Astra Linux – Vulnerabilities in Linux-6.1, Linux-5.15

In the Linux kernel, the following vulnerability has been resolved: USB: Gadget: fncm: Fixed UAF Use-After-Free in the ncm object after re-binding after a USB EP transport error When the ncm function is working, the usb0 interface is stopped due to a link failure. In this case, the ethstop functi...

Astra Linux – Vulnerability in Linux, Linux 5.10

The drivers/usb/host/max3421-hcd.c file in the Linux kernel before version 5.13.6 allows physically nearby attackers to cause a denial of service use-after-free and panic by removing a MAX-3421 USB device under certain circumstances...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ncm: Fix handling of zero block length packets When connecting to a Linux host with CDCNCMNTBDEFSIZETX set to 65536, it was observed that we receive short packets, which occur at intervals of 5–10 seconds. These...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: USB: Hub – Protection against access to uninitialized BOS descriptors Many functions in drivers/usb/core/hub.c and drivers/usb/core/hub.h access fields within udev-bos without checking whether they have been allocated and...

Astra Linux – Vulnerability in udisks2

A vulnerability has been discovered in udisks2. This flaw allows an attacker to submit a specially crafted image file/USB, resulting in kernel panic. The greatest threat posed by this vulnerability is to system availability...

Astra Linux – Vulnerability in Linux, Linux 5.10

A vulnerability was discovered in the drivers/usb/gadget/function/rndis.c file within the Linux kernel before version 5.16.10. The RNDIS USB gadget does not include validation for the size of the RNDISMSGSET command. Attackers can obtain sensitive information from the kernel memory...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ALSA: usx2y: us144mkii: fixed NULL dereferencing when interface 0 is missing. A malicious USB device with the TASCAM US-144MKII device ID may have a configuration where bInterfaceNumber=1, but there is no interface 0. USB...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Stop parsing channel bits when all channels are found. If a USB audio device sets more bits than the number of channels it supports, it may write data outside of the map array...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: hwmon: powerz Fixed a use-after-free when USB is disconnected. After the powerzdisconnect function frees the URB and releases the mutex, a subsequent powerzread call can acquire the mutex and call powerzreaddata, which dereferenc...

Astra Linux – Vulnerability in freerdp2

FreeRDP is a free remote desktop protocol library and clients. Affected versions of FreeRDP lack input validation in the urbdrc channel. A malicious server can trick a FreeRDP-based client into crashing due to a division by zero. This issue has been addressed in version 2.9.0. All users are advis...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: cdceem: Fixed an issue where, when usbnet transmits a skb, it was fixed within eemtxfixup. If skbcopyexpand fails, it returns NULL. In this case, usbnetstartxmit has no chance to free the original skb. The solution is to fir...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: nfc: nfcmrvl: Fixed a memory leak in nfcmrvlplaydeferred. Similar to the handling of playdeferred in commit 19cfe912c37b “Bluetooth: btusb: Fixed a memory leak in playdeferred”, we thought a patch might be necessary here as well...

Astra Linux – Vulnerability in Qemu

A flaw was discovered in the USB redirector device emulation of QEMU in versions prior to 6.1.0-rc2. This flaw occurs when dropping packets during a bulk transfer from a SPICE client, due to the packet queue being full. A malicious SPICE client could exploit this flaw to call the free function in...

Astra Linux – Vulnerability in Linux 5.10, Linux

A flaw in incorrect access control in the Linux kernel’s USB core subsystem was discovered in the way users attach USB devices. A local user could exploit this flaw to crash the system...

Astra Linux – Vulnerability in Linux 5.10, Linux

A flaw related to the use of “free” in the Linux kernel’s Video4Linux driver was discovered in the way that triggers em28xxusbprobe, for Empia 28xx-based TV cards. A local user could exploit this flaw to crash the system or potentially escalate their privileges on the system...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: can: mcbausb: properly checking the endpoint type Syzbot reported a warning in usbsubmiturb, which is caused by an incorrect endpoint type. We should check that the endpoint actually exists to prevent this warning. Pipes found ar...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: usb: xhci-mtk: Fixed an issue where shared HCDs 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. This...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: lpc32xxudc: Fixed the refcount leak in lpc32xxudcprobe. The ofparsephandle function returns a node pointer with the refcount incremented. We should use ofnodeput on it when there is no longer a need for it. Add the...

Astra Linux – Vulnerability in Qemu

A divide-by-zero issue was discovered in dwc2handlepacket in hw/usb/hcd-dwc2.c, within the hcd-dwc2 USB host controller emulation in QEMU. A malicious guest could exploit this flaw to crash the QEMU process on the host, resulting in a denial of service...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: fbdev: smscufx: Fix error handling code in ufxusbprobe The current error handling code in ufxusbprobe contains many inconsistencies. For example, the function ufxfreeusblist is missing, and the destroymodedb label should only...