Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: USB: gadget: Fixed the memory leak in the rawgadget driver. Currently, increasing rawdev-count occurs before invoking rawqueueevent. If rawqueueevent returns an error, invoking rawrelease will not trigger devfree to be called...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fncm: Refactor the bind path to use free After a bind/unbind cycle, the ncm-notifyreq remains stale. If a subsequent bind fails, the unified error handling mechanism attempts to free this stale request. This leads to...

Astra Linux – Vulnerability in Qemu

A vulnerability related to out-of-bounds read/write access was discovered in the USB emulator of QEMU in versions prior to 5.2.0. This issue occurs during the processing of USB packets from a guest, when the value of USBDevice’s ‘setuplen’ exceeds the value of ‘databuf4096’ in the dotokenin and...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: media: dvb-usb: az6027: fix null-ptr-deref in az6027i2cxfer Wei Chen reported a kernel bug as follows: General protection fault, likely for non-canonical addresses. KASAN: Nullptrderef within the range...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: USB: core: Fixed a deadlock in the “disable” sysfs attribute. The show and store callback routines for the “disable” sysfs attribute in port.c acquire the device lock for the port’s parent hub. This can cause problems if another...

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

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uaudio: do not allow userspace to block driver unbind In the unbind callback for fuac1 and fuac2, a call to sndcardfree via gaudiocleanup will disconnect the card and then wait for all resources to be released, which...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fhid: fix refcount leak on error path When failing to allocate reportdesc, opts-refcnt has already been incremented; therefore, it needs to be decremented to prevent the options structure from being permanently locke...

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

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: btusb: Added a NULL check for “date-evtskb”. Fixed a crash due to NULL pointers. 6104.969662 BUG: NULL pointer dereferencing in the kernel; address: 00000000000000c8 6104.969667 PF: Supervisor read access in kernel...

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

In the Linux kernel, the following vulnerabilities have been resolved: usb: gadget: Fixed a use-after-free in compositedevcleanup. 1. In func configfscompositebind - compositeosdescreqprepare: If kmalloc fails, the pointer cdev-osdescreq will be freed but not set to NULL. This will result in a...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

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 found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: cdns3: gadget: Use-after-free during failed initialization and exit of cdnsp gadget In the cdnspgadgetinit and cdnspgadgetexit functions, the gadget structure pdev-gadget was freed before its endpoints. The endpoints are...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix slab-use-after-free in hdcp The HDCP code in amdgpudmhdcp.c copies pointers to amdgpudmconnector objects without incrementing the kref reference counts. When using a USB-C dock, and the dock is unplugged, the...

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

In the Linux kernel, the following vulnerabilities have been resolved: Media: imon: Make sendpacket more robust syzbot reports that imon has three problems that result in hung tasks due to continuously holding the device lock 1. The first problem is that when usbrxcallbackintf0 receives an -EPROT...

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

In the Linux kernel, the following vulnerabilities have been resolved: isdn: mISDN: hfcsusb: fixed a memory leak in hfcsusbprobe In hfcsusbprobe, the memory allocated for ctrlurb gets leaked when setupinstance fails with an error code. This issue was addressed by freeing the urb before freeing th...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: host: ohci-ppc-of: Fix refcount leak bug In ohcihcdppcofprobe, offindcompatiblenode will return a node pointer with the refcount incremented. We should use ofnodeput when it is no longer needed...

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: dwc3: core: Prevent USB core from accessing an invalid event buffer address This commit addresses a issue where the USB core might access an invalid event buffer address during runtime suspension, potentially causing SMMU...

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

In the Linux kernel, the following vulnerability has been resolved: media: radio-shark: Add endpoint checks The syzbot fuzzer was able to provoke a WARNING from the radio-shark2 driver: ------------ cut here ------------ usb 1-1: BOGUS urb xfer, pipe 1 != type 3 WARNING: CPU: 0 PID: 3271 at...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: facm: Refactor the bind path to use free After a bind/unbind cycle, the acm-notifyreq remains stale. If a subsequent bind fails, the unified error handling mechanism attempts to free this stale request. This leads to...

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

In the Linux kernel, the following vulnerability has been resolved: media: anysee: fixed the null-ptr-deref in anyseemasterxfer. In anyseemasterxfer, msg is controlled by the user. When msgi.buf is null and msgi.len is zero, previous checks on msgi.buf will still be performed. Malicious data will...

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: gadget: ffs: Fixed race between aiocancel and AIO request complete FFS-based applications can utilize the aiocancel callback to dequeue pending USB requests submitted to the UDC. There is a scenario where the FFS application...