CVE-2025-39853
i40e: Fix potential invalid access when MAC list is empty
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Sep 19, 2025 |
| Last Updated | May 12, 2026 |
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Affected Versions
Linux / Linux
e3219ce6a775468368fb270fae3eb82a6787b436 < 971feafe157afac443027acdc235badc6838560b e3219ce6a775468368fb270fae3eb82a6787b436 < 3c6fb929afa313d9d11f780451d113f73922fe5d e3219ce6a775468368fb270fae3eb82a6787b436 < 1eadabcf5623f1237a539b16586b4ed8ac8dffcd e3219ce6a775468368fb270fae3eb82a6787b436 < e2a5e74879f9b494bbd66fa93f355feacde450c7 e3219ce6a775468368fb270fae3eb82a6787b436 < fb216d980fae6561c7c70af8ef826faf059c6515 e3219ce6a775468368fb270fae3eb82a6787b436 < 66e7cdbda74ee823ec2bf7b830ebd235c54f5ddf e3219ce6a775468368fb270fae3eb82a6787b436 < 9c21fc4cebd44dd21016c61261a683af390343f8 e3219ce6a775468368fb270fae3eb82a6787b436 < a556f06338e1d5a85af0e32ecb46e365547f92b9
Linux / Linux
4.6
References
git.kernel.org: https://git.kernel.org/stable/c/971feafe157afac443027acdc235badc6838560b git.kernel.org: https://git.kernel.org/stable/c/3c6fb929afa313d9d11f780451d113f73922fe5d git.kernel.org: https://git.kernel.org/stable/c/1eadabcf5623f1237a539b16586b4ed8ac8dffcd git.kernel.org: https://git.kernel.org/stable/c/e2a5e74879f9b494bbd66fa93f355feacde450c7 git.kernel.org: https://git.kernel.org/stable/c/fb216d980fae6561c7c70af8ef826faf059c6515 git.kernel.org: https://git.kernel.org/stable/c/66e7cdbda74ee823ec2bf7b830ebd235c54f5ddf git.kernel.org: https://git.kernel.org/stable/c/9c21fc4cebd44dd21016c61261a683af390343f8 git.kernel.org: https://git.kernel.org/stable/c/a556f06338e1d5a85af0e32ecb46e365547f92b9 lists.debian.org: https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html lists.debian.org: https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html cert-portal.siemens.com: https://cert-portal.siemens.com/productcert/html/ssa-089022.html cert-portal.siemens.com: https://cert-portal.siemens.com/productcert/html/ssa-032379.html