CVE-2026-31409

In the Linux kernel, the following vulnerability has been resolved: ksmbd: unset conn-binding on failed binding request When a multichannel SMB2SESSIONSETUP request with SMB2SESSIONREQFLAGBINDING fails ksmbd sets conn-binding = true but never clears it on the error path. This leaves the connectio...

CVE-2026-31410

CVE-2026-31410 has concrete patch evidence across multiple OSV entries. Root-OS shows Root:Ubuntu-24.04 and Root:Ubuntu-22.04 patched in the rootio-linux package, with multiple fixed versions available. Debian-backed advisories also indicate Linux kernel vulnerabilities including CVE-2026-31410 a...

CVE-2026-31410 ksmbd: use volume UUID in FS_OBJECT_ID_INFORMATION

In the Linux kernel, the following vulnerability has been resolved: ksmbd: use volume UUID in FSOBJECTIDINFORMATION Use sb-suuid for a proper volume identifier as the primary choice. For filesystems that do not provide a UUID, fall back to stfs.ffsid obtained from vfsstatfs...

CVE-2026-31409

CVE-2026-31409 affects the Linux kernel ksmbd component. A multichannel SMB2_SESSION_SETUP with SMB2_SESSION_REQ_FLAG_BINDING could fail, but ksmbd did not clear conn->binding on the error path, leaving the connection in a binding state. This caused ksmbd_session_lookup_all() to fall back to t...

Linux Distros Unpatched Vulnerability : CVE-2026-31410

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ksmbd: use volume UUID in FSOBJECTIDINFORMATION Use sb-suuid for a proper volume identifier as the primary choice. For filesystems that do not provide a UUID,...

PT-2026-30578

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains an issue within the ksmbd component related to the handling of FS OBJECT ID INFORMATION. The resolution involves utilizing the superblock's UUID sb-s uuid as th...

CVE-2026-31409

In the Linux kernel, the following vulnerability has been resolved: ksmbd: unset conn-binding on failed binding request When a multichannel SMB2SESSIONSETUP request with SMB2SESSIONREQFLAGBINDING fails ksmbd sets conn-binding = true but never clears it on the error path. This leaves the connectio...

Linux Distros Unpatched Vulnerability : CVE-2026-31409

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ksmbd: unset conn-binding on failed binding request When a multichannel SMB2SESSIONSETUP request with SMB2SESSIONREQFLAGBINDING fails ksmbd sets conn-binding =...

Linux Distros Unpatched Vulnerability : CVE-2026-23428

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 of shareconf in compound request smb2getksmbdtcon reuses work-tcon...

Linux Distros Unpatched Vulnerability : CVE-2026-23427

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 durable v2 replay of active file handles...

SUSE CVE-2026-23427

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in durable v2 replay of active file handles parsedurablehandlecontext unconditionally assigns dhinfo-fp-conn to the current connection when handling a DURABLEREQV2 context with SMB2FLAGSREPLAYOPERATION...

EUVD-2026-18659

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in durable v2 replay of active file handles parsedurablehandlecontext unconditionally assigns dhinfo-fp-conn to the current connection when handling a DURABLEREQV2 context with SMB2FLAGSREPLAYOPERATION...

EUVD-2026-18661

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free of shareconf in compound request smb2getksmbdtcon reuses work-tcon in compound requests without validating tcon-tstate. ksmbdtreeconnlookup checks tstate == TREECONNECTED on the initial lookup path, but...

CVE-2026-23428

A flaw was found in ksmbd, a component of the Linux kernel. This use-after-free vulnerability occurs during the processing of Server Message Block version 2 SMB2 compound requests. An attacker could exploit this by sending a specially crafted sequence of SMB2 commands, causing the system to attem...

UBUNTU-CVE-2026-23428

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free of shareconf in compound request smb2getksmbdtcon reuses work-tcon in compound requests without validating tcon-tstate. ksmbdtreeconnlookup checks tstate == TREECONNECTED on the initial lookup path, but...

CVE-2026-23428

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free of shareconf in compound request smb2getksmbdtcon reuses work-tcon in compound requests without validating tcon-tstate. ksmbdtreeconnlookup checks tstate == TREECONNECTED on the initial lookup path, but...

CVE-2026-23427 ksmbd: fix use-after-free in durable v2 replay of active file handles

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in durable v2 replay of active file handles parsedurablehandlecontext unconditionally assigns dhinfo-fp-conn to the current connection when handling a DURABLEREQV2 context with SMB2FLAGSREPLAYOPERATION...

CVE-2026-23428 ksmbd: fix use-after-free of share_conf in compound request

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free of shareconf in compound request smb2getksmbdtcon reuses work-tcon in compound requests without validating tcon-tstate. ksmbdtreeconnlookup checks tstate == TREECONNECTED on the initial lookup path, but...

CVE-2026-23427

Summary: CVE-2026-23427 affects ksmbd in the Linux kernel and has been fixed to address a use-after-free in durable v2 replay of active SMB file handles. The root cause is that parse_durable_handle_context() unconditionally assigns dh_info->fp->conn to the current connection when handling D...

OESA-2026-1832 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in ksmbdtreeconnectput under concurrency Under high concurrency, A tree-connection object tcon is freed on a disconnect path while...