CVE-2021-43395 describes a kernel panic vulnerability affecting illumos-based operating systems, including OmniOS, OpenIndiana, SmartOS, and Oracle Solaris 10 and 11. A local, unprivileged user can trigger a system crash by executing specific rename and rmdir operations on tmpfs filesystems, leading to a denial of service. The vulnerability is rated Medium severity (CVSS 5.5) due to its local attack vector and high impact on availability, but it requires low attack complexity and user privileges. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2022-01-18CPE matchmatch criteria | cpe:2.3:o:illumos:illumos:*:*:*:*:*:*:*:* | ||
r151038CPE matchmatch criteria | cpe:2.3:o:omniosce:omnios:r151038:*:*:*:community:*:*:* | ||
hipster_2021.04CPE matchmatch criteria | cpe:2.3:o:openindiana:openindiana:hipster_2021.04:*:*:*:*:*:*:* | ||
20210923CPE matchmatch criteria | cpe:2.3:o:joyent:smartos:20210923:*:*:*:*:*:*:* | ||
10CPE matchmatch criteria | cpe:2.3:o:oracle:solaris:10:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 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.