SARA / Free Tools / CVE / CVE-2018-1108

CVE-2018-1108 — kernel drivers before version 4

kernel drivers before version 4.17-rc1 are vulnerable to a weakness in the Linux kernel's implementation of random seed data. Programs, early in the boot sequence, could use the data allocated for the seed before it was sufficiently generated.

CVSS
5.9 MEDIUM
EPSS
0.46% (top 36.30%)
CWE
CWE-330
Published
2018-05-21T21:00:00.000Z
Last modified
2024-08-05T03:51:48.721Z
CVSS vector
CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N

01What is this vulnerability?

kernel drivers before version 4.17-rc1 are vulnerable to a weakness in the Linux kernel's implementation of random seed data. Programs, early in the boot sequence, could use the data allocated for the seed before it was sufficiently generated.

02Affected products

VendorProductVersions
kerneldriverskernel 4.17-rc1

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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