CVE-2009-4141 is a use-after-free vulnerability in the Linux kernel's fasync_helper function, affecting versions before 2.6.33-rc4-git1. This flaw allows local users to gain privileges by enabling O_ASYNC on a locked file and then closing it. With a CVSS score of 7.2, it presents a high severity risk due to its low attack complexity and complete compromise of confidentiality, integrity, and availability. While not on the KEV catalog or actively exploited, public exploit code exists on ExploitDB, though there is minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2.6.33CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:rc4:*:*:*:*:*:* | ||
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:C/I:C/A:C
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.5 GitHub mentions.
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.