PT-2009-6204 · Linux+1 · Linux Kernel+1

Eugene Teo · Published 2009-11-25 · Updated 2023-02-13 · CVE-2009-4021

Positive Technologies (AI Summary)

CVSS v2.0

4.9

Medium

Base vector

AV:L/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 2.6.32-rc7

Description The issue is related to the fuse direct io function in the fuse subsystem, which might allow attackers to cause a denial of service, potentially through vectors related to a memory-consumption attack, leading to an invalid pointer dereference and OOPS.

Recommendations For Linux kernel versions prior to 2.6.32-rc7, update to version 2.6.32-rc7 or later to resolve the issue.

Fix

DoS

Weakness Enumeration

CWE-399

Related Identifiers

CVE-2009-4021

DSA-2003-1

DSA-2005-1

RHSA-2010:0041

RHSA-2010:0046

RHSA-2010_0046

Affected Products

Linux Kernel

Red Hat

References · 48

• https://rhn.redhat.com/errata/RHSA-2010-0095.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2009-4021 · Security Note
• http://lists.opensuse.org/opensuse-security-announce/2009-12/msg00002.html · Vendor Advisory
• https://bdu.fstec.ru/vul/2015-06109 · Security Note
• https://bdu.fstec.ru/vul/2015-06108 · Security Note
• https://bdu.fstec.ru/vul/2015-06106 · Security Note
• http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00000.html · Vendor Advisory
• https://bdu.fstec.ru/vul/2015-06105 · Security Note
• https://bdu.fstec.ru/vul/2015-06104 · Security Note
• https://bdu.fstec.ru/vul/2015-05250 · Security Note
• https://bdu.fstec.ru/vul/2015-05251 · Security Note
• https://rhn.redhat.com/errata/RHSA-2010-0046.html · Vendor Advisory
• https://bdu.fstec.ru/vul/2015-06111 · Security Note
• http://debian.org/security/2010/dsa-2005 · Vendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.html · Vendor Advisory