CVE-2025-38527 smb: client: fix use-after-free in cifs_oplock_break

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix use-after-free in cifsoplockbreak A race condition can occur in cifsoplockbreak leading to a use-after-free of the cinode structure when unmounting: cifsoplockbreak cifsFileInfoputcfile cifsFileInfoputfinal...

UBUNTU-CVE-2025-38501

In the Linux kernel, the following vulnerability has been resolved: ksmbd: limit repeated connections from clients with the same IP Repeated connections from clients with the same IP address may exhaust the max connections and prevent other normal client connections. This patch limit repeated...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that originates from the presence of a post-release use in cifsoplockbreak by the smb client, which could lead to a crash...

EulerOS 2.0 SP11 : kernel (EulerOS-SA-2025-1957)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : gpio: Restrict usage of GPIO chip irq members before initializationCVE-2022-49072 mmc: core: use sysfsemit instead of sprintf.CVE-2022-49267 ipv4:...

Linux Distros Unpatched Vulnerability : CVE-2025-38208

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - smb: client: add NULL check in automountfullpath page is checked for null in buildpathfromdentryoptionalprefix when tcon-originfullpath is not set. However, the...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: xsk: Fix race condition in AFXDP generic RX path CVE-2025-37920 In the Linux kernel, the following vulnerability has been resolved: virtio: break and reset virtio devices on deviceshutdown CVE-2025-38064 In the...

Linux Distros Unpatched Vulnerability : CVE-2025-37954

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - smb: client: Avoid race in opencacheddir with lease breaks A pre-existing valid cfid returned from findorcreatecacheddir might race with a lease break, meaning...

Linux Distros Unpatched Vulnerability : CVE-2025-21994

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ksmbd: fix incorrect validation for numaces field of smbacl parsedcal validate numaces to allocate posixacestatearray. if numaces ULONGMAX / sizeofstruct smbace...

AI Slashes Workloads for vCISOs by 68% as SMBs Demand More – New Report Reveals

As the volume and sophistication of cyber threats and risks grow, cybersecurity has become mission-critical for businesses of all sizes. To address this shift, SMBs have been urgently turning to vCISO services to keep up with escalating threats and compliance demands. A recent report by Cynomi ha...

USN-7685-4 linux-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: - Device tree and open firmware driver; - SCSI subsystem; - TTY drivers; - Ext4 file system; - SMB network file syste...

USN-7685-3: Linux kernel (FIPS) 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: - Device tree and open firmware driver; - SCSI subsystem; - TTY drivers; - Ext4 file system; - SMB network file syste...

USN-7685-2: Linux kernel (Azure) 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: - Device tree and open firmware driver; - SCSI subsystem; - TTY drivers; - Ext4 file system; - SMB network file syste...

USN-7685-1: Linux kernel 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: - Device tree and open firmware driver; - SCSI subsystem; - TTY drivers; - Ext4 file system; - SMB network file syste...

USN-7685-1 linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-gcp, linux-gcp-4.15, linux-hwe, linux-kvm 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: - Device tree and open firmware driver; - SCSI subsystem; - TTY drivers; - Ext4 file system; - SMB network file syste...

USN-7671-3: Linux kernel (IoT) 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: - ACPI drivers; - GPU drivers; - SMB network file system; - Memory management; - Netfilter; - Network traffic control...

UBUNTU-CVE-2023-32256

A flaw was found in the Linux kernel's ksmbd component. A race condition between smb2 close operation and logoff in multichannel connections could result in a use-after-free issue...

CVE-2023-32256

A flaw was found in the Linux kernel's ksmbd component. A race condition between smb2 close operation and logoff in multichannel connections could result in a use-after-free issue...

The vulnerability in the implementation of the SMB protocol on macOS operating systems allows a perpetrator to trigger a service failure.

The vulnerability of the SMB protocol implementation in macOS is related to an uncontrolled consumption of resources. Exploiting this vulnerability can allow a remote attacker to cause service interruptions...

USN-7608-7: Linux kernel (Azure) 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: - GPU drivers; - SMB network file system; - Memory management; - Netfilter; - Network traffic control; CVE-2025-37890...

USN-7608-7 linux-azure 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: - GPU drivers; - SMB network file system; - Memory management; - Netfilter; - Network traffic control; CVE-2025-37890...