CVE-2017-18551: linux linux_kernel Out-of-bounds Write
Vulnerability summary
CVE-2017-18551 is a medium (CVSS 6.7) Out-of-bounds Write vulnerability in linux linux_kernel. EPSS estimates a 0.43% chance of exploitation in the next 30 days, higher than 37.7% of scored vulnerabilities.
Not severe (CVSS 6.7, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 20 · Related 14Timeline
- 19-08-2019PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
An issue was discovered in drivers/i2c/i2c-core-smbus.c in the Linux kernel before 4.14.15. There is an out of bounds write in the function i2c_smbus_xfer_emulated.
CVSS metrics
5 scores · 3 sources · 3 versions- OSV · UbuntuEcosystem advisory · calculated6.7MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated6.7MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.43%
Chance of exploitation in the next 30 days
Percentile
38%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.43% 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, administrative account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu16 products
- linuxAll versions (No fix recorded) | < 4.4.0-150.176
- linux-aws< 4.4.0-1054.58 | < 4.4.0-1084.94
- linux-azure< 4.15.0-1013.13~16.04.2
- linux-azure-fdeAll versions (No fix recorded)
- linux-fips< 4.4.0-1011.14
Debian1 product
- linux< 4.14.17-1
Linux1 product
- linux_kernel< 4.14.15
Opensuse1 product
- leapEOL15.0 | 15.1
4 vendors · 19 products
References
9 links- cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.15X Refsource MISCRelease NotesVendor AdvisoryREPORT
- lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.htmlVendor AdvisoryX Refsource SUSEThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.htmlVendor AdvisoryX Refsource SUSEThird Party Advisory
