kernel: smb: client: fix race with concurrent opens in rename(2)

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix race with concurrent opens in rename2 Besides sending the rename request to the server, the rename process also involves closing any deferred close, waiting for outstanding I/O to complete as well as marking all...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001672)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001672 advisory. A time-of-check to time-of-use issue exists in iouring subsystem's IORINGOPCLOSE operation in the Linux kernel's versions 5.6 - 5.11 inclusive, which allows a local...

CVE-2025-68809

In the Linux kernel, the following vulnerability has been resolved: ksmbd: vfs: fix race on mflags in vfscache ksmbd maintains delete-on-close and pending-delete state in ksmbdinode-mflags. In vfscache.c this field is accessed under inconsistent locking: some paths read and modify mflags under...

AZL-74423 CVE-2025-68809 affecting package kernel for versions less than 6.6.121.1-1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: vfs: fix race on mflags in vfscache ksmbd maintains delete-on-close and pending-delete state in ksmbdinode-mflags. In vfscache.c this field is accessed under inconsistent locking: some paths read and modify mflags under...

CVE-2025-68809

In the Linux kernel, the following vulnerability has been resolved: ksmbd: vfs: fix race on mflags in vfscache ksmbd maintains delete-on-close and pending-delete state in ksmbdinode-mflags. In vfscache.c this field is accessed under inconsistent locking: some paths read and modify mflags under...

UBUNTU-CVE-2025-68809

In the Linux kernel, the following vulnerability has been resolved: ksmbd: vfs: fix race on mflags in vfscache ksmbd maintains delete-on-close and pending-delete state in ksmbdinode-mflags. In vfscache.c this field is accessed under inconsistent locking: some paths read and modify mflags under...

CVE-2025-68814 io_uring: fix filename leak in __io_openat_prep()

In the Linux kernel, the following vulnerability has been resolved: iouring: fix filename leak in ioopenatprep ioopenatprep allocates a struct filename using getname. However, for the condition of the file being installed in the fixed file table as well as having OCLOEXEC flag set, the function...

CVE-2025-68812 media: iris: Add sanity check for stop streaming

In the Linux kernel, the following vulnerability has been resolved: media: iris: Add sanity check for stop streaming Add sanity check in irisvb2stopstreaming. If inst-state is already IRISINSTERROR, we should skip the streamoff operation because it would still send packets to the firmware. In...

CVE-2025-68809

CVE-2025-68809 concerns the Linux kernel ksmbd subsystem. It describes a data race on ksmbd_inode->m_flags used to track delete-on-close and pending-delete states, caused by inconsistent locking in vfs_cache.c (some paths use ci->m_lock, others do not). The vulnerability can lead to loss or...

CVE-2025-68809 ksmbd: vfs: fix race on m_flags in vfs_cache

In the Linux kernel, the following vulnerability has been resolved: ksmbd: vfs: fix race on mflags in vfscache ksmbd maintains delete-on-close and pending-delete state in ksmbdinode-mflags. In vfscache.c this field is accessed under inconsistent locking: some paths read and modify mflags under...

CVE-2025-68809 ksmbd: vfs: fix race on m_flags in vfs_cache

In the Linux kernel, the following vulnerability has been resolved: ksmbd: vfs: fix race on mflags in vfscache ksmbd maintains delete-on-close and pending-delete state in ksmbdinode-mflags. In vfscache.c this field is accessed under inconsistent locking: some paths read and modify mflags under...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: smb: Client: Fixed a potential Use-After-Free issue in smb2closecachedfid. findorcreatecacheddir might acquire a new reference after krefput. This occurs when the reference count drops to zero, but before cfidlistlock is acquired...

mptcp: Initialise rcv_mss before calling tcp_send_active_reset() in mptcp_do_fastclose().

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PT-2026-2544

In the Linux kernel, the following vulnerability has been resolved: media: iris: Add sanity check for stop streaming Add sanity check in iris vb2 stop streaming. If inst-state is already IRIS INST ERROR, we should skip the stream off operation because it would still send packets to the firmware. ...

Linux Distros Unpatched Vulnerability : CVE-2025-68809

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ksmbd: vfs: fix race on mflags in vfscache ksmbd maintains delete-on-close and pending-delete state in ksmbdinode-mflags. In vfscache.c this field is accessed...

PT-2026-2541

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel’s ksmbd component has an issue related to inconsistent locking when accessing the m flags field within the vfs cache. Specifically, some code paths read and modify m fla...

CVE-2025-68657 espressif/usb_host_hid Double-Free Race Condition in USB Host HID Device Close Path

Espressif ESP-IDF USB Host HID Human Interface Device Driver allows access to HID devices. Prior to 1.1.0, calls to hidhostdeviceclose can free the same usbtransfert twice. The USB event callback and user code share the hidifacet state without locking, so both can tear down a READY interface...

CVE-2025-68657 espressif/usb_host_hid Double-Free Race Condition in USB Host HID Device Close Path

Espressif ESP-IDF USB Host HID Human Interface Device Driver allows access to HID devices. Prior to 1.1.0, calls to hidhostdeviceclose can free the same usbtransfert twice. The USB event callback and user code share the hidifacet state without locking, so both can tear down a READY interface...

CVE-2025-68657 espressif/usb_host_hid Double-Free Race Condition in USB Host HID Device Close Path

Espressif ESP-IDF USB Host HID Human Interface Device Driver allows access to HID devices. Prior to 1.1.0, calls to hidhostdeviceclose can free the same usbtransfert twice. The USB event callback and user code share the hidifacet state without locking, so both can tear down a READY interface...

CVE-2025-68657

CVE-2025-68657 affects the ESP-IDF USB Host HID driver. Before version 1.1.0, hid_host_device_close() can free the same usb_transfer_t twice, and the USB event callback shares hid_iface_t state with user code without locking, allowing race conditions that may tear down a READY interface in parall...