CVE-2009-4021 describes a denial-of-service vulnerability in the fuse_direct_io function within the Linux kernel's FUSE subsystem, affecting versions prior to 2.6.32-rc7. This local vulnerability, with low attack complexity, could lead to an invalid pointer dereference and system crash (OOPS) through a memory-consumption attack. While the CVSS score is 4.9 (medium severity), there is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2.6.32CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:rc6:*:*:*:*:*:* | ||
2.6.0CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:2.6.0:*:*:*:*:*:*:* | ||
2.6.1CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:2.6.1:*:*:*:*:*:*:* | ||
2.6.2CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:2.6.2:*:*:*:*:*:*:* | ||
2.6.3CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:2.6.3:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:L/AC:L/Au:N/C:N/I:N/A:C
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.