CVE-2024-49573

MEDIUM

Linux Kernel 6.12-6.12.6 - Denial of Service via NEXT_BUDDY Scheduler Race

Title source: llm

Description

In the Linux kernel, the following vulnerability has been resolved: sched/fair: Fix NEXT_BUDDY Adam reports that enabling NEXT_BUDDY insta triggers a WARN in pick_next_entity(). Moving clear_buddies() up before the delayed dequeue bits ensures no ->next buddy becomes delayed. Further ensure no new ->next buddy ever starts as delayed.

References (2)

Core 2

Core References

Patch

https://git.kernel.org/stable/c/5dbe6816c49197677a5ecce749bd99929da147da

Patch

https://git.kernel.org/stable/c/493afbd187c4c9cc1642792c0d9ba400c3d6d90d

Scores

CVSS v3 5.5

EPSS 0.0018

EPSS Percentile 8.0%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

Status published

Products (9)

linux/Kernel 6.12.0 - 6.12.7linux

Linux/Linux < 6.12

Linux/Linux 152e11f6df293e816a6a37c69757033cdc72667d - 493afbd187c4c9cc1642792c0d9ba400c3d6d90d

Linux/Linux 152e11f6df293e816a6a37c69757033cdc72667d - 5dbe6816c49197677a5ecce749bd99929da147da

Linux/Linux 6.12

Linux/Linux 6.12.7 - 6.12.*

Linux/Linux 6.13

linux/linux_kernel 6.13 rc1 (2 CPE variants)

linux/linux_kernel 6.12 - 6.12.7

Published Jan 11, 2025

Tracked Since Feb 18, 2026