PT-2026-52241

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the Direct Rendering Manager DRM Graphics Execution Manager GEM subsystem of the Linux kernel. The issue occurs within the change handle ioctl during concurren...

PCTCore64.sys Windows kernel driver contains missing access control vulnerability

Overview The PCTCore64.sys Windows kernel driver from PC Tools Internet Security exposes its \.\PCTCoreDriver device interface with no access control, allowing any user-mode process to interact with the driver and invoke privileged IOCTL I/O Control commands. In a Bring Your Own Vulnerable Driver...

CVE-2026-46205 staging: media: atomisp: Disallow all private IOCTLs

In the Linux kernel, the following vulnerability has been resolved: staging: media: atomisp: Disallow all private IOCTLs Disallow all private IOCTLs. These aren't quite as safe as one could assume of IOCTL handlers; disable them for now. Instead of removing the code, return in the beginning of th...

CVE-2026-46205: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: staging: media: atomisp: Disallow all private IOCTLs Disallow all private IOCTLs. These aren't quite as safe as one could assume of IOCTL handlers; disable them for now. Instead of removing the code, return in the beginning of th...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: pidfs: validate extensible ioctls. The validation of extensible ioctls is performed more strictly than currently practiced...

CVE-2026-43338

A flaw was found in the Linux kernel's Btrfs filesystem. The qgroup ioctls input/output control system calls for quota groups do not reserve sufficient transaction space. A local user can exploit this by performing specific qgroup operations, which can lead to a transaction abort and result in a...

SUSE CVE-2026-43338

In the Linux kernel, the following vulnerability has been resolved: btrfs: reserve enough transaction items for qgroup ioctls Currently our qgroup ioctls don't reserve any space, they just do a transaction join, which does not reserve any space, neither for the quota tree updates nor for the...

EUVD-2026-28622

In the Linux kernel, the following vulnerability has been resolved: btrfs: reserve enough transaction items for qgroup ioctls Currently our qgroup ioctls don't reserve any space, they just do a transaction join, which does not reserve any space, neither for the quota tree updates nor for the...

UBUNTU-CVE-2026-43403

In the Linux kernel, the following vulnerability has been resolved: nsfs: tighten permission checks for ns iteration ioctls Even privileged services should not necessarily be able to see other privileged service's namespaces so they can't leak information to each other. Use mayseeallnamespaces...

CVE-2026-43403

In the Linux kernel, the following vulnerability has been resolved: nsfs: tighten permission checks for ns iteration ioctls Even privileged services should not necessarily be able to see other privileged service's namespaces so they can't leak information to each other. Use mayseeallnamespaces...

CVE-2026-43403 nsfs: tighten permission checks for ns iteration ioctls

In the Linux kernel, the following vulnerability has been resolved: nsfs: tighten permission checks for ns iteration ioctls Even privileged services should not necessarily be able to see other privileged service's namespaces so they can't leak information to each other. Use mayseeallnamespaces...

AZL-86115 CVE-2026-43338 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: btrfs: reserve enough transaction items for qgroup ioctls Currently our qgroup ioctls don't reserve any space, they just do a transaction join, which does not reserve any space, neither for the quota tree updates nor for the...

CVE-2026-43338

In the Linux kernel, the following vulnerability has been resolved: btrfs: reserve enough transaction items for qgroup ioctls Currently our qgroup ioctls don't reserve any space, they just do a transaction join, which does not reserve any space, neither for the quota tree updates nor for the...

CVE-2026-43338

In the Linux kernel, the following vulnerability has been resolved: btrfs: reserve enough transaction items for qgroup ioctls Currently our qgroup ioctls don't reserve any space, they just do a transaction join, which does not reserve any space, neither for the quota tree updates nor for the...

CVE-2026-43338 btrfs: reserve enough transaction items for qgroup ioctls

In the Linux kernel, the following vulnerability has been resolved: btrfs: reserve enough transaction items for qgroup ioctls Currently our qgroup ioctls don't reserve any space, they just do a transaction join, which does not reserve any space, neither for the quota tree updates nor for the...

CVE-2026-43403: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: nsfs: tighten permission checks for ns iteration ioctls Even privileged services should not necessarily be able to see other privileged service's namespaces so they can't leak information to each other. Use mayseeallnamespaces...

CVE-2026-43338: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: btrfs: reserve enough transaction items for qgroup ioctls Currently our qgroup ioctls don't reserve any space, they just do a transaction join, which does not reserve any space, neither for the quota tree updates nor for the...

PT-2026-37043

Name of the Vulnerable Software and Affected Versions Realtek rtl819x Jungle SDK versions prior to v3.4.14B Description The rtl8192cd Wi-Fi kernel driver fails to perform access control checks on the write mem ioctl 0x89F5 and read mem ioctl 0x89F6 debug handlers. These handlers are included in...

PT-2026-51969

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the Point-to-Point Protocol PPP implementation where /dev/ppp open is authorized against file-f cred-user ns, while unattached administrative ioctls operate on...

CVE-2026-23238: Reachable Assertion

In the Linux kernel, the following vulnerability has been resolved: romfs: check sbsetblocksize return value romfsfillsuper ignores the return value of sbsetblocksize, which can fail if the requested block size is incompatible with the block device's configuration. This can be triggered by settin...