Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Wifi: ath9k: hifusb: fixed a memory leak related to urbs in ath9khifusbdealloctxurbs Syzkaller reported a well-known leak of urbs in ath9khifusbdealloctxurbs. The cause of the leak is that the usbgeturb function is called, but th...

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

In the Linux kernel, the following vulnerability has been resolved: media: usb: siano: Fix use after free bugs caused by dosubmiturb There are UAF bugs caused by dosubmiturb. One of the KASan reports is shown below: 36.403605 BUG: KASAN: use-after-free in workerthread+0x4a2/0x890 36.406105 Read o...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Wifi: ath9k: Fixed a use-after-free in ath9khifusbdisconnect This patch fixes a use-after-free that occurs in ath9khifusbdisconnect, when ath9khifusbdisconnect attempts to access “drvpriv”, which has already been freed by...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: usb: cdns3: Fix for a random warning message when loading drivers Warning log: 4.141392 Unexpected gfp: 0x4 GFPDMA32. Fixing it up to gfp: 0xa20 GFPATOMIC. Fix your code! 4.150340 CPU: 1 PID: 175 Comm: 1-0050 Not tainted...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uSerial: Added a null pointer check in gserialresume. Consider a scenario where gserialdisconnect has already cleared gser-ioport. If a wakeup interrupt is triggered later, gserialresume will be called, which will...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: USB: usbfs: Do not issue a WARN message regarding excessively large memory allocations Syzbot discovered that the kernel generates a WARN message if the user attempts to perform a bulk transfer using usbfs with a buffer that i...

Astra Linux – Vulnerability in Linux, Linux 5.10

A use-after-free vulnerability was discovered in the rtsxusbmsdrvremove function in the drivers/memstick/host/rtsxusbms.c file within the memstick module of the Linux kernel. In this flaw, a local attacker with user privileges could compromise the confidentiality of system resources. This...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: USB: core: Fixed a hang issue in usbkillurb by adding memory barriers. The syzbot fuzzer has identified a bug in which processes hang while waiting for usbkillurb to return. It turns out that the issue isn’t related to unmounting...

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 5.15

In the Linux kernel, the following vulnerabilities have been resolved: usb: isp1760: Fixed out-of-bounds array access issues Running the driver through KASAN reveals the following issues: BUG: KASAN: Global out-of-bounds access in isp1760register+0x180/0x70c Reading a size of 20 bytes from the...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: can: gsusb: gsusbopen/close: fixed a memory leak. The gsusb driver appears to have a problem common to many USB CAN adapter drivers. It performs usballoccoherent to allocate a number of USB Request Blocks URBs for reception, and...

Astra Linux – Vulnerability in gdisk

In the LoadPartitionTable function of gpt.cc, there is a potential out-of-bounds write vulnerability due to a missing bounds check. This could lead to a local escalation of privileges when inserting a malicious USB device, without the need for additional execution privileges. User interaction is...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: gadget: Replace listforeachentrysafe when using giveback The listforeachentrysafe macro saves the current item n and the item after n+1, so that n can be safely removed without corrupting the list. However, when...

Astra Linux – Vulnerability in Linux 5.15

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

Astra Linux – Vulnerability in Linux 5.15

A use-after-free flaw was discovered in lan78xxdisconnect in drivers/net/usb/lan78xx.c within the network sub-component, net/usb/lan78xx, in the Linux kernel. This flaw allows a local attacker to cause the system to crash when the LAN78XX USB device is disconnected...

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: comedi: vmk80xx: fixed incomplete endpoint checking While vmk80xx does have endpoint checking implemented, some issues may still go unnoticed. Depending on the hardware model, URBs can have either bulk or interrupt types, and 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 emulator 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, Linux 5.10

The function emsusbstartxmit in the file drivers/net/can/usb/emsusb.c within the Linux kernel, up to version 5.17.1, contains a double-free...

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

A buffer overflow vulnerability was discovered in the Linux kernel’s Broadcom Full MAC Wi-Fi driver. This issue occurs when a user connects to a malicious USB device. It can allow a local user to crash the system or escalate their privileges...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: usb: musb: tusb6010: check return value after calling platformgetresource This vulnerability could lead to a nullptrderef error if platformgetresource returns NULL. Therefore, we need to check the return value of this function...