OESA-2026-2173 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: icmp: fix NULL pointer dereference in icmptagvalidation icmptagvalidation unconditionally dereferences the result of rcudereferenceinetprotosproto without checki...

Telegram Desktop 安全漏洞

Telegram Desktop is the desktop version of Telegram’s open-source instant messaging mobile application. Versions of Telegram Desktop prior to 6.7.5 contained a security vulnerability. This vulnerability stemmed from the function RequestButton in the Bot API component, specifically the handling of...

PT-2026-36705

Name of the Vulnerable Software and Affected Versions Telegram Desktop versions prior to 6.7.6 Description A null pointer dereference a condition where a program attempts to read from a memory address that is null, typically causing a crash can be triggered remotely in the Bot API component. The...

CVE-2026-7701: NULL Pointer Dereference

A security vulnerability has been detected in Telegram Desktop up to 6.7.5. This vulnerability affects the function RequestButton of the file Telegram/SourceFiles/boxes/urlauthbox.cpp of the component Bot API. The manipulation of the argument loginurl leads to null pointer dereference. It is...

Null-pointer dereference and double-free via safe APIs

Two soundness violations exist in the Rust bindings for MetaCall: Null-pointer dereference: MetaCallFuture::newraw accepts a raw pointer without validation. The Debug impl calls Box::fromrawself.data on it. Passing a null pointer causes the Debug impl to construct a NonNull from null, producing...

CVE-2026-6525 NULL Pointer Dereference in Wireshark

IEEE 802.11 protocol dissector crash in Wireshark 4.6.0 to 4.6.4...

CVE-2026-6525 NULL Pointer Dereference in Wireshark

IEEE 802.11 protocol dissector crash in Wireshark 4.6.0 to 4.6.4...

ntp: Fix of 2 CVEs

CVE-2018-7185: unauthenticated packet with a zero-origin timestamp can reset an authenticated interleave association leading to denial of service. - CVE-2019-8936: NULL pointer dereference triggered by an authenticated mode 6 control packet with no value field...

CVE-2026-6525: NULL Pointer Dereference

IEEE 802.11 protocol dissector crash in Wireshark 4.6.0 to 4.6.4...

Linux Distros Unpatched Vulnerability : CVE-2026-31728

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - usb: gadget: uether: Fix race between getherdisconnect and ethstop A race condition between getherdisconnect and ethstop leads to a NULL pointer dereference...

CVE-2026-43058: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: media: vidtv: fix pass-by-value structs causing MSAN warnings vidtvtsnullwriteinto and vidtvtspcrwriteinto take their argument structs by value, causing MSAN to report uninit-value warnings. While only vidtvtsnullwriteinto has...

CVE-2026-31749

A flaw was found in the niatmio16d driver within the Comedi Comedi is a collection of drivers for data acquisition equipment subsystem of the Linux kernel. This vulnerability occurs when an error during the driver's attach process causes the cleanup function atmio16ddetach to be called with...

CVE-2026-31736

A flaw was found in the Linux kernel's mtkppe Ethernet driver. When the gmac0 interface is disabled, a precheck for a valid ingress device can lead to a NULL pointer dereference. This vulnerability can cause a system crash, resulting in a Denial of Service DoS...

CVE-2026-31727

A flaw was found in the Linux kernel's USB gadget subsystem, specifically within the uether module. A local user can exploit this vulnerability by using a userspace tool to query a USB gadget interface during a specific detached state. This action can trigger a NULL pointer dereference, potential...

CVE-2026-31726

A flaw was found in the Linux kernel's USB Video Class UVC gadget driver. A race condition during power management PM transitions can cause a null pointer dereference. This occurs when the system attempts to access a deallocated gadget pointer, leading to a kernel panic. This vulnerability can be...

CVE-2026-31715

A flaw was found in the Linux kernel's Flash-Friendly File System f2fs. A use-after-free vulnerability exists due to incorrect handling of page counts during concurrent write operations and unmounting. This can lead to a NULL pointer dereference, causing the system to panic and resulting in a...

CVE-2026-43013

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: lag: Check for LAG device before creating debugfs mlx5lagdevaddmdev may return 0 success even when an error occurs that is handled gracefully. Consequently, the initialization flow proceeds to call mlx5ldevadddebugfs ev...

CVE-2026-31728

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uether: Fix race between getherdisconnect and ethstop A race condition between getherdisconnect and ethstop leads to a NULL pointer dereference. Specifically, if ethstop is triggered concurrently while getherdisconne...

CVE-2026-31727

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uether: Fix NULL pointer deref in ethgetdrvinfo Commit ec35c1969650 "usb: gadget: fncm: Fix netdevice lifecycle with devicemove" reparents the gadget device to /sys/devices/virtual during unbind, clearing the gadget...

CVE-2026-31727

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uether: Fix NULL pointer deref in ethgetdrvinfo Commit ec35c1969650 "usb: gadget: fncm: Fix netdevice lifecycle with devicemove" reparents the gadget device to /sys/devices/virtual during unbind, clearing the gadget...