CVE-2019-1010066 — Lawrence Livermore National Laboratory msr-safe v1

Lawrence Livermore National Laboratory msr-safe v1.1.0 is affected by: Incorrect Access Control. The impact is: An attacker could modify model specific registers. The component is: ioctl handling. The attack vector is: An attacker could exploit a bug in ioctl interface whitelist

01What is this vulnerability?

Lawrence Livermore National Laboratory msr-safe v1.1.0 is affected by: Incorrect Access Control. The impact is: An attacker could modify model specific registers. The component is: ioctl handling. The attack vector is: An attacker could exploit a bug in ioctl interface whitelist checking, in order to write to model specific registers, normally a function reserved for the root user. The fixed…

02Affected products

Vendor	Product	Versions
Lawrence Livermore National Laboratory	msr	safe — v1.1.0 [fixed: v1.2.0]

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

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

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

• Published: 2019-07-18T13:26:25.000Z
• Last modified: 2024-08-05T03:07:18.278Z

09References

• github.com — https://github.com/LLNL/msr-safe/compare/v1.1.0...v1.2.0
• www.tldp.org — https://www.tldp.org/LDP/lkmpg/2.4/html/x856.html