Security readout for executives and security teams
Plain-English summary
A local user or process on affected FreeBSD 12.1 systems could crash the kernel through the cryptodev module. The main business impact is system outage, not confirmed data theft or remote compromise based on the provided sources.
Executive priority
Prioritize patching affected FreeBSD 12.1 systems where downtime matters or local users and workloads are not fully trusted. Treat this as an availability risk requiring normal urgent maintenance, not as proven remote compromise.
Technical view
The cryptodev module insufficiently checked a user-supplied length when sizing a kernel buffer. On FreeBSD 12.1-STABLE before r356911 and 12.1-RELEASE before p5, this can let an unprivileged process trigger a kernel panic.
Likely exposure
Exposure is most likely on FreeBSD 12.1 systems before the named patch levels, especially where unprivileged local users or application processes are present. NetApp has a related advisory, but product-specific exposure details are not included in the bundle.
Exploitation context
The source bundle does not show KEV listing or active exploitation. The described attack context is local denial of service by an unprivileged process causing a kernel panic.
Researcher notes
Evidence supports a local kernel panic condition in cryptodev from insufficient length checking. No CVSS, CWE, exploit details, or active exploitation evidence are provided. Avoid assuming remote reachability or confidentiality impact without vendor confirmation.
Mitigation direction
- Update FreeBSD 12.1-RELEASE systems to p5 or later.
- Update FreeBSD 12.1-STABLE systems to r356911 or later.
- Review the FreeBSD security advisory for official remediation guidance.
- Review NetApp advisory NTAP-20200518-0008 for vendor-specific guidance.
Validation and detection
- Inventory FreeBSD 12.1 hosts and appliances.
- Verify systems are at 12.1-RELEASE-p5 or later, or 12.1-STABLE r356911 or later.
- Identify systems allowing unprivileged local shell, service, or application execution.
- Confirm vendor appliances against the NetApp advisory if NetApp products are present.
Public sources used
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
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2019-15880 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://security.freebsd.org/advisories/FreeBSD-SA-20:16.cryptodev.ascCVE reference · x_refsource_MISC
- https://security.netapp.com/advisory/ntap-20200518-0008/CVE reference · x_refsource_CONFIRM
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.