Security readout for executives and security teams
CVE-2017-2630 affects QEMU’s Network Block Device client. A malicious NBD server could crash a QEMU client, and sources note possible arbitrary code execution with the QEMU process privileges. Business risk is highest where virtualization tooling connects QEMU to remote or untrusted NBD servers. Exposure is likely limited to systems running vulnerable QEMU builds that use NBD client functionality. Internet-facing impact depends on whether QEMU clients connect to attacker-controlled or compromised NBD servers, which the source bundle does not establish for any specific environment. Treat this as a targeted virtualization platform risk, not a broad internet emergency. Prioritize patching where QEMU connects to remote storage services or where administrators, automation, or tenants can influence NBD server destinations. Mitigation focus: Apply QEMU fixes from the operating system or virtualization vendor.; Upgrade vulnerable QEMU before 2.9 to a fixed release or patched package.; Avoid connecting QEMU clients to untrusted NBD servers..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CWE-121: Exact CWE lookup
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Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2017-2630 mapping review
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Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.5 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:L
CNA and ADP enrichment extracted from CVE v5
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CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:L1.33.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
5.5MediumVector: CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:L
Source materials
- CVE List V5 sourceCVE List V5
- RHSA-2017:2392CVE reference · vendor-advisory, x_refsource_REDHAT
- GLSA-201704-01CVE reference · vendor-advisory, x_refsource_GENTOO
- [qemu-devel] 20170206 [PATCH 05/18] nbd/client: fix drop_syncCVE reference · mailing-list, x_refsource_MLIST
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2630CVE reference · x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=1422415CVE reference · x_refsource_CONFIRM
- https://github.com/qemu/qemu/commit/2563c9c6b8670400c48e562034b321a7cf3d9a85CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Stack-based Buffer Overflow
Stack-based Buffer Overflow represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.