Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/xe/sync: Fixed the memory leak caused by improper release of the user fence when dmafencechainalloc fails. When dmafencechainalloc fails, it is necessary to properly release the reference to the user fence to prevent a memory...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/tilcdc: Fixed the cleanup actions in case of a failed probe. The drmkmshelperpollfini and drmatomichelpershutdown helpers should only be called when the device has been successfully registered. Currently, these functions a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/i915/bios: fixed a memory leak in generatelfpdataptrs When size != 0 || ptrs-lvdsentries != 3, the program attempts to use free on ptrs. However, ptrs is not created by calling kzmalloc; instead, it is obtained through a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/xe: Added a bounds check on patindex to prevent out-of-bounds kernel reads in madvise. When a user provides a bogus patindex value through the madvise IOCTL, the xepatindexgetcohmode function performs an array access without...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/amdkfd: Fixed a memory leak in the createprocess failure scenario. Fixed a memory leak caused by a leaked mmget reference in a error handling code path, which occurs when attempting to create KFD processes while a GPU rese...

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

A race condition was detected in the Linux kernel’s DRM/Exynos device driver, specifically in the exynosdrmcrtcatomicdisable function. This can lead to a null pointer dereferencing issue, which may potentially cause a kernel panic or a denial of service condition...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/buddy: Fixed the error handling code for allocrange. A few users have reported display corruption when booting the machine into KDE Plasma or playing games. We have identified a problem where, whenever allocrange failed to fi...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm: Fixed a potential null-ptr-deref due to drmmmodeconfiginit. drmmmodeconfiginit will call drmmodecreatestandardproperties, and it does not check the return value. When drmmodecreatestandardproperties fails due to allocatio...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: lib/fonts: Fixed undefined behavior in bit shifting for getdefaultfont. Shifting a signed 32-bit value by 31 bits is undefined; therefore, the significant bit was changed to unsigned. The UBSAN warning “calltrace” is as follow...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/rockchip: lvds: fixed the imbalance in the PM usage counter during power-on. The pmruntimegetsync function will increment the PM usage counter even if it fails. Forgetting to perform the necessary operations could lead to a...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Validated the box size for the snooped cursor. Invalid user-space DMA surface copies could potentially cause an overflow when copying data from the surface to the snooped image, leading to crashes. To address this...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm: mxsfb: Fixed NULL pointer dereferencing crash during unloading. The mxsfb-crtc.funcs may already be NULL when unloading the driver. In such cases, calling mxsfbirqdisable via drmirquninstall from mxsfbunload leads to a NULL...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/xe: Fixed a missing runtime PM reference in ccsmodestore. ccsmodestore calls xegtreset, which internally invokes xepmruntimegetnoresume. This function requires the caller to already hold an outer runtime PM reference, and war...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/vc4: Fixed deadlock issues during DSI device attachment The attachment of a DSI device to a DSI host is performed while the host device’s lock is held. Unregistering the host device in the “device attachment” error path...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fixed error handling in slot reset. If the device does not recover after the slot reset is called, it proceeds to the out label for error handling. There, it may make decisions based on uninitialized hive pointers,...

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

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Fixed stale file descriptors when a usercopy fails. A failed usercopy of the fencerep object will result in a stale entry in the file descriptor table, as putunusedfd will not release that entry. This allows userland ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/client: Do not destroy NULL modes. The modes in drcmclientmodesetprobe may fail to be allocated using kcalloc. If this occurs, we jump to out, and modesDestroy is called on it. This action will dereference modes. This could...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/tests: helpers: Avoid a driver UAF When using drmkunithelperallocdrmdevice, the driver may be referenced by device-managed resources until the device is freed. This typically happens later than when the kunit-managed resource...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau: fixed an stale locked mutex in nouveaugemioctlpushbuf If VMBIND is enabled on the client, the legacy submission ioctl cannot be used. However, if a client attempts to use it anyway, an error will be returned. In this...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fixed a debugfs null pointer error WHY & HOW Check whether the getsubvpen callback exists before calling it...