CVE-2009-3939 describes a vulnerability in the megaraid_sas driver within Linux kernel versions 2.6.31.6 and earlier, affecting products from vendors like Avaya, Canonical, Debian, and Red Hat. This flaw stems from world-writable permissions on the poll_mode_io file, allowing local users to alter the driver's I/O mode. Rated with a CVSS score of 7.1 (HIGH), it presents a low-complexity local attack vector with potential for high impact on integrity and availability. There is no evidence of active exploitation, public exploit code, or significant community discussion, and it is not listed in CISA's KEV catalog.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2.6.31.6CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
5CPE matchmatch criteria | cpe:2.3:a:redhat:virtualization:5:*:*:*:*:*:*:* | ||
5.0CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:* | ||
5.4CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux_eus:5.4:*:*:*:*:*:*:* | ||
5.0CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.