CVE-2026-63896

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: composite: fix integer underflow in WebUSB GETURL handling The WebUSB GETURL handler in compositesetup narrows landingpagelength to fit the host-supplied wLength using landingpagelength = wlength -...

CVE-2026-63896 usb: gadget: composite: fix integer underflow in WebUSB GET_URL handling

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: composite: fix integer underflow in WebUSB GETURL handling The WebUSB GETURL handler in compositesetup narrows landingpagelength to fit the host-supplied wLength using landingpagelength = wlength -...

EUVD-2026-45668

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ffs: copy only received bytes on short ep0 read ffsep0read allocates its control-OUT data buffer with kmalloc not kzalloc at the Length value from the Setup packet, then copies that full len to userspace regardless o...

CVE-2026-63895

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ffs: copy only received bytes on short ep0 read ffsep0read allocates its control-OUT data buffer with kmalloc not kzalloc at the Length value from the Setup packet, then copies that full len to userspace regardless o...

CVE-2026-63894

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ffs: serialize DMABUF cancel against request completion ffsepfiledmabufiocomplete calls usbepfreerequest on the completed request but leaves priv-req, the back-pointer that ffsdmabuftransfer set on submission, pointi...

EUVD-2026-45667

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ffs: serialize DMABUF cancel against request completion ffsepfiledmabufiocomplete calls usbepfreerequest on the completed request but leaves priv-req, the back-pointer that ffsdmabuftransfer set on submission, pointi...

CVE-2026-63894

Summary (CVE-2026-63894): A race in Linux kernel’s FunctionFS DMABUF handling allows a freed usb_request to be dequeued via an obsolete priv->req pointer when cancelling a DMABUF attachment. The root cause is that ffs_epfile_dmabuf_io_complete() frees the request but leaves priv->req pointi...

CVE-2026-63894 usb: gadget: f_fs: serialize DMABUF cancel against request completion

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ffs: serialize DMABUF cancel against request completion ffsepfiledmabufiocomplete calls usbepfreerequest on the completed request but leaves priv-req, the back-pointer that ffsdmabuftransfer set on submission, pointi...

CVE-2026-63894 usb: gadget: f_fs: serialize DMABUF cancel against request completion

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ffs: serialize DMABUF cancel against request completion ffsepfiledmabufiocomplete calls usbepfreerequest on the completed request but leaves priv-req, the back-pointer that ffsdmabuftransfer set on submission, pointi...

PT-2026-61211

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the FunctionFS gadget driver. The ffs epfile dmabuf io complete function calls usb ep free request on a completed request but fails to clear the priv-req...

USN-8488-2 linux-raspi vulnerabilities

It was discovered that some AMD processors did not properly clear data in the floating point divider unit during speculative execution. A local attacker could use this to expose sensitive information. CVE-2025-54505 Several security issues were discovered in the Linux kernel. An attacker could...

USN-8488-1 linux, linux-aws, linux-gcp, linux-ibm, linux-oracle, linux-realtime vulnerabilities

It was discovered that some AMD processors did not properly clear data in the floating point divider unit during speculative execution. A local attacker could use this to expose sensitive information. CVE-2025-54505 Several security issues were discovered in the Linux kernel. An attacker could...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: usb: ChipIdea UDC: Fix for DMA and SG cleanup in epnuke The ChipIdea UDC driver may encounter errors where “not-page-aligned sg buffers” occur when a USB device is reconnected after being disconnected during an active transfer...

CLSA-2026-1780132171 Fix of 25 CVEs

CVE-2025-68724 - crypto: asymmetrickeys - prevent overflow in asymmetrickeygenerateid CVE-2025-68724 CVE-2025-71196 - phy: stm32-usphyc: Fix off by one in probe CVE-2025-71196 CVE-2026-23033 - dmaengine: omap-dma: fix dmapool resource leak in error paths CVE-2026-23033 CVE-2026-23049 -...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uvc: fix list double add in uvcgvideopump A panic may occur if the endpoint becomes disabled, and uvcgvideopump adds the request back to the reqfree list after it has already been queued to the endpoint. The...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uvc: Use the correct buffer size when parsing configfs lists This commit fixes the support for the uvc gadget on 32-bit platforms. The commit 0df28607c5cb “usb: gadget: uvc: Generalize helper functions for reuse”...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fncm: Fixed atomic context locking issue The ncmsetalt function was holding a mutex to prevent race conditions with configfs. This function invokes the mightsleep function within an atomic context. The struct pointer...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uether: Fixed NULL pointer dereferencing in ethgetdrvinfo The commit ec35c1969650 “usb: gadget: fncm: Fixed netdevice lifecycle handling with devicemove“” re-parents the gadget device to /sys/devices/virtual during...

SUSE CVE-2026-43327

In the Linux kernel, the following vulnerability has been resolved: USB: dummy-hcd: Fix locking/synchronization error Syzbot testing was able to provoke an addressing exception and crash in the usbgadgetudcreset routine in drivers/usb/gadgets/udc/core.c, resulting from the fact that the routine w...

SUSE CVE-2026-43421

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fncm: Fix netdevice lifecycle with devicemove The network device outlived its parent gadget device during disconnection, resulting in dangling sysfs links and null pointer dereference problems. A prior attempt to sol...