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CVE-2026-98385

kernel: sched/cache: Decouple sched_cache_group from mm to fix UAF

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Severity

Moderate

Red Hat Product Security

7

CVSS 3.1

Review impact separately from score.

Published · October 12, 2026

Updated · October 24, 2026

Description

A flaw was found in the Linux kernel. A race condition when switching memory management contexts allows the process scheduler to access memory that has already been freed, leading to a use-after-free condition. A local attacker could exploit this vulnerability to cause a Denial of Service (DoS) by crashing the system or potentially execute arbitrary code.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 7
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE-825 · Expired Pointer Dereference