Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: usb: host: xhci: Fixed a potential memory leak in xhciallocstreaminfo The xhciallocstreaminfo function allocates a stream context array for streaminfo-streamctxarray using xhciallocstreamctx. When an error occurs, the...

Astra Linux – Vulnerability in Qemu

QEMU 5.0.0 has a use-after-free issue in the hw/usb/hcd-xhci.c file, as the return value of usbpacketmap is not checked...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: usb: xhci: A memory leak was fixed in xhcidisableSlot. xhcialloccommand allocates a command structure. When the second argument is true, it also allocates a completion structure. Currently, the error handling code in...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: xhci: Error handling was added in xhcimapurbfordma. Currently, xhcimapurbfordma creates a temporary buffer and copies the SG list to the new linear buffer. However, if kzallocnode fails, the call to sgpcopytobuffer may lead ...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: xhci: Fixed null pointer dereferencing when the host dies. Ensure that xhcifreedev and xhcikillendpointurbs do not race with each other, and thus avoid null pointer dereferencing when the host suddenly dies. The USB core may...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: xhci-mtk: Fixed an issue where shared HCD resources were leaked when attempting to set the wake-up IRQ. The issue occurred because it was not possible to set @sharedhcd to NULL before reducing the usage count using usbputhcd...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: xhci: tegra: fix sleep in atomic call When we set the dual-role port to Host mode, we observed the following issues: - Splat: 167.057718 BUG: Sleeping function called from invalid context at include/linux/sched/mm.h:229...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: xhci: Device endpoints are removed from the bandwidth list when the device is freed. Endpoints are normally deleted from the bandwidth list when they are dropped, before the virt device is freed. If the xHCI host is dying or bein...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: xhci: Check that the endpoint is valid before dereferencing it. When the host controller is not responding, all URBs queued to all endpoints need to be terminated. This can cause a kernel panic if we attempt to dereference a...

SUSE CVE-2026-80923

In the Linux kernel, the following vulnerability has been resolved: xhci: dbgtty: Fix unregister on ttyregisterdriver failure If ttyregisterdriver fails, it drops the reference, but fails to set the global dbcttydriver to NULL, causing the unregister to be called again when module exits. On modul...

DEBIAN-CVE-2026-80923

In the Linux kernel, the following vulnerability has been resolved: xhci: dbgtty: Fix unregister on ttyregisterdriver failure If ttyregisterdriver fails, it drops the reference, but fails to set the global dbcttydriver to NULL, causing the unregister to be called again when module exits. On modul...

AZL-99954 CVE-2026-80923 affecting package kernel 6.6.152.1-1

In the Linux kernel, the following vulnerability has been resolved: xhci: dbgtty: Fix unregister on ttyregisterdriver failure If ttyregisterdriver fails, it drops the reference, but fails to set the global dbcttydriver to NULL, causing the unregister to be called again when module exits. On modul...

CVE-2026-80923

In the Linux kernel, the following vulnerability has been resolved: xhci: dbgtty: Fix unregister on ttyregisterdriver failure If ttyregisterdriver fails, it drops the reference, but fails to set the global dbcttydriver to NULL, causing the unregister to be called again when module exits. On modul...

CVE-2026-80923 xhci: dbgtty: Fix unregister on tty_register_driver() failure

In the Linux kernel, the following vulnerability has been resolved: xhci: dbgtty: Fix unregister on ttyregisterdriver failure If ttyregisterdriver fails, it drops the reference, but fails to set the global dbcttydriver to NULL, causing the unregister to be called again when module exits. On modul...

EUVD-2026-75100

In the Linux kernel, the following vulnerability has been resolved: xhci: dbgtty: Fix unregister on ttyregisterdriver failure If ttyregisterdriver fails, it drops the reference, but fails to set the global dbcttydriver to NULL, causing the unregister to be called again when module exits. On modul...

CVE-2026-80923

CVE-2026-80923 is a use-after-free in the Linux kernel's xhci dbgtty driver. When tty_register_driver() fails during module initialization, the driver reference is dropped but the global dbc_tty_driver pointer is left dangling (not set to NULL). Upon module unload, dbc_tty_exit() sees the non-NUL...

CVE-2026-80923 xhci: dbgtty: Fix unregister on tty_register_driver() failure

In the Linux kernel, the following vulnerability has been resolved: xhci: dbgtty: Fix unregister on ttyregisterdriver failure If ttyregisterdriver fails, it drops the reference, but fails to set the global dbcttydriver to NULL, causing the unregister to be called again when module exits. On modul...

PT-2026-89093

In the Linux kernel, the following vulnerability has been resolved: xhci: dbgtty: Fix unregister on tty register driver failure If tty register driver fails, it drops the reference, but fails to set the global dbc tty driver to NULL, causing the unregister to be called again when module exits. On...

Linux Distros Unpatched Vulnerability : CVE-2026-80923

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - xhci: dbgtty: Fix unregister on ttyregisterdriver failure If ttyregisterdriver fails, it drops the reference, but fails to set the global dbcttydriver to NULL,...

CVE-2026-80923: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: xhci: dbgtty: Fix unregister on ttyregisterdriver failure If ttyregisterdriver fails, it drops the reference, but fails to set the global dbcttydriver to NULL, causing the unregister to be called again when module exits. On modul...