CVE-2026-64142

A flaw was found in the Linux kernel's ksmbd component. Two race conditions in the ksmbddurablescavenger function can lead to list corruption and a Use-After-Free UAF vulnerability. A remote attacker could potentially exploit these race conditions during durable handle scavenging and lookup...

CVE-2026-64142

In the Linux kernel, the following vulnerability has been resolved: ksmbd: close durable scavenger races against mfplist lookups ksmbddurablescavenger has two related races against any walker that iterates fci-mfplist, including ksmbdlookupfdinode used by ksmbdvfsrename and the share-mode checks ...

EUVD-2026-45827

In the Linux kernel, the following vulnerability has been resolved: ksmbd: close durable scavenger races against mfplist lookups ksmbddurablescavenger has two related races against any walker that iterates fci-mfplist, including ksmbdlookupfdinode used by ksmbdvfsrename and the share-mode checks ...

CVE-2026-64142 ksmbd: close durable scavenger races against m_fp_list lookups

In the Linux kernel, the following vulnerability has been resolved: ksmbd: close durable scavenger races against mfplist lookups ksmbddurablescavenger has two related races against any walker that iterates fci-mfplist, including ksmbdlookupfdinode used by ksmbdvfsrename and the share-mode checks ...

CVE-2026-64142

CVE-2026-64142 documents a Linux kernel issue in ksmbd where two races against m_fp_list walkers can lead to use-after-free or list corruption during durable-handle scavenging. The root causes are: (1) fp->node list-head reuse when expired handles are moved to a scavenger list, which can overw...

CVE-2026-64142 ksmbd: close durable scavenger races against m_fp_list lookups

In the Linux kernel, the following vulnerability has been resolved: ksmbd: close durable scavenger races against mfplist lookups ksmbddurablescavenger has two related races against any walker that iterates fci-mfplist, including ksmbdlookupfdinode used by ksmbdvfsrename and the share-mode checks ...

CVE-2026-64142: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ksmbd: close durable scavenger races against mfplist lookups ksmbddurablescavenger has two related races against any walker that iterates fci-mfplist, including ksmbdlookupfdinode used by ksmbdvfsrename and the share-mode checks ...

PT-2026-61459

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description Two race conditions exist in the ksmbd durable scavenger function when interacting with walkers that iterate f ci-m fp list, such as ksmbd lookup fd inode used by ksmbd vfs rename and...

CVE-2026-52996

Technical details are not publicly available in the provided documents. Monitor for updates.

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fixed a use-after-free in ksmbdclosefd, through the use of a durable scavenger mechanism. When a durable file handle persists after a session disconnection TCP connection closes without SMB2LOGOFF, sessionfdcheck sets...

Linux Distros Unpatched Vulnerability : CVE-2026-31718

"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: ksmbd: fix use-after-free in ksmbdclosefd via durable scavenger When a durable file handle...

EUVD-2026-26527

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in ksmbdclosefd via durable scavenger When a durable file handle survives session disconnect TCP close without SMB2LOGOFF, sessionfdcheck sets fp-conn = NULL to preserve the handle for later reconnection...

CVE-2026-31718

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in ksmbdclosefd via durable scavenger When a durable file handle survives session disconnect TCP close without SMB2LOGOFF, sessionfdcheck sets fp-conn = NULL to preserve the handle for later reconnection...

CVE-2026-31718

The CVE-2026-31718 entries describe a use-after-free in ksmbd (Linux kernel in-kernel SMB3 server) triggered when a durable file handle survives a session disconnect. The root cause is an asymmetric cleanup of lock state: byte-range locks left on a freed conn->lock_list after fp->conn is nu...

CVE-2026-31718 ksmbd: fix use-after-free in __ksmbd_close_fd() via durable scavenger

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in ksmbdclosefd via durable scavenger When a durable file handle survives session disconnect TCP close without SMB2LOGOFF, sessionfdcheck sets fp-conn = NULL to preserve the handle for later reconnection...

CVE-2026-31718

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in ksmbdclosefd via durable scavenger When a durable file handle survives session disconnect TCP close without SMB2LOGOFF, sessionfdcheck sets fp-conn = NULL to preserve the handle for later reconnection...

CVE-2026-31718: Use After Free

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in ksmbdclosefd via durable scavenger When a durable file handle survives session disconnect TCP close without SMB2LOGOFF, sessionfdcheck sets fp-conn = NULL to preserve the handle for later reconnection...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ksmbd: The warning message “Do not call blocking operations when !TASKRUNNING” has been fixed. The waiteventtimeout function will set the state of the current task to TASKUNINTERRUPTIBLE before performing the condition check. Thi...

DEBIAN-CVE-2025-37802

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix WARNING "do not call blocking ops when !TASKRUNNING" waiteventtimeout will set the state of the current task to TASKUNINTERRUPTIBLE, before doing the condition check. This means that ksmbddurablescavengeralive will try...

UBUNTU-CVE-2025-37802

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix WARNING "do not call blocking ops when !TASKRUNNING" waiteventtimeout will set the state of the current task to TASKUNINTERRUPTIBLE, before doing the condition check. This means that ksmbddurablescavengeralive will try...