4 vendors · 33 products
References
21 links- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180814-cpusidechannelVendor AdvisoryX Refsource CISCOThird Party Advisory
- www.huawei.com/en/psirt/security-advisories/huawei-sa-20180815-01-cpu-enX Refsource CONFIRMThird Party Advisory
Show all 21 references
- www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00161.htmlX Refsource CONFIRMVendor Advisory
- cert-portal.siemens.com/productcert/pdf/ssa-254686.pdfX Refsource CONFIRM
- support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03874en_usX Refsource CONFIRMThird Party Advisory
- software.intel.com/security-software-guidance/software-guidance/l1-terminal-faultX Refsource CONFIRMMitigationVendor Advisory
- cert-portal.siemens.com/productcert/pdf/ssa-608355.pdfX Refsource CONFIRM