CVE-2025-39853
i40e: Fix potential invalid access when MAC list is empty
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
In the Linux kernel, the following vulnerability has been resolved: i40e: Fix potential invalid access when MAC list is empty list_first_entry() never returns NULL - if the list is empty, it still returns a pointer to an invalid object, leading to potential invalid memory access when dereferenced. Fix this by using list_first_entry_or_null instead of list_first_entry.
Timeline
- CVE published
- Record last updated
Affected versions
- Linux Linux
Version range not reported
- Linux Linux
4.6
References 8
git.kernel.org
- stable/c/971feafe157afac443027acdc235badc6838560b
- stable/c/3c6fb929afa313d9d11f780451d113f73922fe5d
- stable/c/1eadabcf5623f1237a539b16586b4ed8ac8dffcd
- stable/c/e2a5e74879f9b494bbd66fa93f355feacde450c7
- stable/c/fb216d980fae6561c7c70af8ef826faf059c6515
- stable/c/66e7cdbda74ee823ec2bf7b830ebd235c54f5ddf
- stable/c/9c21fc4cebd44dd21016c61261a683af390343f8
- stable/c/a556f06338e1d5a85af0e32ecb46e365547f92b9