CVE-2026-64217

Description

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix overrun check in netfs_extract_user_iter() Fix netfs_extract_user_iter() so that if iov_iter_extract_pages() overfills pages[], then those pages don't get included in the iterator constructed at the end of the function. If there was an overfill, memory corruption has already happened.

References

• https://git.kernel.org/stable/c/00efe58bbdcc93272d579ca24bfc912563f4a204
• https://git.kernel.org/stable/c/0ef37eef83fad3542ee06db2940433ae1a92b39d
• https://git.kernel.org/stable/c/96cc3beb2390ba9f9c128c5733c0ccfe450dd4f9
• https://git.kernel.org/stable/c/afeb32d9bf9aaeea51d0f723a19f14afb73bd94d
• https://git.kernel.org/stable/c/f48b9157f0f611fa436c360648603d5ded719b12