PT-2026-72167

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. PRESERVE FD is only applicable to outgoing sessions. RETRIEVE FD and FINISH are only valid for incoming...

PT-2026-72670

In the Linux kernel, the following vulnerability has been resolved: gpib: fix double decrement of descriptor busy in command ioctl commit d1857f8296dc "gpib: fix use-after-free in IO ioctl handlers" introduced a descriptor busy reference counter to pin struct gpib descriptor across IO ioctl...

PT-2026-72295

In the Linux kernel, the following vulnerability has been resolved: dm-ioctl: fix a possible overflow in list version get info sizeoftt-version is 12 bytes, but the code writes 16 bytes into the output buffer - info-vers-version0, info-vers-version1, info-vers-version2 and info-vers-next. This ca...

PT-2026-72743

In the Linux kernel, the following vulnerability has been resolved: ext4: validate donor file superblock early in EXT4 IOC MOVE EXT Reject the EXT4 IOC MOVE EXT ioctl early if the donor file does not belong to the same superblock as the original file. Currently, this validation is performed insid...

PT-2026-72967

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: pci: Reject adapter interrupt forwarding if already enabled The MPCIFC instruction doesn't allow registering adapter interrupts without first unregistering. So reject any request to enable interrupt forwarding if its...

PT-2026-72498

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix overflow in passthrough ioctl bounds check smb2 ioctl query info validates the PASSTHRU FSCTL response payload before copying it to userspace. The payload offset and length both come from 32-bit fields. The bound...

PT-2026-72499

In the Linux kernel, the following vulnerability has been resolved: drm/xe: free madvise VMA array on L2 flush failure xe vm madvise ioctl allocates madvise range.vmas in get vmas. After get vmas succeeds with at least one VMA, error paths must go through free vmas so the array is released before...

PT-2026-72326

In the Linux kernel, the following vulnerability has been resolved: xen/gntdev: fix error handling in ioctl When gntdev ioctl map grant ref fails to copy the operation result back to userspace after successfully adding the mapping to the list, the error path returns -EFAULT without releasing the...

PT-2026-72280

In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: reject user command submission without a command BO amdxdna drm submit execbuf passes the user-supplied command BO handle straight into amdxdna cmd submit with drv cmd == NULL. When the handle is AMDXDNA INVALID BO...

PT-2026-72279

In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Use caller client for debug BO sync amdxdna drm sync bo ioctl looks up args-handle in the ioctl caller's drm file. For SYNC DIRECT FROM DEVICE, it then calls amdxdna hwctx sync debug bo, but passes abo-client...

PT-2026-72281

In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: reject command submission on devices without a submit op amdxdna cmd submit calls xdna-dev info-ops-cmd submit unconditionally, but only aie2 dev ops defines that callback. aie4 vf ops the AIE4 SR-IOV virtual...

PT-2026-72482

In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Check irq validity in kvm vcpu ioctl interrupt Function kvm vcpu ioctl interrupt can be called from userspace, here add irq validility cheking in kvm vcpu ioctl interrupt...

APT group HoneyMyte upgrades CoolClient: the backdoor gets a kernel-level Windows rootkit

Introduction CoolClient is a backdoor family attributed to the HoneyMyte APT group also known as Mustang Panda that has been used in their cyber-espionage campaigns targeting organizations across Asia and Russia. It supports such capabilities as keylogging, clipboard theft, credential harvesting,...

jansi: org.fusesource.jansi/jansi: Jansi: Heap buffer overflow leads to Denial of Service

A flaw was found in Jansi. A heap buffer overflow vulnerability exists in the Jansi Java Native Interface JNI 'ioctl' wrapper. This is due to a lack of size verification for the argument array before the system call, which can lead to heap corruption. An attacker could exploit this to cause...

jansi: org.fusesource.jansi/jansi: Jansi: Heap buffer overflow leads to Denial of Service

A flaw was found in Jansi. A heap buffer overflow vulnerability exists in the Jansi Java Native Interface JNI 'ioctl' wrapper. This is due to a lack of size verification for the argument array before the system call, which can lead to heap corruption. An attacker could exploit this to cause...

CVE-2026-53996

NetBSD's hdaudio4 driver in sys/dev/hdaudio/hdaudio.c contains a missing access control vulnerability that allows unprivileged local attackers to invoke the HDAUDIOFGRPSETCONFIG ioctl without elevated permissions by exploiting the absence of an access check on /dev/hdaudioN device nodes. Attacker...

CVE-2026-53996

NetBSD's hdaudio4 driver in sys/dev/hdaudio/hdaudio.c contains a missing access control vulnerability that allows unprivileged local attackers to invoke the HDAUDIOFGRPSETCONFIG ioctl without elevated permissions by exploiting the absence of an access check on /dev/hdaudioN device nodes. Attacker...

CVE-2026-53996 NetBSD hdaudio(4) Driver Privilege Bypass Use-After-Free via HDAUDIO_FGRP_SETCONFIG ioctl

NetBSD's hdaudio4 driver in sys/dev/hdaudio/hdaudio.c contains a missing access control vulnerability that allows unprivileged local attackers to invoke the HDAUDIOFGRPSETCONFIG ioctl without elevated permissions by exploiting the absence of an access check on /dev/hdaudioN device nodes. Attacker...

CVE-2026-53996

The CVE-2026-53996 entry affects NetBSD's hdaudio(4) driver (sys/dev/hdaudio/hdaudio.c), where a missing access check on /dev/hdaudioN device nodes allows unprivileged local attackers to invoke HDAUDIO_FGRP_SETCONFIG via an IOCTL. A race between thread_stop and thread_disestablish in hdafg_detach...

EUVD-2026-57210

NetBSD's hdaudio4 driver in sys/dev/hdaudio/hdaudio.c contains a missing access control vulnerability that allows unprivileged local attackers to invoke the HDAUDIOFGRPSETCONFIG ioctl without elevated permissions by exploiting the absence of an access check on /dev/hdaudioN device nodes. Attacker...