CVE-2019-8934 — hw/ppc/spapr

hw/ppc/spapr.c in QEMU through 3.1.0 allows Information Exposure because the hypervisor shares the /proc/device-tree/system-id and /proc/device-tree/model system attributes with a guest.

01What is this vulnerability?

hw/ppc/spapr.c in QEMU through 3.1.0 allows Information Exposure because the hypervisor shares the /proc/device-tree/system-id and /proc/device-tree/model system attributes with a guest.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

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: 2019-03-17T19:11:30.000Z
• Last modified: 2024-08-04T21:31:37.492Z

09References

• www.openwall.com — http://www.openwall.com/lists/oss-security/2019/02/21/1
• www.securityfocus.com — http://www.securityfocus.com/bid/107115
• lists.gnu.org — https://lists.gnu.org/archive/html/qemu-devel/2019-02/msg04821.html
• security.netapp.com — https://security.netapp.com/advisory/ntap-20190411-0006/
• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00094.html
• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00040.html