CVE-2018-16276: canonical ubuntu_linux Out-of-bounds Write
Vulnerability summary
CVE-2018-16276 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in canonical ubuntu_linux. EPSS estimates a 0.44% chance of exploitation in the next 30 days, higher than 38.2% of scored vulnerabilities.
Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 20 · Duplicates 1 · Related 17Timeline
- 31-08-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
An issue was discovered in yurex_read in drivers/usb/misc/yurex.c in the Linux kernel before 4.17.7. Local attackers could use user access read/writes with incorrect bounds checking in the yurex USB driver to crash the kernel or potentially escalate privileges.
CVSS metrics
5 scores · 3 sources · 3 versions- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.44%
Chance of exploitation in the next 30 days
Percentile
38%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.44% 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.
Ubuntu17 products
- linux< 3.13.0-164.214 | < 4.4.0-137.163 | < 4.15.0-43.46
- linux-aws< 4.4.0-1031.34 | < 4.4.0-1069.79 | < 4.15.0-1031.33
- linux-azure< 4.15.0-1036.38~14.04.2 | < 4.15.0-1036.38~16.04.1 | < 4.15.0-1036.38
- linux-azure-fdeAll versions (No fix recorded)
- linux-fips< 4.4.0-1008.10
Debian2 products
- linux< 4.17.8-1
- debian_linuxEOL8.0 | 9.0
Canonical1 product
- ubuntu_linuxEOL12.04 | 14.04 | 16.04 | 18.04
Linux1 product
- linux_kernel≥ 2.6.37, < 3.16.58 | ≥ 3.17, < 3.18.116 | ≥ 3.19, < 4.4.141 | ≥ 4.5, < 4.9.113 | ≥ 4.10, < 4.14.56 | ≥ 4.15, < 4.17.7
4 vendors · 21 products
References
24 links- github.com/torvalds/linux/commit/f1e255d60ae66a9f672ff9a207ee6cd8e33d2679X Refsource MISCPatchThird Party AdvisoryREPORT
lists.debian.org/debian-lts-announce/2018/10/msg00003.htmlMailing ListX Refsource MLISTThird Party Advisory