CVE-2022-42464 is a kernel memory pool override vulnerability in the /dev/mmz_userdev device driver affecting OpenHarmony versions 3.1.2 and prior, and 3.0.6 and prior. This vulnerability has a CVSS score of 7.8 (High) and allows unprivileged processes to disclose sensitive kernel information, while processes with system user UID can mmap and override kernel memory pools, potentially leading to kernel code execution, root privileges, or device reboots. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 3.0, <= 3.0.6CPE matchmatch criteria | cpe:2.3:a:openharmony:openharmony:*:*:*:*:*:*:*:* | ||
>= 3.1, <= 3.1.2CPE matchmatch criteria | cpe:2.3:a:openharmony:openharmony:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/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.
Remediation records are not available for this CVE.