CVE-2025-21711

In the Linux kernel, the following vulnerability has been resolved: net/rose: prevent integer overflows in rose_setsockopt() In case of possible unpredictably large arguments passed to rose_setsockopt() and multiplied by extra values on top of that, integer overflows may occur. Do the safest minimum and fix these issues by checking the contents of 'opt' and returning -EINVAL if they are too large. Also, switch to unsigned int and remove useless check for negative 'opt' in ROSE_IDLE case.

The following products are affected by CVE-2025-21711 vulnerability.

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-21711.

URL	Resource
https://git.kernel.org/stable/c/352daa50946c3bbb662432e8daf54d6760796589
https://git.kernel.org/stable/c/4bdd449977e2364a53d0b2a5427e71beb1cd702d
https://git.kernel.org/stable/c/9bdee49ad6bbd26ab5e13cc6731e54fb1b6c1dca
https://git.kernel.org/stable/c/b8583b54455cbec2fc038fa32b6700890b369815
https://git.kernel.org/stable/c/d08f4074f9c69f7e95502587eb1b258a965ba7f0
https://git.kernel.org/stable/c/d640627663bfe7d8963c7615316d7d4ef60f3b0b
https://git.kernel.org/stable/c/e5338930a29d0ab2a5af402f5f664aeba0d1a676
https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html
https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html
https://lore.kernel.org/linux-cve-announce/2025022644-CVE-2025-21711-9e79@gregkh/T
https://nvd.nist.gov/vuln/detail/CVE-2025-21711
https://www.cve.org/CVERecord?id=CVE-2025-21711