OESA-2026-2753 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: dm: fix a buffer overflow in ioctl processing Tony Asleson using Claude found a buffer overflow in dm-ioctl in the function retrievestatus: 1. The code in...

CVE-2026-52937

In the Linux kernel, the following vulnerability has been resolved: tap: fix stack info leak in tapioctl SIOCGIFHWADDR In the SIOCGIFHWADDR path, tapioctl copies 16 bytes of an uninitialised on-stack struct sockaddrstorage to userspace via ifrhwaddr, but netifgetmacaddress only writes safamily an...

CVE-2026-52937

CVE-2026-52937 concerns the Linux kernel where the tap_ioctl() path handling SIOCGIFHWADDR leaks kernel stack contents by copying 16 bytes of an uninitialised sockaddr_storage to userspace. Specifically, netif_get_mac_address() writes only sa_family and dev->addr_len (6 bytes), leaving sa_data...

EUVD-2026-38707

In the Linux kernel, the following vulnerability has been resolved: tap: fix stack info leak in tapioctl SIOCGIFHWADDR In the SIOCGIFHWADDR path, tapioctl copies 16 bytes of an uninitialised on-stack struct sockaddrstorage to userspace via ifrhwaddr, but netifgetmacaddress only writes safamily an...

CVE-2026-52937

In the Linux kernel, the following vulnerability has been resolved: tap: fix stack info leak in tapioctl SIOCGIFHWADDR In the SIOCGIFHWADDR path, tapioctl copies 16 bytes of an uninitialised on-stack struct sockaddrstorage to userspace via ifrhwaddr, but netifgetmacaddress only writes safamily an...

CVE-2026-52937 tap: fix stack info leak in tap_ioctl() SIOCGIFHWADDR

In the Linux kernel, the following vulnerability has been resolved: tap: fix stack info leak in tapioctl SIOCGIFHWADDR In the SIOCGIFHWADDR path, tapioctl copies 16 bytes of an uninitialised on-stack struct sockaddrstorage to userspace via ifrhwaddr, but netifgetmacaddress only writes safamily an...

CVE-2026-52937 tap: fix stack info leak in tap_ioctl() SIOCGIFHWADDR

In the Linux kernel, the following vulnerability has been resolved: tap: fix stack info leak in tapioctl SIOCGIFHWADDR In the SIOCGIFHWADDR path, tapioctl copies 16 bytes of an uninitialised on-stack struct sockaddrstorage to userspace via ifrhwaddr, but netifgetmacaddress only writes safamily an...

Linux Distros Unpatched Vulnerability : CVE-2026-52937

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - tap: fix stack info leak in tapioctl SIOCGIFHWADDR In the SIOCGIFHWADDR path, tapioctl copies 16 bytes of an uninitialised on-stack struct sockaddrstorage to...

CVE-2026-52948: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: i2c: dev: prevent integer overflow in I2CTIMEOUT ioctl While fuzzing with Syzkaller, a persistent scheduletimeout: wrong timeout value warning was observed, accompanied by SMBus controller state machine corruption. The I2CTIMEOUT...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/msm/gem: fixed error handling in msmioctlgeminfogetmetadata The msmioctlgeminfogetmetadata function always returns 0, regardless of errors. When copytouser fails or the user buffer is too small, the error code stored in re...

Siemens RUGGEDCOM RST2428P Improper Input Validation (CVE-2026-23236)

In the Linux kernel, the following vulnerability has been resolved: fbdev: smscufx: properly copy ioctl memory to kernelspace The UFXIOCTLREPORTDAMAGE ioctl does not properly copy data from userspace to kernelspace, and instead directly references the memory, which can cause problems if invalid...

CVE-2026-8049 CVE-2026-8049

In SignalRGB versions prior to 1.3.7.0, the \.\SignalIo device object is created without an explicit SDDL security descriptor and without FILEDEVICESECUREOPEN. This results in overly permissive default access control, allowing any authenticated local user to obtain a handle to the device and issu...

CVE-2026-8049 CVE-2026-8049

In SignalRGB versions prior to 1.3.7.0, the \.\SignalIo device object is created without an explicit SDDL security descriptor and without FILEDEVICESECUREOPEN. This results in overly permissive default access control, allowing any authenticated local user to obtain a handle to the device and issu...

EUVD-2025-210212

Netskope was notified about a potential gap in its Netskope Client for Windows systems where a malicious insider with administrative privileges can potentially tamper with the customer IOCTL by sending crafted IOCTL requests to the driver. A successful exploit can result in the bypassing of all...

CVE-2025-15641

Netskope was notified about a potential gap in its Netskope Client for Windows systems where a malicious insider with administrative privileges can potentially tamper with the customer IOCTL by sending crafted IOCTL requests to the driver. A successful exploit can result in the bypassing of all...

CVE-2025-15641 Netskope Client Exposed IOCTL with Insufficient Access Controls

Netskope was notified about a potential gap in its Netskope Client for Windows systems where a malicious insider with administrative privileges can potentially tamper with the customer IOCTL by sending crafted IOCTL requests to the driver. A successful exploit can result in the bypassing of all...

CVE-2025-15641

The CVE details a vulnerability in Netskope Client for Windows where an insider with administrative privileges can tamper with the customer IOCTL by sending crafted IOCTL requests to the driver, bypassing anti-tampering protections for NSClient. Affected: Netskope Client on Windows; versions: all...

PT-2026-50185

Netskope was notified about a potential gap in its Netskope Client for Windows systems where a malicious insider with administrative privileges can potentially tamper with the customer IOCTL by sending crafted IOCTL requests to the driver. A successful exploit can result in the bypassing of all...

CVE-2026-8050: Undefined Security Weakness

In SignalRGB versions prior to 1.3.7.0, seven of the thirteen IOCTL handlers dereference the SystemBuffer pointer without first verifying that it is non-NULL. Sending an IOCTL with an empty input buffer causes a NULL pointer dereference, resulting in a kernel crash...

PT-2026-71934

Name of the Vulnerable Software and Affected Versions OpenZFS affected versions not specified Description An access control flaw exists in the ZFS IOC SET PROP ioctl handler, used by zfs-set8. This issue allows an unprivileged local user to incorrectly set metadata on a dataset, specifically the...