PT-2026-64332 · Linux · Linux

CVE-2026-64217 · Published 2026-07-24 · Updated 2026-07-24

NVD

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.

Related Identifiers

CVE-2026-64217

Affected Products

Linux

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2026-64217 · Security Note
• https://git.kernel.org/stable/c/afeb32d9bf9aaeea51d0f723a19f14afb73bd94d · Note
• https://git.kernel.org/stable/c/96cc3beb2390ba9f9c128c5733c0ccfe450dd4f9 · Note
• https://git.kernel.org/stable/c/f48b9157f0f611fa436c360648603d5ded719b12 · Note
• https://git.kernel.org/stable/c/00efe58bbdcc93272d579ca24bfc912563f4a204 · Note
• https://git.kernel.org/stable/c/0ef37eef83fad3542ee06db2940433ae1a92b39d · Note