kernel: Linux kernel t7xx WWAN driver: Denial of Service via buffer overflow

A flaw was found in the Linux kernel's t7xx WWAN driver. A malicious, buggy, or compromised modem firmware can exploit this by sending packets with excessive fragments. This leads to a buffer overflow in the skbshinfoskb-frags array, corrupting adjacent memory. This can result in kernel crashes o...

kernel: Linux kernel t7xx WWAN driver: Denial of Service via buffer overflow

A flaw was found in the Linux kernel's t7xx WWAN driver. A malicious, buggy, or compromised modem firmware can exploit this by sending packets with excessive fragments. This leads to a buffer overflow in the skbshinfoskb-frags array, corrupting adjacent memory. This can result in kernel crashes o...

ALSA-2026:68570 Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: Linux kernel t7xx WWAN driver: Denial of Service via buffer overflow CVE-2026-23172 kernel: xfrm: hold dev ref until after transportfinish NFHOOK CVE-2026-31663 kernel: RDMA/rxe: Fix race...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: wwan: iosm: Device offsets in the MUX downlink decoder were incorrectly handled. The muxdladbdecode function iterates through a chain of aggregated datagram tables, using offsets and lengths provided by the modem. Values suc...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: wwan: t7xx: check skbclone in control TX The function t7xxportctrltx clones each skb fragment before passing it to the port transmit path. The cloning operation is used immediately to set cloned-len. Therefore, a failure in...

Linux Distros Unpatched Vulnerability : CVE-2026-72029

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: wwan: iosm: bound device offsets in the MUX downlink decoder muxdladbdecode walks a chain of aggregated datagram tables using offsets and lengths taken fro...

CVE-2026-74263

In the Linux kernel, the following vulnerability has been resolved: net: wwan: t7xx: check skbclone in control TX t7xxportctrltx clones each skb fragment before passing it to the port transmit path. The clone is used immediately to set cloned-len, so an skbclone failure results in a NULL pointer...

CVE-2026-74263

In the Linux kernel, the following vulnerability has been resolved: net: wwan: t7xx: check skbclone in control TX t7xxportctrltx clones each skb fragment before passing it to the port transmit path. The clone is used immediately to set cloned-len, so an skbclone failure results in a NULL pointer...

CVE-2026-72029

In the Linux kernel, the following vulnerability has been resolved: net: wwan: iosm: bound device offsets in the MUX downlink decoder muxdladbdecode walks a chain of aggregated datagram tables using offsets and lengths taken from the modem. firsttableindex, nexttableindex, tablelength,...

UBUNTU-CVE-2026-72029

In the Linux kernel, the following vulnerability has been resolved: net: wwan: iosm: bound device offsets in the MUX downlink decoder muxdladbdecode walks a chain of aggregated datagram tables using offsets and lengths taken from the modem. firsttableindex, nexttableindex, tablelength,...

CVE-2026-74263 net: wwan: t7xx: check skb_clone in control TX

In the Linux kernel, the following vulnerability has been resolved: net: wwan: t7xx: check skbclone in control TX t7xxportctrltx clones each skb fragment before passing it to the port transmit path. The clone is used immediately to set cloned-len, so an skbclone failure results in a NULL pointer...

CVE-2026-74263

The CVE affects the Linux kernel net: wwan: t7xx driver. In t7xx_port_ctrl_tx, each skb fragment is cloned and the clone is immediately used to set cloned->len; if skb_clone() fails, a NULL pointer dereference can occur. The fix checks the clone before using it and, when previous fragments are...

EUVD-2026-59017

In the Linux kernel, the following vulnerability has been resolved: net: wwan: t7xx: destroy DMA pool on CLDMA late init failure t7xxcldmalateinit creates mdctrl-gpddmapool before initializing the TX and RX rings. If any ring initialization fails, the error path frees the already initialized ring...

EUVD-2026-58987

In the Linux kernel, the following vulnerability has been resolved: net: wwan: iosm: bound device offsets in the MUX downlink decoder muxdladbdecode walks a chain of aggregated datagram tables using offsets and lengths taken from the modem. firsttableindex, nexttableindex, tablelength,...

PT-2026-72248

In the Linux kernel, the following vulnerability has been resolved: net: wwan: t7xx: destroy DMA pool on CLDMA late init failure t7xx cldma late init creates md ctrl-gpd dmapool before initializing the TX and RX rings. If any ring initialization fails, the error path frees the already initialized...

Linux Distros Unpatched Vulnerability : CVE-2023-53561

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: wwan: iosm: fix NULL pointer dereference when removing device In suspend and resume cycle, the removal and rescan of device ends up in NULL pointer...

CVE-2022-49855

In the Linux kernel, the following vulnerability has been resolved: net: wwan: iosm: fix memory leak in ipcpciereadbioscfg ipcpciereadbioscfg is using the acpievaluatedsm to obtain the wwan power state configuration from BIOS but is not freeing the acpiobject. The acpievaluatedsm returned...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a memory leak in the ipcwwandellink function in the wwan iosm driver...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the ipcpciereadbioscfg function in the wwan driver not freeing the acpiobject, which could lead to a memory...

CVE-2024-39282

In the Linux kernel, the following vulnerability has been resolved: net: wwan: t7xx: Fix FSM command timeout issue When driver processes the internal state change command, it use an asynchronous thread to process the command operation. If the main thread detects that the task has timed out, the...