Description

In the Linux kernel, the following vulnerability has been resolved: io_uring: fix regbuf vector size truncation There is a report of io_estimate_bvec_size() truncating the calculated number of segments that leads to corruption issues. Check it doesn't overflow "int"s used later. Rough but simple, can be improved on top.

INFO

Published Date :

2025-12-08T00:46:14.601Z

Last Modified :

2025-12-08T00:46:14.601Z

Source :

Linux
AFFECTED PRODUCTS

The following products are affected by CVE-2025-40291 vulnerability.

Vendors Products
Linux
  • Linux Kernel
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-40291.

URL Resource
https://git.kernel.org/stable/c/146eb58629f45f8297e83d69e64d4eea4b28d972 cve-icon cve-icon
https://git.kernel.org/stable/c/826ce37a842633efe1bb763e4b13045d74060d72 cve-icon cve-icon
https://lore.kernel.org/linux-cve-announce/2025120815-CVE-2025-40291-8752@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2025-40291 cve-icon
https://www.cve.org/CVERecord?id=CVE-2025-40291 cve-icon
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