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 usb class CCDC-WDM driver’s ability to reorder the update of desc-length during code reading,...

PT-2026-39082

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw in the f ncm USB gadget driver allows a network device to outlive its parent gadget device during disconnection. This leads to dangling sysfs links and null pointer dereference...

PT-2026-39085

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference exists in the USB Target driver's nexus handling. The tpg-tpg nexus pointer is dynamically managed via ConfigFS and can be NULL if a USB host sends requests...

PT-2026-39092

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference occurs when reading portli debugfs files. This happens when the number of port registers counted in xhci-max ports exceeds the ports reported by Supported...

Linux Distros Unpatched Vulnerability : CVE-2026-43423

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fncm: Fix atomic context locking issue The ncmsetalt function was holding a mut...

PT-2026-39084

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the usb gadget f ncm component where the ncm set alt function holds a mutex to prevent races with configfs. This action invokes a sleeping function within an atomic...

Linux Distros Unpatched Vulnerability : CVE-2026-43327

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - USB: dummy-hcd: Fix locking/synchronization error Syzbot testing was able to provoke an addressing exception and crash in the usbgadgetudcreset routine in...

Linux Distros Unpatched Vulnerability : CVE-2026-43425

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - usb: image: mdc800: kill download URB on timeout mdc800deviceread submits downloadurb and waits for completion. If the timeout fires and the device has not...

Exploit for CVE-2026-40003

CVE-2026-40003 aka Joselito is arbitrary memory write vulnerabil...

CVE-2026-43231

A flaw was found in the media: radio-keene driver within the Linux kernel. This vulnerability occurs due to a memory leak in the usbkeeneprobe function's error path. If device registration fails, the video for Linux 2 v4l2 control handler is not properly released, causing memory to be consumed ov...

USN-8245-1: Linux kernel vulnerabilities

Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify the signature of CPU microcode. This flaw is known as EntrySign. A privileged attacker could possibly use this issue to cause load malicious CPU microcod...

SUSE CVE-2026-31723

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fsubset: Fix netdevice lifecycle with devicemove The netdevice is allocated during function instance creation and registered during the bind phase with the gadget device as its sysfs parent. When the function unbinds...

SUSE CVE-2026-31757

In the Linux kernel, the following vulnerability has been resolved: usb: misc: usbio: Fix URB memory leak on submit failure When usbsubmiturb fails in usbioprobe, the previously allocated URB is never freed, causing a memory leak. Fix this by jumping to errfreeurb label to properly release the UR...

SUSE CVE-2026-43136

In the Linux kernel, the following vulnerability has been resolved: HID: logitech-hidpp: Check maxfield in hidppgetreportlength Do not crash when a report has no fields. Fake USB gadgets can send their own HID report descriptors and can define report structures without valid fields. This can be...

SUSE CVE-2026-43156

In the Linux kernel, the following vulnerability has been resolved: net: usb: pegasus: enable basic endpoint checking pegasusprobe fills URBs with hardcoded endpoint pipes without verifying the endpoint descriptors: - usbrcvbulkpipedev, 1 for RX data - usbsndbulkpipedev, 2 for TX data -...

SUSE CVE-2026-43223

In the Linux kernel, the following vulnerability has been resolved: media: pvrusb2: fix URB leak in pvr2sendrequestex When pvr2sendrequestex submits a write URB successfully but fails to submit the read URB e.g. returns -ENOMEM, it returns immediately without waiting for the write URB to complete...

SUSE CVE-2026-43250

In the Linux kernel, the following vulnerability has been resolved: usb: chipidea: udc: fix DMA and SG cleanup in epnuke The ChipIdea UDC driver can encounter "not page aligned sg buffer" errors when a USB device is reconnected after being disconnected during an active transfer. This occurs becau...

SUSE CVE-2026-43255

In the Linux kernel, the following vulnerability has been resolved: wifi: libertas: fix WARNING in usbtxblock The function usbtxblock submits cardp-txurb without ensuring that any previous transmission on this URB has completed. If a second call occurs while the URB is still active e.g. during...

CVE-2026-40003

ZTE ZX297520V3 BootROM contains a vulnerability that allows arbitrary memory writes via USB. Attackers can exploit the lack of target address validation in the USB download mode to write data to any location in BootROM runtime memory, thereby overwriting the stack, hijacking the execution flow,...

The vulnerability of the USB HID protocol analyzer, a network traffic analyzer for computer networks, allows a hacker to cause a service failure.

The vulnerability of the USB HID protocol analyzer, a network traffic analyzer for computer networks, Wireshark, is related to the execution of a loop with an unavailable exit condition. Exploiting this vulnerability can allow attackers to cause service failures...