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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2024-36908 Detail

Description

In the Linux kernel, the following vulnerability has been resolved: blk-iocost: do not WARN if iocg was already offlined In iocg_pay_debt(), warn is triggered if 'active_list' is empty, which is intended to confirm iocg is active when it has debt. However, warn can be triggered during a blkcg or disk removal, if iocg_waitq_timer_fn() is run at that time: WARNING: CPU: 0 PID: 2344971 at block/blk-iocost.c:1402 iocg_pay_debt+0x14c/0x190 Call trace: iocg_pay_debt+0x14c/0x190 iocg_kick_waitq+0x438/0x4c0 iocg_waitq_timer_fn+0xd8/0x130 __run_hrtimer+0x144/0x45c __hrtimer_run_queues+0x16c/0x244 hrtimer_interrupt+0x2cc/0x7b0 The warn in this situation is meaningless. Since this iocg is being removed, the state of the 'active_list' is irrelevant, and 'waitq_timer' is canceled after removing 'active_list' in ioc_pd_free(), which ensures iocg is freed after iocg_waitq_timer_fn() returns. Therefore, add the check if iocg was already offlined to avoid warn when removing a blkcg or disk.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://git.kernel.org/stable/c/01bc4fda9ea0a6b52f12326486f07a4910666cf6 CVE, kernel.org Patch 
https://git.kernel.org/stable/c/14b3275f93d4a0d8ddc02195bc4e9869b7a3700e CVE, kernel.org Patch 
https://git.kernel.org/stable/c/1c172ac7afe4442964f4153b2c78fe4e005d9d67 CVE, kernel.org Patch 
https://git.kernel.org/stable/c/56a9d07f427378eeb75b917bb49c6fbea8204126 kernel.org Patch 
https://git.kernel.org/stable/c/7d215e013d097ed6fc4b0ad0272c9514214dc408 kernel.org Patch 
https://git.kernel.org/stable/c/aed0aac18f039dd4af13c143063754efca358cb0 kernel.org Patch 

Weakness Enumeration

CWE-ID CWE Name Source
NVD-CWE-noinfo Insufficient Information cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

6 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2024-36908
NVD Published Date:
05/30/2024
NVD Last Modified:
09/30/2025
Source:
kernel.org