Dell Watchdog Timer < 2.0.0.1 Privilege Escalation (DSA-2026-248)

According to its self-reported version, the Dell Watchdog Timer kernel driver WDTKernel.sys on the remote Windows host is prior to 2.0.0.1. It is, therefore, affected by an exposed IOCTL with insufficient access control vulnerability. A low privileged local attacker could potentially exploit this...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098692)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098692 advisory. In the Linux kernel, the following vulnerability has been resolved: fbdev: Fix vmalloc out-of-bounds write in fastimageblit This issue triggers when a userspace...

FreeBSD : FreeBSD -- Kernel use-after-free via tty ioctls (a34b5154-a0ff-11f1-ae1f-bc241121aa0a)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the a34b5154-a0ff-11f1-ae1f-bc241121aa0a advisory. The TIOCSCTTY ioctl handler drops the tty lock in order to acquire the process tree lock. After...

PT-2026-82158

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference occurs in the amdgpu dm crtc set vblank function. This happens when vblank is enabled or queried via the 'DRM IOCTL MODE CRTC GET SEQUENCE' endpoint before a...

CVE-2026-74676

A flaw was found in the Linux kernel. A missing permission check in the KDSKBMETA ioctl input/output control allows a local process to modify the keyboard meta mode on a non-controlling console without proper authorization. This could enable an attacker to make unauthorized changes to system...

SUSE CVE-2026-68455

In the Linux kernel, the following vulnerability has been resolved: liveupdate: validate session type before performing operation The sessions ioctls are not applicable to all session types. PRESERVEFD is only applicable to outgoing sessions. RETRIEVEFD and FINISH are only valid for incoming...

SUSE CVE-2026-74440

In the Linux kernel, the following vulnerability has been resolved: drm/xe: Wait on external BO kernel fences in exec IOCTL Before arming a user job, xeexecioctl only added the VM's dma-resv KERNEL slot as a dependency. That slot covers rebinds and the kernel operations of the VM's private BOs, b...

FreeBSD-SA-26:63.posixshm

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-26:63.posixshm Security Advisory The FreeBSD Project Topic: TOCTOU race in POSIX shared memory large page configuration Category: core Module: posixshm...

FreeBSD-SA-26:62.tty

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-26:62.tty Security Advisory The FreeBSD Project Topic: Kernel use-after-free via tty ioctls Category: core Module: tty Announced: 2026-08-25 Credits: tsune of...

FreeBSD-SA-26:58.sound

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-26:58.sound Security Advisory The FreeBSD Project Topic: Kernel use-after-free via the SNDCTLDSPSYNCSTART ioctl Category: core Module: sound Announced:...

FreeBSD Security Advisory - FreeBSD-SA-26:62.tty

FreeBSD Security Advisory - The TIOCSCTTY ioctl handler drops the tty lock in order to acquire the process tree lock. After reacquiring the tty lock, the handler did not revalidate the state of the terminal, and could proceed to link a terminal that was concurrently being destroyed to the calling...

FreeBSD Security Advisory - FreeBSD-SA-26:58.sound

FreeBSD Security Advisory - The implementation of this ioctl attempts to acquire locks on all channels in a sync group. If locking a channel would block, it releases the sync group list lock and sleeps. Upon reawakening, it is possible that the sync group structure is freed, but the implementatio...

PT-2026-81929

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description A use-after-free issue exists in the implementation of an ioctl, which occurs when the system attempts to acquire locks on all channels in a sync group. If locki...

Vulnerability of functions __ext4_iget() (fs/ext4/inode.c) and swap_inode_boot_loader() (fs/ext4/ioctl.c) in the Ext4 file system of the Linux operating system, which allows a hacker to trigger a service failure

The vulnerability of the ext4iget function fs/ext4/inode.c and the swapinodebootloader function fs/ext4/ioctl.c in the Ext4 file system of the Linux operating system is related to insufficient handling of exceptional conditions. Exploiting this vulnerability can allow an attacker to cause a servi...

The vulnerability of the xe_vm_madvise_ioctl() function in the drivers/gpu/drm/xe/xe_vm_madvise.c module of the Direct Rendering Infrastructure (DRI) driver for the Linux operating system allows a attacker to cause a service failure.

The vulnerability of the xevmmadviseioctl function in the drivers/gpu/drm/xe/xevmmadvise.c module of the Direct Rendering Infrastructure DRI driver for the Linux operating system is related to improper memory release memory leak. Exploiting this vulnerability can allow an attacker to cause a...

FreeBSD -- TOCTOU race in POSIX shared memory large page configuration

Problem Description: The FIOSSHMLPGCNF ioctl2 operation configures the page size for a largepage shared memory object. This is intended to be used immediately after creating the object, before any memory is allocated for the object. The handler checked whether a page size had already been...

FreeBSD -- Kernel use-after-free via the SNDCTL_DSP_SYNCSTART ioctl

Problem Description: The implementation of this ioctl attempts to acquire locks on all channels in a sync group. If locking a channel would block, it releases the sync group list lock and sleeps. Upon reawakening, it is possible that the sync group structure is freed, but the implementation did n...

FreeBSD -- Kernel use-after-free via tty ioctls

Problem Description: The TIOCSCTTY ioctl handler drops the tty lock in order to acquire the process tree lock. After reacquiring the tty lock, the handler did not revalidate the state of the terminal, and could proceed to link a terminal that was concurrently being destroyed to the calling proces...

[SECURITY] [DSA 6462-1] zfs-linux security update

------------------------------------------------------------------------- Debian Security Advisory DSA-6462-1 [email protected] https://www.debian.org/security/ Aron Xu August 24, 2026 https://www.debian.org/security/faq -...

cve-2026-3437

cve-2026-3437 portwell.sys Portwell Engineering Toolkits v4.8.2 में MmMapIoSpace के माध्यम से मनमाना भौतिक मेमोरी रीड/राइट। ड्राइवर के IOCTL इंटरफ़ेस के साथ इंटरैक्ट करके LPE/SYSTEM एस्केलेशन और BYOVD को सक्षम बनाता है। विश्लेषण ड्राइवर IRPMJDEVICECONTROL के लिए एक डिस्पैच रूटीन पंजीकृत करता है...