Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ffs: Prevent race during ffsep0queuewait When performing fast composition switching, there is a possibility that the process of ffsep0write/ffsep0read may enter a race condition due to ep0req being freed from the...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: gadget: A fix was made to the NULL pointer dereference in dwc3gadgetsuspend. In the current scenario, if plug-out and plug-in operations are performed continuously, there is a possibility that a NULL pointer dereferenc...

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: usb: dwc3: gadget: check that the event count does not exceed the event buffer length The event count is read from the register DWC3GEVNTCOUNT. There is a check to ensure that the count is not zero, but there is no check to ensur...

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 sometimes occur at intervals of 5–10 seconds...

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: cdns3: fixed memory usage after freeing variables at cdns3gadgetepdisable … cdns3gadgetepfreerequest&privep-endpoint, &privreq-request; listdelinit&privreq-list; ‘privreq’ is actually freed after cdns3gadgetepfreerequest...

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 5.15

In the Linux kernel, the following vulnerability has been resolved: USB: Gadget: lpc32xxudc – 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 – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uSerial: Added a null pointer check in gSerialsuspend Consider a scenario where gSerialdisconnect has already cleared gser-ioport. If gSerialsuspend is called afterward, it will lead to accessing gser-ioport, thereby...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

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 found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ipv4: Prevent potential spectre v1 exploits in fibmetricsMatch if !type continue; if type RTAXMAX return false; ... fival = fi-fibmetrics-metricstype - 1; Since @type is used as an array index, we need to prevent CPU speculation ...

Astra Linux – Vulnerability in Linux, Linux 5.10

A issue was discovered in the drivers/usb/gadget/composite.c file within the Linux kernel before version 5.16.10. The USB Gadget subsystem lacks certain validations for interface OS descriptor requests those with a large array index and those associated with NULL function pointer retrieval. Memor...

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 – 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 found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: cdns3: change place of ‘privep’ assignment in cdns3gadgetepdequeue, cdns3gadgetepenable If ‘ep’ is NULL, the result of eptocdns3epep is an invalid pointer. Dereferencing ‘privep-cdns3dev’ with this pointer may cause a panic...

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

A issue was discovered in the Linux kernel before version 6.3.2. A use-after-free was found in the renesasusb3remove function in drivers/usb/gadget/udc/renesasusb3.c...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: netlink: prevents potential Spectre v1 exploits Most netlink attributes are parsed and validated via nlavalidateparse or validatenla. c u16 type = nlatypenla; if type == 0 || type maxtype / Error or continue / The @type value is...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: gadget: Bail out from dwc3gadgetexit if dwc-gadget is NULL. There exists a possible scenario in which dwc3gadgetinit may fail: during the switch between peripheral and host modes in dwc3setmode, and if a pending gadget...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: musb: Fixed the overflow bug in musbgadget.c The musbgadgetqueue function calls the USB function device. This function adds the passed request to musbep::reqlist. If request-length musbep-packetsz and isbuffermappedreq retur...

Astra Linux – Vulnerability in Linux 5.10, Linux

The file drivers/usb/gadget/legacy/inode.c in the Linux kernel, up to version 5.16.8, improperly handles the release of dev-buf...

Astra Linux – Vulnerability in Linux, Linux 5.10

In various setup methods of the USB gadget subsystem, there is a possibility of unauthorized writing due to an incorrect flag check. This could lead to a local escalation of privileges without the need for additional execution privileges. User interaction is not required for exploitation. Product...