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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2024-42250 Detail

Description

In the Linux kernel, the following vulnerability has been resolved: cachefiles: add missing lock protection when polling Add missing lock protection in poll routine when iterating xarray, otherwise: Even with RCU read lock held, only the slot of the radix tree is ensured to be pinned there, while the data structure (e.g. struct cachefiles_req) stored in the slot has no such guarantee. The poll routine will iterate the radix tree and dereference cachefiles_req accordingly. Thus RCU read lock is not adequate in this case and spinlock is needed here.


Metrics

 
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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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Hyperlink Resource
https://git.kernel.org/stable/c/6bb6bd3dd6f382dfd36220d4b210a0c77c066651 Patch 
https://git.kernel.org/stable/c/8eadcab7f3dd809edbe5ae20533ff843dfea3a07 Patch 
https://git.kernel.org/stable/c/97cfd5e20ddc2e33e16ce369626ce76c9a475fd7 Patch 
https://git.kernel.org/stable/c/cf5bb09e742a9cf6349127e868329a8f69b7a014 Patch 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-667 Improper Locking cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

2 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2024-42250
NVD Published Date:
08/07/2024
NVD Last Modified:
08/08/2024
Source:
kernel.org