MEDIUM
CVE-2009-0131
NVD-CWE-noinfoPublished: January 15, 2009· Updated: Jun 16, 2026
4.9
CVSS v3.1
Official Description
The UFS implementation in the kernel in Sun OpenSolaris snv_29 through snv_90 allows local users to cause a denial of service (panic) via the single posix_fallocate test in the SUSv3 POSIX test suite, related to an F_ALLOCSP fcntl call.
Technical Analysis
CVE-2009-0131 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityNone
IntegrityNone
AvailabilityC
AV:L/AC:L/Au:N/C:N/I:N/A:C
Affected Vendors & Products
sun1 product(s)
opensolaris
Source: NVD CPE · 62 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
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NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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All References (8)
Quick Facts
CVE IDCVE-2009-0131
CVSS Score4.9 / 10
SeverityMEDIUM
WeaknessNVD-CWE-noinfo
CISA KEVNo
Affected1 vendor(s)
PublishedJan 15, 2009
Related CVEs (NVD-CWE-noinfo)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2009-0131 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.