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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2024-47712 Detail

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: wilc1000: fix potential RCU dereference issue in wilc_parse_join_bss_param In the `wilc_parse_join_bss_param` function, the TSF field of the `ies` structure is accessed after the RCU read-side critical section is unlocked. According to RCU usage rules, this is illegal. Reusing this pointer can lead to unpredictable behavior, including accessing memory that has been updated or causing use-after-free issues. This possible bug was identified using a static analysis tool developed by myself, specifically designed to detect RCU-related issues. To address this, the TSF value is now stored in a local variable `ies_tsf` before the RCU lock is released. The `param->tsf_lo` field is then assigned using this local variable, ensuring that the TSF value is safely accessed.


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/2f944e6255c2fc1c9bd9ee32f6b14ee0b2a51eb5 Patch 
https://git.kernel.org/stable/c/557418e1704605a81c9e26732449f71b1d40ba1e Patch 
https://git.kernel.org/stable/c/6d7c6ae1efb1ff68bc01d79d94fdf0388f86cdd8 Patch 
https://git.kernel.org/stable/c/79510414a7626317f13cc9073244ab7a8deb3192 Patch 
https://git.kernel.org/stable/c/84398204c5df5aaf89453056cf0647cda9664d2b Patch 
https://git.kernel.org/stable/c/b040b71d99ee5e17bb7a743dc01cbfcae8908ce1 Patch 
https://git.kernel.org/stable/c/bf090f4fe935294361eabd9dc5a949fdd77d3d1b Patch 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-476 NULL Pointer Dereference 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-2024-47712
NVD Published Date:
10/21/2024
NVD Last Modified:
10/24/2024
Source:
kernel.org