PT-2026-72846

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw88: fix OOB read from firmware RX descriptor exceeding DMA buffer In rtw pci rx napi, new len is computed as the sum of pkt len 14-bit descriptor field, max 16383 and pkt offset drv info sz + shift, both...

The vulnerability of the wireless/realtek/rtw88/rtw8822b.c component of the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the wireless/realtek/rtw88/rtw8822b.c component of the Linux operating system is related to incomplete recognition of its internal state. Exploiting this vulnerability can allow an attacker to cause a service failure...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: wifi: rtw88: Use devmkmemdup in rtw89setsupportedband. The code has been simplified by using device-managed memory allocations. This also fixes a memory leak in rtw89registerhw. The supported bands were not freed in the error...

K000162739: Linux kernel vulnerability CVE-2026-63821

Security Advisory Description In the Linux kernel, the following vulnerability has been resolved: wifi: rtw88: usb: fix memory leaks on USB write failures. When rtwusbwriteport fails to submit a USB Request Block URB e.g., due to device disconnect or ENOMEM, the completion callback is never...

OESA-2026-3204 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: wifi: rtw88: Use devmkmemdup in rtwsetsupportedband Simplify the code by using device managed memory allocations. This also fixes a memory leak in rtwregisterhw...

CVE-2026-63821

A flaw was found in the Linux kernel's rtw88 Wi-Fi driver for USB. When the rtwusbwriteport function fails to submit a USB Request Block URB, such as during a device disconnect or out of memory conditions, the system does not properly free allocated memory. This oversight leads to memory leaks of...

wifi: rtw88: usb: fix memory leaks on USB write failures

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Linux Distros Unpatched Vulnerability : CVE-2026-63821

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - wifi: rtw88: usb: fix memory leaks on USB write failures When rtwusbwriteport fails to submit a USB Request Block URB e.g., due to device disconnect or ENOMEM,...

SUSE CVE-2026-63821

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw88: usb: fix memory leaks on USB write failures When rtwusbwriteport fails to submit a USB Request Block URB e.g., due to device disconnect or ENOMEM, the completion callback is never executed. Currently, the driver...

EUVD-2026-45487

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw88: usb: fix memory leaks on USB write failures When rtwusbwriteport fails to submit a USB Request Block URB e.g., due to device disconnect or ENOMEM, the completion callback is never executed. Currently, the driver...

CVE-2026-63821

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw88: usb: fix memory leaks on USB write failures When rtwusbwriteport fails to submit a USB Request Block URB e.g., due to device disconnect or ENOMEM, the completion callback is never executed. Currently, the driver...

CVE-2026-63821 wifi: rtw88: usb: fix memory leaks on USB write failures

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw88: usb: fix memory leaks on USB write failures When rtwusbwriteport fails to submit a USB Request Block URB e.g., due to device disconnect or ENOMEM, the completion callback is never executed. Currently, the driver...

CVE-2026-63821

In the Linux kernel, the wifi driver stack for rtw88/USB fixed memory leaks when USB write submissions fail. Specifically, rtw_usb_write_port() failures in rtw_usb_write_data() and rtw_usb_tx_agg_skb() could leave allocated skbs and a txcb/aggregated skbs unfreed due to a missing completion callb...

CVE-2026-63821

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw88: usb: fix memory leaks on USB write failures When rtwusbwriteport fails to submit a USB Request Block URB e.g., due to device disconnect or ENOMEM, the completion callback is never executed. Currently, the driver...

CVE-2026-63821 wifi: rtw88: usb: fix memory leaks on USB write failures

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw88: usb: fix memory leaks on USB write failures When rtwusbwriteport fails to submit a USB Request Block URB e.g., due to device disconnect or ENOMEM, the completion callback is never executed. Currently, the driver...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Wifi: rtw88 – Check whether a PCI upstream bridge exists. The pciupstreambridge function returns NULL if the device is on a root bus. If 8821CE is installed in the system with such a PCI topology, the probing routine will crash...

SUSE CVE-2026-46092

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw88: check for PCI upstream bridge existence pciupstreambridge returns NULL if the device is on a root bus. If 8821CE is installed in the system with such a PCI topology, the probing routine will crash. This has probably...

CVE-2026-46092

A flaw was found in the Linux kernel's rtw88 Wi-Fi driver. When the 8821CE device is installed on a system where it is on a root bus, the driver's probing routine does not properly check for the existence of a PCI upstream bridge. This oversight can lead to a system crash, resulting in a denial o...

CVE-2026-46092

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw88: check for PCI upstream bridge existence pciupstreambridge returns NULL if the device is on a root bus. If 8821CE is installed in the system with such a PCI topology, the probing routine will crash. This has probably...

AZL-88484 CVE-2026-46092 affecting package kernel for versions less than 6.6.139.1-1

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw88: check for PCI upstream bridge existence pciupstreambridge returns NULL if the device is on a root bus. If 8821CE is installed in the system with such a PCI topology, the probing routine will crash. This has probably...