Vulnerability Details : CVE-2009-4141

Use-after-free vulnerability in the fasync_helper function in fs/fcntl.c in the Linux kernel before 2.6.33-rc4-git1 allows local users to gain privileges via vectors that include enabling O_ASYNC (aka FASYNC or FIOASYNC) on a locked file, and then closing this file.
Published 2010-01-19 16:30:01
Updated 2023-02-13 02:20:48
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: Memory Corruption

Products affected by CVE-2009-4141

Threat overview for CVE-2009-4141

Top countries where our scanners detected CVE-2009-4141
Top open port discovered on systems with this issue 49153
IPs affected by CVE-2009-4141 12,495
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2009-4141!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2009-4141

EPSS FAQ
0.04%
Probability of exploitation activity in the next 30 days EPSS Score History
~ %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2009-4141

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.2
 HIGH AV:L/AC:L/Au:N/C:C/I:C/A:C
3.9
10.0
 NIST

CWE ids for CVE-2009-4141

  • Assigned by: nvd@nist.gov (Primary)

Vendor statements for CVE-2009-4141

  • Red Hat 2010-01-21
    This issue did not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 3, 4 and Red Hat Enterprise MRG. Shipped kernels do not include upstream commit 233e70f4 that introduced the problem. It was addressed in Red Hat Enterprise Linux 5 via https://rhn.redhat.com/errata/RHSA-2010-0046.html

References for CVE-2009-4141

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