CVE-2009-4020 describes a stack-based buffer overflow vulnerability in the hfs subsystem of the Linux kernel, specifically affecting versions up to 2.6.32. This flaw, located in the hfs_readdir function, allows remote attackers to cause a denial of service or potentially execute arbitrary code through a specially crafted Hierarchical File System (HFS) filesystem. With a CVSS score of 7.8, it is considered high severity, indicating a remotely exploitable vulnerability with low attack complexity and a complete impact on availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2.6.32CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:2.6.32:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:C
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No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.