kernel: ipc: limit next_id allocation to the valid ID range

A flaw was found in the Linux kernel. The ipcidralloc function, used in the checkpoint/restore path for SysV Inter-Process Communication IPC ID allocation, does not properly limit ID allocation to the valid range. This can result in the system attempting to dereference freed memory, leading to a...

JLSEC-2026-804 Deserialization of untrusted data in IPC and Parquet readers in the Apache Arrow R package...

Deserialization of untrusted data in IPC and Parquet readers in the Apache Arrow R package versions 4.0.0 through 16.1.0 allows arbitrary code execution. An application is vulnerable if it reads Arrow IPC, Feather or Parquet data from untrusted sources for example, user-supplied input files. This...

RockyLinux 8 : kernel (RLSA-2026:45115)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:45115 advisory. kernel: KVM: x86: Don't recheck L1 intercepts when completing userspace I/O CVE-2025-40026 kernel: xfrm single-frag length not properly limited kernel: ...

CVE-2026-47122 Sparkle's AppInstaller post-stage-1 XPC listener accepts unvalidated connections, allowing spoofed appcast item data injection

Sparkle is a software update framework for macOS. In versions up to and including 2.9.1, Autoupdate/AppInstaller.m's shouldAcceptNewConnection: only enforces SUCodeSigningVerifier validateConnection: before stage 1 completes. After performedStage1Installation = YES, new connections to the...

EUVD-2026-44895

A local privilege escalation vulnerability in ESET Inspect Connector. The vulnerability was caused by improper authentication in an IPC channel...

CVE-2026-6423 Local privilege escalation via unauthenticated ALPC in ESET Inspect Connector

A local privilege escalation vulnerability in ESET Inspect Connector. The vulnerability was caused by improper authentication in an IPC channel...

CVE-2026-6423

CVE-2026-6423 concerns a local privilege escalation in the ESET Inspect Connector caused by improper authentication on an ALPC IPC channel. The CVSS 4.0 vector (AV:L/AC:L/PR:L/UI:N/ATT:N/VC:H/VI:H/SA:N/SI:N/VA:H) yields a base score of 8.5 (HIGH). Reported impact indicates elevated confidentialit...

OESA-2026-2929 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: ipc: limit nextid allocation to the valid ID range The checkpoint/restore sysctl path can request the next SysV IPC id through ids-nextid. ipcidralloc currently...

SUSE-SU-2026:2745-1 Security update for firewalld-legacy

This update for firewalld-legacy fixes the following issue - CVE-2026-4948: local unprivileged users can modify firewall state due to D-Bus setter mis-authorizations bsc1260903...

EUVD-2026-41483

External Control of File Name or Path vulnerability in ASUS Business Manager allows a local user to execute arbitrary code with SYSTEM privileges via a tampered IPC message. Refer to the ' Security Update for ASUS Business Manager ' section on the ASUS Security Advisory for more information...

EUVD-2026-40052

Because O+ Connect's IPC service does not authenticate clients, external applications can escalate privileges and perform sensitive actions through the IPC channel...

CVE-2026-22078

Because O+ Connect's IPC service does not authenticate clients, external applications can escalate privileges and perform sensitive actions through the IPC channel...

ipc/shm: serialize orphan cleanup with shm_nattch updates

...

EUVD-2026-39293

In the Linux kernel, the following vulnerability has been resolved: accel/ivpu: Fix signed integer truncation in IPC receive Fix potential buffer overflow where firmware-supplied datasize is cast to signed int before being used in mint. Large unsigned values = 0x80000000 become negative, causing...

CVE-2026-53202 accel/ivpu: Fix signed integer truncation in IPC receive

In the Linux kernel, the following vulnerability has been resolved: accel/ivpu: Fix signed integer truncation in IPC receive Fix potential buffer overflow where firmware-supplied datasize is cast to signed int before being used in mint. Large unsigned values = 0x80000000 become negative, causing...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: ipc4-topology: Corrected the allocation size for bytes controls. The size of the data behind scontrol-ipccontroldata for bytes controls is as follows: 1 sizeofstruct sofipc4controldata + // kernel-only struct 2...

Astra Linux – Vulnerability in Systemd

Systemd, a system and service manager, as PID 1 encounters an assertion error and freezes execution when an unprivileged IPC API call is made with spurious data. In versions v249 and earlier, the effect is not an assertion error, but stack overwriting, with the content being controlled by the...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: ipc: Fix for use-after-free in ipcmsgsendrequest The ipcmsgsendrequest function waits for a generic netlink reply using an ipcmsgtableentry on the stack. The generic netlink handler handlegenericevent/handleresponse fil...

CVE-2026-52930 ipc/shm: serialize orphan cleanup with shm_nattch updates

In the Linux kernel, the following vulnerability has been resolved: ipc/shm: serialize orphan cleanup with shmnattch updates shmdestroyorphaned walks the shm idr under shmidsns.rwsem, but that does not serialize all fields tested by shmmaydestroy. In particular, shmnattch is updated while holding...

CVE-2026-52923 ipc: limit next_id allocation to the valid ID range

In the Linux kernel, the following vulnerability has been resolved: ipc: limit nextid allocation to the valid ID range The checkpoint/restore sysctl path can request the next SysV IPC id through ids-nextid. ipcidralloc currently forwards that request to idralloc with an open-ended upper bound. If...