CVE-2025-38456
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-07-25

Last updated on: 2025-11-03

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: ipmi:msghandler: Fix potential memory corruption in ipmi_create_user() The "intf" list iterator is an invalid pointer if the correct "intf->intf_num" is not found. Calling atomic_dec(&intf->nr_users) on and invalid pointer will lead to memory corruption. We don't really need to call atomic_dec() if we haven't called atomic_add_return() so update the if (intf->in_shutdown) path as well.
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Meta Information
Published
2025-07-25
Last Modified
2025-11-03
Generated
2026-05-07
AI Q&A
2025-07-25
EPSS Evaluated
2026-05-05
NVD
CVE-2025-38456
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
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability in the Linux kernel's IPMI message handler involves a potential memory corruption issue in the function ipmi_create_user(). Specifically, the 'intf' list iterator can become an invalid pointer if the correct 'intf->intf_num' is not found. Calling atomic_dec(&intf->nr_users) on this invalid pointer leads to memory corruption. The fix involves avoiding the call to atomic_dec() if atomic_add_return() was not previously called, particularly updating the if (intf->in_shutdown) path.


How can this vulnerability impact me? :

This vulnerability can lead to memory corruption in the Linux kernel, which may cause system instability, crashes, or potentially allow an attacker to execute arbitrary code or escalate privileges if exploited.


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