CVE-2026-23435 perf/x86: Move event pointer setup earlier in x86_pmu_enable()

In the Linux kernel, the following vulnerability has been resolved: perf/x86: Move event pointer setup earlier in x86pmuenable A production AMD EPYC system crashed with a NULL pointer dereference in the PMU NMI handler: BUG: kernel NULL pointer dereference, address: 0000000000000198 RIP:...

CVE-2026-23433

In the Linux kernel, the following vulnerability has been resolved: armmpam: Fix null pointer dereference when restoring bandwidth counters When an MSC supporting memory bandwidth monitoring is brought offline and then online, mpamrestorembwustate calls rismsmonread via ipi to restore the...

CVE-2026-23433

CVE-2026-23433 concerns the Linux kernel arm_mpam component and memory bandwidth monitoring. The root cause is a null pointer dereference in mpam_restore_mbwu_state: when an MSC is offline then online, __ris_msmon_read() is invoked via IPIs to restore bandwidth-counter configuration, but mbwu_arg...

CVE-2026-23433 arm_mpam: Fix null pointer dereference when restoring bandwidth counters

In the Linux kernel, the following vulnerability has been resolved: armmpam: Fix null pointer dereference when restoring bandwidth counters When an MSC supporting memory bandwidth monitoring is brought offline and then online, mpamrestorembwustate calls rismsmonread via ipi to restore the...

CVE-2026-23433 arm_mpam: Fix null pointer dereference when restoring bandwidth counters

In the Linux kernel, the following vulnerability has been resolved: armmpam: Fix null pointer dereference when restoring bandwidth counters When an MSC supporting memory bandwidth monitoring is brought offline and then online, mpamrestorembwustate calls rismsmonread via ipi to restore the...

K000160611: Linux kernel vulnerabilities CVE-2026-23279, CVE-2026-23281, and CVE-2026-23367

Security Advisory Description CVE-2026-23279 In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fix NULL pointer dereference in meshrxcsaframe In meshrxcsaframe, elems-meshchanswparamsie is dereferenced at lines 1638 and 1642 without a prior NULL check:...

OESA-2026-1833 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: timers: Fix NULL function pointer race in timershutdownsync There is a race condition between timershutdownsync and timer expiration that can lead to hitting a...

PT-2026-30169

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contained a flaw where controller per-cpu statistics were not allocated until after the controller was registered, creating a window where accessing sysfs attributes cou...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the reuse of freed resources, potentially leading to null pointer dereferencing...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the lack of null pointer checking in the inteldmcupdatedc6allowedcount function. This vulnerabili...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from improper setting of event pointers, potentially leading to null pointer dereferencing...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the failure to initialize local variables when restoring the bandwidth counter. This vulnerability may...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from improper access protection during hierarchical structure reading. This vulnerability may lead to null...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the mana.hwc.destroychannel function’s ability to re-use memory after release, potentially leadin...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the improper timing of the SPI controller’s statistics allocation. This vulnerability may lead to null...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from outdated pointer handling in the XDP TX timestamp mechanism, potentially leading to null pointer...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the drmdevunplug function’s ability to re-use resources after release, potentially leading to nul...

SUSE: Security Advisory (SUSE-SU-2026:20922-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the lack of checking for empty pointers, potentially leading to dereferencing of empty pointers...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from cleaning up subobjects before the RCU grace period, potentially leading to null pointer dereferencing...