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CVE-2024-53160

kernel: rcu/kvfree: Fix data-race in __mod_timer / kvfree_call_rcu

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Severity

Moderate

Red Hat Product Security

6.3

CVSS 3.1

Review impact separately from score.

Published · December 24, 2024

Updated · October 29, 2026

Description

A flaw was found in the Linux kernel. A race condition exists in the Read-Copy Update (RCU) subsystem during deferred memory freeing operations due to missing synchronization locks. A local user could exploit this vulnerability to cause a Denial of Service (DoS) through a kernel crash or system instability.

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

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

CVSS / CWE

CVSS 3.1 · 6.3
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H

CWE-362 · Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')