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01 Record

CVE-2009-3621

net/unix/af_unix.c in the Linux kernel 2.6.31.4 and earlier allows local users to cause a denial of service (system hang) by creating an abstract-namespace AF_UNIX listening socket, performing a

UnratedPUBLISHEDCNA: redhat
CNA base scoreUnratedNo CNA CVSS vector
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02 Description

net/unix/af_unix.c in the Linux kernel 2.6.31.4 and earlier allows local users to cause a denial of service (system hang) by creating an abstract-namespace AF_UNIX listening socket, performing a

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.98% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 62.0% of scored records. A rank, not a probability.
NVD base score
5.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-16.
Red Hat severity
Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2009-10-22 15:26Z17 YR AGO
Last updated
2024-08-07 06:31Z2 YR AGO
Reserved
2009-10-09
Assigning CNA
redhat
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-400Uncontrolled Resource ConsumptionClass
Data version
5.1
Document digest
f1ce1cb27da60166646fb7b2c5fa4c323046872bd80ba881390e7118e7e49de9

05 Affected products

VendorProductVersionsPlatforms
canonicalubuntu_linuxNot specified—
fedoraprojectfedoraNot specified—
linuxlinux_kernelNot specified—
opensuseopensuseNot specified—
redhatenterprise_linuxNot specified—
redhatenterprise_mrgNot specified—
susesuse_linux_enterprise_desktopNot specified—
susesuse_linux_enterprise_serverNot specified—
vmwareesxNot specified—
vmwarevmaNot specified—

06 References