Important: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

USN-8636-2: Linux kernel (Oracle) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - x86 architecture; - InfiniBand drivers; - Media drivers; - Network drivers; - Mellanox network drivers; - Texas...

CVE-2026-67271

Dell PowerStore SDNAS, contains an Out-of-bounds Write vulnerability in the SMB/CIFS. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Denial of service and Remote execution. This is a Critical vulnerability as a remote user could send a...

EUVD-2026-61049

Dell PowerStore SDNAS, contains an Out-of-bounds Write vulnerability in the SMB/CIFS. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Denial of service and Remote execution. This is a Critical vulnerability as a remote user could send a...

CVE-2026-67271

Dell PowerStore SDNAS has an out-of-bounds write in its SMB/CIFS handler. An unauthenticated remote attacker can send a crafted SMB packet to trigger a persistent crash (DoS) or achieve remote code execution (CVSS 9.8 Critical, no auth required). No in-the-wild exploitation is documented. Dell ad...

CVE-2026-67271

Dell PowerStore SDNAS, contains an Out-of-bounds Write vulnerability in the SMB/CIFS. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Denial of service and Remote execution. This is a Critical vulnerability as a remote user could send a...

PT-2026-77212

Name of the Vulnerable Software and Affected Versions Dell PowerStore SDNAS affected versions not specified Description An Out-of-bounds Write issue exists in the SMB/CIFS component. An unauthenticated remote attacker can send a specially crafted SMB packet to trigger a crash, resulting in a Deni...

Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.4-2026-128 (ALASKERNEL-5.4-2026-128)

The version of kernel installed on the remote host is prior to 5.4.302-224.477. It is, therefore, affected by a vulnerability as referenced in the ALAS2KERNEL-5.4-2026-128 advisory. In the Linux kernel, the following vulnerability has been resolved: smb: client: mask server-provided mode to 07777...

Linux Distros Unpatched Vulnerability : CVE-2026-72310

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - smb: client: fix overflow in passthrough ioctl bounds check smb2ioctlqueryinfo validates the PASSTHRUFSCTL response payload before copying it to userspace. The...

The vulnerability in the `fs/smb/server/transport_tcp.c` component of the Linux operating system allows a hacker to cause a service failure.

The vulnerability in the fs/smb/server/transporttcp.c component of the Linux operating system is related to improper memory release before deleting the last reference. Exploiting this vulnerability can allow an attacker to cause a service failure...

Medium: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: smb: client: mask server-provided mode to 07777 in modefromsid CVE-2026-64379 Affected Packages: kernel Note: This advisory is applicable to Amazon Linux 2 - Kernel-5.4 Extra. Visit this page to learn more about...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-100498)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100498 advisory. In the Linux kernel, the following vulnerability has been resolved: smb: client: mask server-provided mode to 07777 in modefromsid When modefromsid is active,...

CVE-2026-74521

In the Linux kernel, the following vulnerability has been resolved: ksmbd: use memcmp to compare ClientGUIDs ClientGUID is a fixed-size binary value and can contain embedded NUL bytes. strncmp stops comparing at the first NUL byte, so different ClientGUID values can incorrectly be treated as equa...

CVE-2026-72492

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in sameclienthaslease sameclienthaslease returns an opinfo pointer from ci-moplist after dropping ci-mlock without taking a reference. smbgrantoplock then dereferences that pointer in copylease and when...

CVE-2026-72315

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix busy dentry warning on unmount after DIO Commit c68337442f03 "cifs: Fix busy dentry used after unmounting" fixed the issue in cifs where deferred close of a file led to a dentry reference count not being released...

UBUNTU-CVE-2026-68457

In the Linux kernel, the following vulnerability has been resolved: ksmbd: use opener credentials for FSCTL mutations SETSPARSE, SETZERODATA and SETCOMPRESSION operate on an open SMB handle but call VFS xattr, fallocate or fileattr helpers with the current ksmbd worker credentials. Those helpers...

CVE-2026-72492 ksmbd: fix use-after-free in same_client_has_lease()

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in sameclienthaslease sameclienthaslease returns an opinfo pointer from ci-moplist after dropping ci-mlock without taking a reference. smbgrantoplock then dereferences that pointer in copylease and when...

CVE-2026-72492 ksmbd: fix use-after-free in same_client_has_lease()

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in sameclienthaslease sameclienthaslease returns an opinfo pointer from ci-moplist after dropping ci-mlock without taking a reference. smbgrantoplock then dereferences that pointer in copylease and when...

CVE-2026-72315 smb: client: fix busy dentry warning on unmount after DIO

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix busy dentry warning on unmount after DIO Commit c68337442f03 "cifs: Fix busy dentry used after unmounting" fixed the issue in cifs where deferred close of a file led to a dentry reference count not being released...

CVE-2026-72315 smb: client: fix busy dentry warning on unmount after DIO

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix busy dentry warning on unmount after DIO Commit c68337442f03 "cifs: Fix busy dentry used after unmounting" fixed the issue in cifs where deferred close of a file led to a dentry reference count not being released...