Bug 2400598 (CVE-2025-39898)

Summary: CVE-2025-39898 kernel: e1000e: fix heap overflow in e1000_set_eeprom
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
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Priority: medium    
Version: unspecifiedKeywords: Security
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OS: Linux   
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Description OSIDB Bzimport 2025-10-01 08:01:40 UTC 
In the Linux kernel, the following vulnerability has been resolved:

e1000e: fix heap overflow in e1000_set_eeprom

Fix a possible heap overflow in e1000_set_eeprom function by adding
input validation for the requested length of the change in the EEPROM.
In addition, change the variable type from int to size_t for better
code practices and rearrange declarations to RCT.
Comment 1 Alexander B 2025-10-02 10:40:28 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025100116-CVE-2025-39898-d844@gregkh/T