CVE-2026-25067 SmarterTools SmarterMail < Build 9518 Unauthenticated background-of-the-day Path Coercion

SmarterTools SmarterMail versions prior to build 9518 contain an unauthenticated path coercion vulnerability in the background-of-the-day preview endpoint. The application base64-decodes attacker-supplied input and uses it as a filesystem path without validation. On Windows systems, this allows U...

kernel: smb: client: Fix use-after-free in cifs_fill_dirent

A use-after-free flaw was found in cifsfilldirent in fs/cifs/readdir.c in smb client in the Linux Kernel. This flaw could allow an attacker to crash the system due to race problem. This vulnerability could even lead to a kernel information leak problem...

CVE-2026-22258

CVE-2026-22258 affects Suricata (IDS/IPS/NSM). Before versions 8.0.3 and 7.0.14, crafted DCERPC traffic can trigger unbounded buffering, causing memory exhaustion and process termination. While initially observed over UDP, TCP and SMB are also considered vulnerable; however, DCERPC/TCP defaults l...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: prevents out-of-bounds stream writes by validating pos. The ksmbdvfsstreamwrite function did not validate whether the write offset pos was within the bounds of the existing stream data length vlen. If pos was greater than ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: smb: client: Fixed a use-after-free in cifsfilldirent. There is a race condition in the readdir concurrency process, which may access the rsp buffer after it has been released, triggering the following KASAN warning...

📄 MikroTik RouterOS 6.40.10 Denial of Service

This exploit targets a vulnerability in the MikroTik RouterOS SMB service, allowing remote attackers to crash the SMB process and render services unavailable. Specially crafted SMB packets trigger an abnormal condition, leading to a denial of service, requiring manual restart or reboot of the...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-005198)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005198 advisory. In the Linux kernel, the following vulnerability has been resolved: smb: client: Add check for nextbuffer in receiveencryptedstandard Add check for the return value ...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP6 kernel was updated to fix various security issues The following security issues were fixed: CVE-2025-38321: smb: Log an error when closeallcacheddirs fails bsc1246328. CVE-2025-38728: smb3: fix for slab out of bounds on mount to ksmbd bsc1249256. CVE-2025-39890:...

RLSA-2026:0793 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: drm/xe: Make dma-fences compliant with the safe access rules CVE-2025-38703 kernel: smb: client: let recvdone verify dataoffset, datalength and remainingdatalength CVE-2025-39933 kernel:...

RLSA-2026:0760 Important: kernel-rt security update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: smb: client: Fix use-after-free in cifsfilldirent CVE-2025-38051 kernel: smb: client: let recvdone verify dataoffset, datalength a...

RLSA-2026:0759 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: smb: client: Fix use-after-free in cifsfilldirent CVE-2025-38051 kernel: smb: client: let recvdone verify dataoffset, datalength and remainingdatalength CVE-2025-39933 kernel: drm/i915:...

kernel security update

An update is available for kernel. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel packages contain the Linux kernel, the core of any Linux operating...

RockyLinux 9 : kernel (RLSA-2026:0793)

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:0793 advisory. kernel: drm/xe: Make dma-fences compliant with the safe access rules CVE-2025-38703 kernel: smb: client: let recvdone verify dataoffset, datalength and...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP7 RT kernel was updated to fix various security issues The following security issues were fixed: CVE-2025-38321: smb: Log an error when closeallcacheddirs fails bsc1246328. CVE-2025-38728: smb3: fix for slab out of bounds on mount to ksmbd bsc1249256. CVE-2025-39977...

CVE-2025-71150

CVE-2025-71150 relates to a Linux kernel KSMD (ksmbd) refcount leak: when a session is found during session lookup but SMB2_SESSION_VALID is not set, the reference count for that session is not decremented. The patch fixes this by explicitly calling ksmbd_user_session_put to release the reference...

Azure Linux 3.0 Security Update: kernel (CVE-2024-53179)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-53179 advisory. - In the Linux kernel, the following vulnerability has been resolved: smb: client: fix use-after-free of signi...

ROS-20260120-73-0004

A vulnerability in the ipcmsgsendrequest function of the fs/smb/server/transportipc.c module of the Linux operating system kernel is related to synchronization errors when using a shared resource. Exploitation of the vulnerability could allow an attacker to cause a denial of service...

ROS-20260120-73-0002

A vulnerability in the smb2lock function of the fs/smb/server/smb2pdu.c module of the Linux kernel is related to incorrect resource locking. Exploitation of the vulnerability could allow an attacker to cause a denial of service...

MiracleLinux 8 : samba-4.17.5-3.el8.ML.1 (AXSA:2023-6311:09)

The remote MiracleLinux 8 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2023-6311:09 advisory. samba: SMB2 packet signing is not enforced when server signing = required is set CVE-2023-3347 Tenable has extracted the preceding description block directly...

MiracleLinux 8 : kernel-4.18.0-513.9.1.el8_9 (AXSA:2024-7403:01)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2024-7403:01 advisory. kernel: bpf: Incorrect verifier pruning leads to unsafe code paths being incorrectly marked as safe CVE-2023-2163 kernel: tun: bugs for oversize...