CVE-2025-68182
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-12-16

Last updated on: 2025-12-18

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: fix potential use after free in iwl_mld_remove_link() This code frees "link" by calling kfree_rcu(link, rcu_head) and then it dereferences "link" to get the "link->fw_id". Save the "link->fw_id" first to avoid a potential use after free.
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Meta Information
Published
2025-12-16
Last Modified
2025-12-18
Generated
2026-05-07
AI Q&A
2025-12-16
EPSS Evaluated
2026-05-05
NVD
CVE-2025-68182
EUVD
EUVD-2025-203714
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel *
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-UNKNOWN
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AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability is a potential use-after-free issue in the Linux kernel's iwlwifi driver. Specifically, the code frees a 'link' object using kfree_rcu(link, rcu_head) but then dereferences the freed 'link' to access 'link->fw_id'. This can lead to accessing memory that has already been freed, which is unsafe. The fix involves saving 'link->fw_id' before freeing the 'link' to avoid this problem.


How can this vulnerability impact me? :

The use-after-free vulnerability could lead to undefined behavior such as system crashes, memory corruption, or potentially allow an attacker to execute arbitrary code or cause denial of service on systems using the affected iwlwifi driver.


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