Security readout for executives and security teams
This is a local denial-of-service flaw in older Sun Solaris and OpenSolaris kernels. A user who already has local access could trigger a filesystem and memory-management deadlock, potentially halting the system. The business impact is service outage on affected legacy hosts, not data theft or remote takeover based on the provided sources. Exposure is most likely in legacy environments still running Sun Solaris 8, 9, or 10, or OpenSolaris builds before snv_103. Internet exposure is not the main issue because the attack vector is local and requires an account or local code execution first. Address during legacy Solaris risk reduction unless the affected systems support critical services or many local users. Escalate priority for production hosts where a system halt would create material outage or recovery impact. Mitigation focus: Check Sun or Oracle guidance for the applicable Solaris update or patch level.; Upgrade OpenSolaris systems to snv_103 or later where applicable.; Restrict local shell access to trusted users only..
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-667: Exact CWE lookup
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Open ATT&CK lookupCVE-2009-2857 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
- Medium
- CVSS
- 5.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H1.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.5MediumVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- oval:org.mitre.oval:def:6152CVE reference · vdb-entry, signature
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.
Improper Locking
Improper Locking represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.