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: comedi: c6xdigio: Fixed invalid PNP driver unregistration The Comedi low-level driver “c6xdigio” appears to be for a parallel port-connected device. When the Comedi core calls the driver’s Comedi “attach” handler c6xdigioattach t...

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: comedi: das6402: Fix bit shift out of bounds When checking for a supported IRQ number, the following test is used: c / IRQs 2, 3, 5, 6, 7, 10, 11, 15 are valid for “enhanced” mode / if 1 options1 & 0x8cec However, it-optionsi is ...

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: comedi: das16m1: Fix bit shift out of bounds When checking for a supported IRQ number, the following test is used: / Only IRQs 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, and 15 are valid / if 1 options1 & 0xdcfc However, it-optionsi is an...

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: “comedi”: checking the attached status of a device in compatible IOCTLs. Syzbot identified a issue 1 that causes the kernel to crash, seemingly due to the absence of the callback dev-getvalidroutes. This should never happen, as t...

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

In the Linux kernel, the following vulnerability has been resolved: comedi: A divide-by-zero issue in comedibufmunge has been fixed. The comedibufmunge function performs a modulo operation: async-mungechan %= async-cmd.chanlistlen. However, it does not check whether chanlistlen is zero first. If ...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: comedi: vmk80xx: fixed transfer-buffer overflows The driver uses USB transfer buffers sized at the endpoint level, but until recently, there were no sanity checks on these buffer sizes. The commit e1f13c879a7c “staging: comedi...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: comedi: niusb6501: fixed NULL dereferencing in command paths. The driver uses USB transfer buffers of the endpoint size, but there were no sanity checks on their sizes. This can lead to dereferencing of zero-size pointers or...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: comedi: Make insnrwemulatebits handle insn-n samples. The insnrwemulatebits function is used as a default handler for INSNREAD instructions for sub-devices that have a handler for INSNBITS but not for INSNREAD. Similarly, it is...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: comedi: The issue of using uninitialized memory in doinsnioctl and doinsnlistioctl has been fixed. syzbot reports a KMSAN kernel-infosek in doinsnioctl. A kernel buffer is allocated to hold insn-n samples each of which is an...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: comedi: vmk80xx: fixed the bulk-buffer overflow issue. The driver uses buffers sized equal to the endpoint size, but it should not assume that the tx and rx buffers have the same size. A malicious device could cause the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: comedi: A memory leak has been fixed in compatinsnlist. compatinsnlist handles the 32-bit version of the COMEDIINSNLIST ioctl function when CONFIGCOMPAT is enabled. It allocates memory to temporarily hold an array of struct...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: comedi: pcl726 – Prevent invalid IRQ numbers. The reproducer passed in an IRQ number 0x80008000, which was too large, triggering the OOB Out-of-Bounds error. A check for the IRQ number was added to prevent users from entering an...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: comedi: pcl818: fixed the null-ptr-deref in pcl818aicancel Syzbot identified an issue 1 in pcl818ai Cancel, which stems from the fact that in case of early device detachment via pcl818detach, subdevice dev-readsubdev may not have...

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: comedi: me4000: Fix potential overrun of the firmware buffer The function requestfirmware requests the firmware that needs to be downloaded. It is possible for this process to exceed the source buffer’s capacity due to reliance o...

CentOS Linux 8 [TuxCare] Security Update: bpftool / kernel / kernel-core / kernel-cross-headers / etc Multiple Vulnerabilities (CENTOS-STREAM8:CLSA-2026:1786444011)

The CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS-STREAM8:CLSA-2026:1786444011 advisory. - In the Linux kernel, the following vulnerability has been resolved: comedi: vmk80xx: fix bulk-buffer overflow The driver is usi...

ROS-20260929-73-0084

The vulnerability of the pcl818detach function in the drivers/comedi/drivers/pcl818.c module, which supports Linux kernel-based data collection devices, is related to the pointer manipulation. Exploiting this vulnerability could allow a malicious actor to cause service failures remotely...

ROS-20260929-73-0024

The vulnerability of the multiq3attach function in the drivers/comedi/drivers/multiq3.c module, which supports Linux kernel-based data collection devices, is related to the improper disabling or release of resources. Exploiting this vulnerability can allow a remote attacker to cause service...

ROS-20260923-73-0027

The vulnerability of the comedibufmunge function in the drivers/comedi/comedibuf.c module of the Linux kernel is related to insufficient validation of input data during division by zero. Exploiting this vulnerability could allow an attacker to cause a system failure...

ROS-20260918-73-0035

The vulnerability of the me4000xilinxdownload function in the drivers/comedi/drivers/me4000.c module, which supports devices for collecting data from Linux operating systems, is related to the copying of buffers without checking the size of the input data a classic buffer overflow attack...

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: The comedi module has a race condition between polling and detaching the device. The syzbot report indicates a use-after-free in the comedi module. This occurs because comedi happily removes the allocated async area, even when po...