Vulnerability Monitor

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CVE-2009-0745

The ext4_group_add function in fs/ext4/resize.c in the Linux kernel 2.6.27 before 2.6.27.19 and 2.6.28 before 2.6.28.7 does not properly initialize the group descriptor during a resize (aka resize2fs) operation, which might allow local users to cause a denial of service (OOPS) by arranging for crafted values to be present in available memory.

Security Impact Summary

CVE-2009-0745 is a security vulnerability that . Impacting 1 product from linux organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2009, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.

Published

2009-02-27T17:30:09.920

Last Modified

2026-04-23T00:35:47.467

Status

Modified

Source

[email protected]

Severity

CVSSv2: 4.9 (MEDIUM)

CVSSv2 Vector

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

  • Access Vector: LOCAL
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: COMPLETE
Exploitability Score

3.9

Impact Score

6.9

Weaknesses
  • Type: Primary
    CWE-20
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System linux linux_kernel 2.6.27 Yes
Operating System linux linux_kernel 2.6.27.1 Yes
Operating System linux linux_kernel 2.6.27.2 Yes
Operating System linux linux_kernel 2.6.27.3 Yes
Operating System linux linux_kernel 2.6.27.4 Yes
Operating System linux linux_kernel 2.6.27.5 Yes
Operating System linux linux_kernel 2.6.27.6 Yes
Operating System linux linux_kernel 2.6.27.7 Yes
Operating System linux linux_kernel 2.6.27.8 Yes
Operating System linux linux_kernel 2.6.27.9 Yes
Operating System linux linux_kernel 2.6.27.10 Yes
Operating System linux linux_kernel 2.6.27.11 Yes
Operating System linux linux_kernel 2.6.27.12 Yes
Operating System linux linux_kernel 2.6.27.13 Yes
Operating System linux linux_kernel 2.6.27.14 Yes
Operating System linux linux_kernel 2.6.27.15 Yes
Operating System linux linux_kernel 2.6.27.16 Yes
Operating System linux linux_kernel 2.6.27.17 Yes
Operating System linux linux_kernel 2.6.27.18 Yes
Operating System linux linux_kernel 2.6.28 Yes
Operating System linux linux_kernel 2.6.28.1 Yes
Operating System linux linux_kernel 2.6.28.2 Yes
Operating System linux linux_kernel 2.6.28.3 Yes
Operating System linux linux_kernel 2.6.28.4 Yes
Operating System linux linux_kernel 2.6.28.5 Yes
Operating System linux linux_kernel 2.6.28.6 Yes
References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For linux's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.