Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: fbdev: smscufx: Fixed several use-after-free bugs. Multiple types of UAFs Use-After-Free errors can occur when physically removing a USB device. The ufxopsdestroy function has been added to the .fbdestroy of the fbops structur...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: usb: gadget: ffs: The function ffsdataclear is called twice. This call occurs when ffsfskillsb and ffsep0release are executed. As a result, the function ffsdataclear is called twice when the userland process closes ep0 and...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel version up to 6.1.9, there is a use-after-free issue in the bigbenremove function within the drivers/hid/hid-bigbenff.c file, caused by a crafted USB device. This issue arises because the LED controllers remain registered for an excessively long period of time...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: usb: kaweth: validate USB endpoints The kaweth driver should validate that the device it is probing has the proper number and types of USB endpoints it expects before binding to it. If a malicious device does not have the sa...

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

In the Linux kernel, the following vulnerability has been resolved: ALSA: usx2y: Use sndcardfreewhenclosed when there is a disconnection. The USB disconnection callback should be short and not too long. On the other hand, the current code uses sndcardfree when there is a disconnection, but this...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: USB: chipidea – fixed a memory leak that occurred when using debugfslookup. When calling debugfslookup, the result must also contain a call to dput; otherwise, memory will leak over time. To simplify things, simply call...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: usb: dwc2: Fixed a device leak in hwenable upon suspend/resume. Every time the platform enters low power mode, the PM suspend/resume routines call dwc2lowlevelhwenable - devmaddactionorreset. This adds a new device entry each...

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

In the Linux kernel, the following vulnerabilities have been resolved: PCI: Fixed a use-after-free of slot-bus during hot removal. Dennis reported a boot crash on recent Lenovo laptops with a USB4 dock. Since the commit 0fc70886569c "thunderbolt: Reset USB4 v2 host router" and the commit...

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

In the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: displayport: Fixed NULL pointer access issues. This patch ensures that the UCSI driver waits for all pending tasks in the ucsidisplayportwork workqueue to complete execution before proceeding with the partner...

Astra Linux – Vulnerability in Linux, Linux 5.10

In lgprobe and related functions of hid-lg.c and other USB HID files, there is a possible out-of-bounds read due to improper input validation. This could lead to local information disclosure if a malicious USB HID device is connected, without the need for additional execution privileges. User...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: usb: catc: enable basic endpoint checking The catcprobe function fills three URBs with hardcoded endpoint pipes without verifying the endpoint descriptors. This occurs as follows: - usbsndbulkpipeusbdev, 1 and...

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

In the Linux kernel, the following vulnerabilities have been resolved: net: USB: Fixed an error in the warning message for incorrect direction handling in plusb.c. The syzbot fuzzer detected a bug in the plusb network driver: A zero-length control-OUT transfer was incorrectly treated as a read...

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

In the Linux kernel, the following vulnerabilities have been resolved: USB: core: Fixed a race condition by not overwriting udev-descriptor in hubportinit. Syzbot reported an out-of-bounds read in sysfs.c:readdescriptors: BUG: KASAN: Out-of-bounds reading in readdescriptors+0x263/0x280,...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: usb: musb: Fixed hardware lockup upon the first Rx endpoint request There is a possibility that the callback of a request could be invoked from usbepqueue as shown in the call trace below, with missing calls included: c...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: USB: Fixed various issues related to devices connected via 10Gbps cables. The function usbassigndescriptors is called with 5 parameters. The last 4 of these parameters represent USB descriptor headers for the following speeds: -...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: USB: isp1362 – A memory leak was fixed by using debugfslookup. When calling debugfslookup, the result must be processed with dput, otherwise a memory leak will occur over time. To simplify things, simply call...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Input: aiptek – properly checking the endpoint type Syzbot reported a warning in usbsubmiturb, which is caused by an incorrect endpoint type. There was a check for the number of endpoints, but not for the type of endpoints. The...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: asix: Proper error handling for USB read errors has been added. The Syzbot issue with the asix driver remains the same. The problem is still present—the asixreadcmd function reads fewer bytes than requested by the caller...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: - usb: dwc2: gadget: Fixed the mismatch between spinlock and unlock calls in dwc2hsotgudcstop. - dwc2gadgetexitclockgating: Internally calls the callgadget macro, which expects hsotg-lock to be held since it performs...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: media: zr364xx: fixed a memory leak in zr364xxstartreadpipe syzbot reported a memory leak in the zr364xx driver. The issue occurred when non-free urb occurred in case of a failure in usbsubmiturb. Backtrace: kmalloc...