Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/xe: Fixed the double-free bug in vmbindioctl If the argument check during an array bind fails, the bindops is freed twice. This issue is fixed by setting bindops to NULL after freeing it...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ethtool: Fixed an issue where the uninitialized number of lanes was used. It is not possible to set the number of lanes when adjusting link modes using the legacy IOCTL ethtool interface. Since the structure struct...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: media: v4l2-core: explicitly clear ioctl input data. As seen from a recent syzbot bug report, mistakes in the compat ioctl implementation can lead to uninitialized kernel stack data being used as input for driver ioctl handlers...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/xe: A memory leak has been fixed in xevmmadviseioctl. When the validation of checkboargsaresane fails, the code jumps to the new freevmas cleanup label to properly release the allocated resources. This ensures proper cleanup ...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: platform/chrome: fixed memory corruption in ioctl. If “smem.bytes” is larger than the buffer size, it can lead to memory corruption...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: ubi: Fixed a race condition between ctrlcdevioctl and ubicdevioctl. Hulk Robot reported a KASAN report regarding a use-after-free issue: ========================================== BUG: KASAN: use-after-free in...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: loop: Overflow check during loop configuration The user space can configure a loop using an ioctl call. In this process, a configuration of type loopconfig is passed see the loioctl case on line 1550 of drivers/block/loop.c. This...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: block: fixed leakage of debugfs entries caused by blktrace. The commit 99d055b4fd4b “block: removed per-disk debugfs files in blkunregisterqueue” moves blkTraceShutdown from blkReleaseQueue to blkUnregisterQueue. This is safe if...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ethtool: ioctl: fixed a potential NULL dereference in ethtoolsetcoalesce. ethtoolsetcoalesce now uses both .getcoalesce and .setcoalesce callbacks. However, the check for their availability is buggy. Therefore, changing the...

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: vfio/pci: Locking external INTx masking operations Masking operations by changing the config space for DisINTx may cause races with INTx configuration changes made via ioctl. Create wrappers that add locking mechanisms for paths...

Astra Linux – Vulnerability in Linux 5.10, Linux

When setting a font using malicious data via the ioctl command PIOFONT, the kernel will write memory beyond its bounds...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: gpio: Prevent potential speculation leaks in gpiodevicegetdesc The userspace may trigger a speculative read of an address outside the gpio descriptor array. Users can do this by calling gpioioctl with an offset that is out of...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/panfrost: Fixed the issue where GEM handle creation was subject to ref counting. Previously, panfrostgemcreatewithhandle would return a BO, but only with a reference to the handle. User space could theoretically guess this...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/panthor: Prevent potential UAF Use After Free issues during group creation. This commit addresses the issue where a malicious user space could potentially alter the handle of a group and attempt to call the GROUPDESTROY ioctl...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: Video: fbdev: arkfb – Fixed a divide-by-zero bug in arksetpixclock Since the user can control the arguments of ioctl from the user space, there may be situations where a divide-by-zero bug occurs. For example, in the file...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/amdgpu: Refactored amdgpugemvaioctl to handle last fence updates and timeline management v4. This commit simplifies the amdgpugemvaioctl function by introducing the following key updates: - Moved the logic for managing the...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: dm ioctl: prevents potential Spectre v1 exploits. It seems that cmd could be a Spectre v1 exploit, as it is provided by a user and used as an array index. This vulnerability prevents the contents of kernel memory from being leake...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: validate userq input args. This will assist in validating the userq input arguments and rejecting invalid userq requests during IOCTLs...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: cifs: preventing incorrect output lengths in smb2ioctlqueryinfo When calling smb2ioctlqueryinfo with smbqueryinfo::flags=PASSTHRUFSCTL and smbqueryinfo::outputbufferlength=0, the following value of 0x10 will be returned. c buffer...

Astra Linux – Vulnerability in Linux, Linux 5.10

A race condition was identified in the vtkioctl function within drivers/tty/vt/vtioctl.c in the Linux kernel. This may lead to an out-of-bounds read, as the write access to vcmode is not protected by a lock in vtioctl KDSETMDE. The primary threat of this vulnerability is data confidentiality...