Linux Distros Unpatched Vulnerability : CVE-2025-21643

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: netfs: Fix kernel async DIO Netfslib needs to be able to handle kernel-initiated asynchronou...

BELL-CVE-2025-21643

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CVE-2025-21643

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix kernel async DIO Netfslib needs to be able to handle kernel-initiated asynchronous DIO that is supplied with a biovec array. Currently, because of the async flag, this gets passed to netfsextractuseriter which throws a...

CVE-2025-21643 netfs: Fix kernel async DIO

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix kernel async DIO Netfslib needs to be able to handle kernel-initiated asynchronous DIO that is supplied with a biovec array. Currently, because of the async flag, this gets passed to netfsextractuseriter which throws a...

CVE-2025-21643

The CVE-2025-21643 entry concerns the Linux kernel netfs path. Affected: kernel components handling asynchronous DIO via bio_vec[] passed to netfs_extract_user_iter(); trigger occurs when CIFS is combined with a loopback blockdev. Root cause: netfs_unbuffered_write_iter_locked() performed a check...

CVE-2025-21643 netfs: Fix kernel async DIO

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix kernel async DIO Netfslib needs to be able to handle kernel-initiated asynchronous DIO that is supplied with a biovec array. Currently, because of the async flag, this gets passed to netfsextractuseriter which throws a...

CVE-2025-21643

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix kernel async DIO Netfslib needs to be able to handle kernel-initiated asynchronous DIO that is supplied with a biovec array. Currently, because of the async flag, this gets passed to netfsextractuseriter which throws a...