CVE-2025-21771 addresses a flaw in the Linux kernel's sched_ext component, specifically an incorrect detection of autogroup migrations during task movement. This vulnerability primarily affects Linux kernel versions and could lead to a denial of service due to system warnings and potential instability. Rated Medium (CVSS 5.5), exploitation requires local access and low privileges, with the primary impact being high availability loss. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 6.12, < 6.12.16CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 6.13, < 6.13.4CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
6.14CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:6.14:rc1:*:*:*:*:*:* | ||
6.14CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:6.14:rc2:*:*:*:*:*:* |
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.