CVE-2022-50221 is an out-of-bounds access vulnerability in the Linux kernel's drm/fb-helper component, specifically affecting the fbdev deferred I/O damage handling. This flaw allows a local attacker with low privileges to cause a denial of service or potentially disclose sensitive information due to incorrect memory range clipping during screen updates. Rated 7.1 HIGH on the CVSS scale, it has low attack complexity and does not require user interaction. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 5.18, < 5.19.2CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/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.