DEBIAN-CVE-2026-89788

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix tree connection use-after-free in smb2treeconnect ksmbdtreeconnconnect publishes a new tree connection in sess-treeconns with a single reference and returns its pointer to smb2treeconnect. The handler continues to...

CVE-2026-89788

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix tree connection use-after-free in smb2treeconnect ksmbdtreeconnconnect publishes a new tree connection in sess-treeconns with a single reference and returns its pointer to smb2treeconnect. The handler continues to...

AZL-101159 CVE-2026-89788 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix tree connection use-after-free in smb2treeconnect ksmbdtreeconnconnect publishes a new tree connection in sess-treeconns with a single reference and returns its pointer to smb2treeconnect. The handler continues to...

CVE-2026-89792

In the Linux kernel, the following vulnerability has been resolved: ksmbd: prevent out-of-bounds reads in share config responses Validate IPC share configuration payload sizes before consuming variable-length fields. Bound veto list parsing and account for the separator byte when deriving the pat...

EUVD-2026-80314

In the Linux kernel, the following vulnerability has been resolved: ksmbd: prevent out-of-bounds reads in share config responses Validate IPC share configuration payload sizes before consuming variable-length fields. Bound veto list parsing and account for the separator byte when deriving the pat...

CVE-2026-89792 ksmbd: prevent out-of-bounds reads in share config responses

In the Linux kernel, the following vulnerability has been resolved: ksmbd: prevent out-of-bounds reads in share config responses Validate IPC share configuration payload sizes before consuming variable-length fields. Bound veto list parsing and account for the separator byte when deriving the pat...

CVE-2026-89792

CVE-2026-89792 is an out-of-bounds read vulnerability in the ksmbd (in-kernel SMB server) component of the Linux kernel . The root cause is insufficient validation of IPC share configuration payload sizes before consuming variable-length fields: the veto list parsing is unbounded, and the separat...

CVE-2026-89792 ksmbd: prevent out-of-bounds reads in share config responses

In the Linux kernel, the following vulnerability has been resolved: ksmbd: prevent out-of-bounds reads in share config responses Validate IPC share configuration payload sizes before consuming variable-length fields. Bound veto list parsing and account for the separator byte when deriving the pat...

EUVD-2026-80309

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix tree connection use-after-free in smb2treeconnect ksmbdtreeconnconnect publishes a new tree connection in sess-treeconns with a single reference and returns its pointer to smb2treeconnect. The handler continues to...

CVE-2026-89788

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix tree connection use-after-free in smb2treeconnect ksmbdtreeconnconnect publishes a new tree connection in sess-treeconns with a single reference and returns its pointer to smb2treeconnect. The handler continues to...

CVE-2026-89788 ksmbd: fix tree connection use-after-free in smb2_tree_connect()

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix tree connection use-after-free in smb2treeconnect ksmbdtreeconnconnect publishes a new tree connection in sess-treeconns with a single reference and returns its pointer to smb2treeconnect. The handler continues to...

CVE-2026-89788 ksmbd: fix tree connection use-after-free in smb2_tree_connect()

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix tree connection use-after-free in smb2treeconnect ksmbdtreeconnconnect publishes a new tree connection in sess-treeconns with a single reference and returns its pointer to smb2treeconnect. The handler continues to...

CVE-2026-89788

CVE-2026-89788 is a use-after-free vulnerability in the Linux kernel's ksmbd (SMB server) subsystem, specifically in smb2_tree_connect() (fs/smb/server/smb2pdu.c). A race condition exists where ksmbd_tree_conn_connect() publishes a new tree connection with a single reference, but a concurrent ses...

SMB-LINUX-CVE-2025-37899

LinuxカーネルのksmbdにおけるUse-After-Freeの脆弱性（CVE-2025-37899） 説明 Linuxカーネルのksmbdモジュール（ネットワーク上のファイル共有のためのSMB（Server Message Block）プロトコルの実装を担う）に、 use-after-free タイプの脆弱性が発見されました。CVE-2025-37899として識別されたこの脆弱性は、権限が昇格されたリモートコード実行を可能にする可能性があります。 はじめに この発見は、研究者のSean...

Linux Distros Unpatched Vulnerability : CVE-2026-89794

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ksmbd: zero pipe read compound padding Compound response handling extends the last response iov to an eight-byte boundary. smb2readpipe allocates only the paylo...

ksmbd-n-day

README 이 저장소는 제 연구 기사 Eternal-Tux: Crafting a Linux Kernel KSMBD 0-Click RCE Exploit from N-Days를 함께 제공합니다. 해당 기사에서는 2023년의 n-데이CVE-2023-52440 및 CVE-2023-4130에 대한 POC를 개발합니다. 커널 .config, 커널 실행 스크립트, 이미지 빌드 스크립트 및 POC를 제공합니다. 이미지 생성 스크립트는 Syzkaller에서 가져왔습니다. impacket의 diff는 커밋...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: fixed a possible memory leak in smb2lock. argv needs to be freed when setupasyncwork fails, or when the current process is awakened...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Validates the session ID and tree ID in compound requests. The function smb2getmsg in smb2getksmbdtcon and smb2checkusersession always returns the first command in a compound request’s headers. If SMB2TREECONNECTHE is the...

Astra Linux – Vulnerability in Linux 5.15

A flaw was discovered in the ksmbd component of the Linux kernel, a high-performance in-kernel SMB server. The specific flaw occurs during the handling of SMB2LOGOFF commands. The issue arises from the lack of proper validation of a pointer before accessing it. An attacker can exploit this...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: smbdirect: verifyremainingdatalength respects maxfragmentedrecvsize This issue is related to the check for dataoffset + datalength...