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 accessing offline CPU data when the Turbo Boost feature is disabled. This vulnerability may lead ...

CVE-2026-23293: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: net: vxlan: fix ndtbl NULL dereference when IPv6 is disabled When booting with the 'ipv6.disable=1' parameter, the ndtbl is never initialized because inet6init exits before ndiscinit is called which initializes it. If an IPv6...

CVE-2026-23328: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Fix NULL pointer dereference of mgmtchann mgmtchann may be set to NULL if the firmware returns an unexpected error in aie2sendmgmtmsgwait. This can later lead to a NULL pointer dereference in aie2hwstop. Fix this b...

CVE-2026-23382: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: HID: Add HIDCLAIMEDINPUT guards in rawevent callbacks missing them In commit 2ff5baa9b527 "HID: appleir: Fix potential NULL dereference at raw event handle", we handle the fact that raw event callbacks can happen even for a HID...

CVE-2026-23349: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: HID: pidff: Fix condition effect bit clearing As reported by MPDarkGuy on discord, NULL pointer dereferences were happening because not all the conditional effects bits were cleared. Properly clear all conditional effect bits fro...

CVE-2026-23286: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: atm: lec: fix null-ptr-deref in lecarpclearvccs syzkaller reported a null-ptr-deref in lecarpclearvccs. This issue can be easily reproduced using the syzkaller reproducer. In the ATM LANE LAN Emulation module, the same atmvcc can...

CVE-2026-23309: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: tracing: Add NULL pointer check to triggerdatafree If triggerdataalloc fails and returns NULL, eventhisttriggerparse jumps to the outfree error path. While kfree safely handles a NULL pointer, triggerdatafree does not. This cause...

Linux Distros Unpatched Vulnerability : CVE-2026-32854

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - LibVNCServer versions 0.9.15 and prior fixed in commit dc78dee contain null pointer dereference vulnerabilities in the HTTP proxy handlers within httpProcessInp...

CVE-2026-23285: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: drbd: fix null-pointer dereference on local read error In drbdrequestendio, READCOMPLETEDWITHERROR is passed to reqmod with a NULL peerdevice: reqmodreq, what, NULL, &m; The READCOMPLETEDWITHERROR handler then unconditionally...

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 clear all conditional effect bits, potentially leading to null pointer dereferencing...

CVE-2026-23381: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: net: bridge: fix ndtbl NULL dereference when IPv6 is disabled When booting with the 'ipv6.disable=1' parameter, the ndtbl is never initialized because inet6init exits before ndiscinit is called which initializes it. Then, if...

CVE-2026-23300: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: net: ipv6: fix panic when IPv4 route references loopback IPv6 nexthop When a standalone IPv6 nexthop object is created with a loopback device e.g., "ip -6 nexthop add id 100 dev lo", fib6nhinit misclassifies it as a reject route...

CVE-2026-23341: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Fix crash when destroying a suspended hardware context If userspace issues an ioctl to destroy a hardware context that has already been automatically suspended, the driver may crash because the mailbox channel...

CVE-2026-23279: Undefined Security Weakness

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: ifmsh-chswttl = elems-meshchanswparamsie-meshttl;...

Linux Distros Unpatched Vulnerability : CVE-2026-23348

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - cxl: Fix race of nvdimmbus object when creating nvdimm objects Found issue during running of cxl- translate.sh unit test. Adding a 3s sleep right before the tes...

Linux Distros Unpatched Vulnerability : CVE-2026-23366

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - drm/client: Do not destroy NULL modes 'modes' in drmclientmodesetprobe may fail to kcalloc. If this occurs, we jump to 'out', calling modesdestroy on it, which...

The vulnerability of the libexpat library for analyzing XML files, related to the swapping of the zero pointer, allows an attacker to trigger a service failure.

The vulnerability of the libexpat library for analyzing XML files is related to the use of a zero pointer. Exploiting this vulnerability could allow an attacker to cause a service failure...

CVE-2026-23332: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: cpufreq: intelpstate: Fix crash during turbo disable When the system is booted with kernel command line argument "nosmt" or "maxcpus" to limit the number of CPUs, disabling turbo via: echo 1...

CVE-2026-28886: NULL Pointer Dereference

A null pointer dereference was addressed with improved input validation. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. A user in a privileged network position may ...

CVE-2026-23369: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: i2c: i801: Revert "i2c: i801: replace acpilock with I2C bus lock" This reverts commit f707d6b9e7c18f669adfdb443906d46cfbaaa0c1. Under rare circumstances, multiple udev threads can collect i801 device info on boot and walk...