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 verification of the minimum block len in the ncmunwrapntb function. This vulnerabilit...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007252)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007252 advisory. In the Linux kernel, the following vulnerability has been resolved: net: cdcncm: Deal with too low values of dwNtbOutMaxSize Currently in cdcncmchecktxmax, if...

PT-2026-34969

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the USB Network Control Model NCM gadget driver. An integer underflow occurs in the ncm unwrap ntb function when processing Network Transfer Block NTB headers because th...

Linux Distros Unpatched Vulnerability : CVE-2026-23448

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: usb: cdcncm: add ndpoffset to NDP16 nframes bounds check cdcncmrxverifyndp16 validates that the NDP header and its DPE entries fit within the skb. The firs...

SUSE CVE-2026-23448

In the Linux kernel, the following vulnerability has been resolved: net: usb: cdcncm: add ndpoffset to NDP16 nframes bounds check cdcncmrxverifyndp16 validates that the NDP header and its DPE entries fit within the skb. The first check correctly accounts for ndpoffset: if ndpoffset + sizeofstruct...

CVE-2026-23447

In the Linux kernel, the following vulnerability has been resolved: net: usb: cdcncm: add ndpoffset to NDP32 nframes bounds check The same bounds-check bug fixed for NDP16 in the previous patch also exists in cdcncmrxverifyndp32. The DPE array size is validated against the total skb length withou...

CVE-2026-23448

In the Linux kernel, the following vulnerability has been resolved: net: usb: cdcncm: add ndpoffset to NDP16 nframes bounds check cdcncmrxverifyndp16 validates that the NDP header and its DPE entries fit within the skb. The first check correctly accounts for ndpoffset: if ndpoffset + sizeofstruct...

CVE-2026-23447

In the Linux kernel, the following vulnerability has been resolved: net: usb: cdcncm: add ndpoffset to NDP32 nframes bounds check The same bounds-check bug fixed for NDP16 in the previous patch also exists in cdcncmrxverifyndp32. The DPE array size is validated against the total skb length withou...

CVE-2026-23448

In the Linux kernel, the following vulnerability has been resolved: net: usb: cdcncm: add ndpoffset to NDP16 nframes bounds check cdcncmrxverifyndp16 validates that the NDP header and its DPE entries fit within the skb. The first check correctly accounts for ndpoffset: if ndpoffset + sizeofstruct...

CVE-2026-23447 net: usb: cdc_ncm: add ndpoffset to NDP32 nframes bounds check

In the Linux kernel, the following vulnerability has been resolved: net: usb: cdcncm: add ndpoffset to NDP32 nframes bounds check The same bounds-check bug fixed for NDP16 in the previous patch also exists in cdcncmrxverifyndp32. The DPE array size is validated against the total skb length withou...

CVE-2026-23447 net: usb: cdc_ncm: add ndpoffset to NDP32 nframes bounds check

In the Linux kernel, the following vulnerability has been resolved: net: usb: cdcncm: add ndpoffset to NDP32 nframes bounds check The same bounds-check bug fixed for NDP16 in the previous patch also exists in cdcncmrxverifyndp32. The DPE array size is validated against the total skb length withou...

CVE-2026-23447

In the Linux kernel, the following vulnerability has been resolved: net: usb: cdcncm: add ndpoffset to NDP32 nframes bounds check The same bounds-check bug fixed for NDP16 in the previous patch also exists in cdcncmrxverifyndp32. The DPE array size is validated against the total skb length withou...

EUVD-2026-15271

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fncm: align netdevice lifecycle with bind/unbind Currently, the netdevice is allocated in ncmallocinst and freed in ncmfreeinst. This ties the network interface's lifetime to the configuration instance rather than th...

CVE-2026-23320

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

CVE-2026-23320

Removed by vendor...

CVE-2026-23320

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fncm: align netdevice lifecycle with bind/unbind Currently, the netdevice is allocated in ncmallocinst and freed in ncmfreeinst. This ties the network interface's lifetime to the configuration instance rather than th...

PT-2026-30143

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw within the cdc ncm rx verify ndp16 function where the bounds check for NDP16 nframes omits the ndpoffset value. This allows the DPE entries to extend pas...

PT-2026-30142

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A bounds-check issue exists in the cdc ncm rx verify ndp32 function within the Linux kernel's networking subsystem for USB Network cdc ncm. The issue arises from a failure to account for...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-005522)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005522 advisory. In the Linux kernel, the following vulnerability has been resolved: CDC-NCM: avoid overflow in sanity checking A broken device may give an extreme offset like 0xFFF0...

Azure Linux 3.0 Security Update: kernel (CVE-2025-37812)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-37812 advisory. - In the Linux kernel, the following vulnerability has been resolved: usb: cdns3: Fix deadlock when using NCM...