CVE-2026-99227

In the Linux kernel, the following vulnerability has been resolved: iouring/waitid: prevent cancel reference wrap iowaitid packs the cancellation state into bit 31 of -refs and uses bits 30:0 as a 31-bit reference counter: define IOWAITIDCANCELFLAG BIT31 define IOWAITIDREFMASK GENMASK30, 0...

CVE-2026-99227

In the Linux kernel, the following vulnerability has been resolved: iouring/waitid: prevent cancel reference wrap iowaitid packs the cancellation state into bit 31 of -refs and uses bits 30:0 as a 31-bit reference counter: define IOWAITIDCANCELFLAG BIT31 define IOWAITIDREFMASK GENMASK30, 0...

CVE-2026-99227 io_uring/waitid: prevent cancel reference wrap

In the Linux kernel, the following vulnerability has been resolved: iouring/waitid: prevent cancel reference wrap iowaitid packs the cancellation state into bit 31 of -refs and uses bits 30:0 as a 31-bit reference counter: define IOWAITIDCANCELFLAG BIT31 define IOWAITIDREFMASK GENMASK30, 0...

EUVD-2026-115269

In the Linux kernel, the following vulnerability has been resolved: iouring/waitid: prevent cancel reference wrap iowaitid packs the cancellation state into bit 31 of -refs and uses bits 30:0 as a 31-bit reference counter: define IOWAITIDCANCELFLAG BIT31 define IOWAITIDREFMASK GENMASK30, 0...

CVE-2026-99227 io_uring/waitid: prevent cancel reference wrap

In the Linux kernel, the following vulnerability has been resolved: iouring/waitid: prevent cancel reference wrap iowaitid packs the cancellation state into bit 31 of -refs and uses bits 30:0 as a 31-bit reference counter: define IOWAITIDCANCELFLAG BIT31 define IOWAITIDREFMASK GENMASK30, 0...

Astra Linux – vulnerability in linux-6.1

In the Linux kernel, the following vulnerability has been resolved: scsi: elx: efct: Fix refcount leak in efcthwioabort When efcthwreqtagalloc fails in efcthwioabort, the error path returns -ENOSPC without releasing the reference obtained via krefgetunlesszero earlier in the function. All other...

Astra Linux – vulnerability in linux-6.1

In the Linux kernel, the following vulnerability has been resolved: iio: dac: m62332: Fix regulator reference count imbalance m62332setvalue enables the Vcc regulator on every write of a non-zero value and disables it on every write of zero, without tracking the channel’s current state. Since the...

Astra Linux – vulnerability in linux-6.1

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: pci: Fix memory accounting for pinned/unpinned pages The accountmem and unaccountmem functions call getuid, which increments the reference count of struct userstruct on every invocation. However, we do not decrement th...

Astra Linux – vulnerability in linux-6.1

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix socket refcount leak in smcswitchconns smcswitchconns takes a reference on the SMC socket before dropping lgr-connslock, so the connection remains alive while the CDC slot is fetched: sockhold&smc-sk;...

Astra Linux – vulnerability in linux-6.1

In the Linux kernel, the following vulnerability has been resolved: bus: mhi: ep: Fix device refcount leak in the error path of MHI device creation mhiepcreatedevice takes one device reference for the UL channel and another for the DL channel after allocating the transfer device. These references...

CVE-2026-99161

A flaw was found in the Linux kernel's VIA/Wondermedia I2C driver. The driver fails to properly release clock resources if an initialization error occurs or when the driver is unloaded. A local user could exploit this flaw to cause an unreleased reference count leak, potentially leading to resour...

CVE-2026-43494-PinTheft-PoC

SLEY — PinTheft PoC CVE-2026-43494 Proof of concept — uid=1000raken → uid=0root after ./sley on WSL2 6.6.87.2-microsoft-standard-WSL2 Single-file proof-of-concept for CVE-2026-43494 PinTheft: a Linux kernel local privilege escalation that chains an RDS zerocopy reference-count bug with iouring...

CVE-2026-53365

CVE-2026-53365 — VsockDrop:iouring + AFVSOCK Zero-Copy Reference Count Underflow, Page-Cache Overwrite Privilege Escalation HackSpeak distribution mirror. This repository is a distribution mirror of MaherAzzouzi/vsockdrop , with code identical to upstream; upstream does not include a LICENSE, so...

cve-2026-23111-poc

CVE-2026-23111 For more details, see notes.md Description CVE Description from NIST An inverted logical check in nftmapcatchallactivate causes nftchain-use reference count to not be restored when a DELSET operation is aborted. This allows triggering UAF, and can be abused to obtain local privileg...

CVE-2026-43494-PinTheft-PoC

SLEY — PinTheft PoC CVE-2026-43494 Proof of concept — uid=1000raken → uid=0root after ./sley on WSL2 6.6.87.2-microsoft-standard-WSL2 Single-file proof-of-concept for CVE-2026-43494 PinTheft: a Linux kernel local privilege escalation that chains an RDS zerocopy reference-count bug with iouring...

CVE-2026-99150

A flaw was found in the Linux kernel's AMD GPU driver. When an error occurs while copying register data to user space during a debugfs read operation, the driver improperly releases a runtime Power Management PM reference twice. A local user could exploit this flaw by providing an invalid memory...

OESA-2026-4591 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: ocfs2: clear extent cache after moving/defragmenting extents The extent map cache can become stale when extents are moved or defragmented, causing subsequent...

CVE-2026-99019

A flaw was found in the Linux kernel's SCSI changer driver, which can lead to a Denial of Service DoS. The driver retains unreleased device references after reading changer configuration data, preventing removed devices from being properly cleaned up. An attacker or local user interacting with SC...

CVE-2026-93224

A flaw was found in the Linux kernel. This vulnerability can lead to a Denial of Service DoS due to improper error handling during connection cleanup in the Remote Direct Memory Access RDMA server subsystem. When a connection accept operation fails before registration completes, the kernel...

CVE-2026-93223

A flaw was found in the Linux kernel's Tegra video driver, which can lead to a Denial of Service DoS. When parsing video input channels, the driver improperly drops an object reference during error handling without having previously acquired it. A local user could exploit this vulnerability by...