Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/rockchip: lvds: fix PM usage counter unbalance in poweron The pmruntimegetsync function will increment the PM usage counter even if it fails. Forgetting to replace this function with the newer pmruntimeresumeandget function...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Install a stub fence into potential unused fence pointers. When using cpu to update page tables, VM update fences are unused. Install a stub fence into these fence pointers instead of setting them to NULL. This preven...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm/meson: Reordered the driver deinit sequence to fix a use-after-free bug. Unloading the driver triggers the following KASAN warnings: +0.006275 ============================================================= +0.000029 BUG:...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/msm/disp/dpu1: Set vbif hw config to NULL to avoid use after memory free during pm runtime resume BUG: Unable to handle kernel paging requests at virtual address 006b6b6b6b6b6be3 Call trace: dpuvbifinitmemtypes+0x40/0xb8...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/v3d: Fixed the issue of null pointer dereferencing of the pointer perfmon. In the unlikely event that the pointer perfmon is null, the WARNON function is called after the pointer has already been dereferenced. This issue is...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/msm/mdp5: The return error code in mdp5mixerrelease is incorrect when a deadlock is detected. There is a possibility that mdp5getglobalstate may return-EDEADLK when acquiring the modeset lock. However, currently,...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/i915: A possible refcount leak has been fixed in inteldpaddmstconnector. If drmconnectorinit fails, intelconnectorfree will be called to handle the proper free operation. Therefore, it is necessary to decrement the refcount o...

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 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/panthor: Fixed a kernel panic that could occur when partially unmapping a GPU virtual address region. This commit addresses a kernel panic issue that can occur when the userspace tries to partially unmap a GPU virtual address...

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: drm/vmwgfx: Validating the command header size against SVGACMDMAXDATASIZE This data originates from user space and is used in buffer offset calculations, which may potentially lead to an out-of-bounds access if the calculation...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Drivers: Base: Resources are freed when a device is unregistered. In the current code, the devresreleaseall function is only called if the device has a bus and has been probed. This leads to issues when using devices that lack a...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fixed memory leakage This patch addresses potential memory leakage and segmentation faults in the gpuvmimportdmabuf function...

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 6.1

In the Linux kernel, the following vulnerabilities have been resolved: drm/amd/display: fixed integer types and null check locations Reason: Issues fixed: - Comparison with a wider integer type in the loop condition, which could lead to infinite loops. - Dereferencing a pointer before performing ...

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

In the Linux kernel, the following vulnerability has been resolved: drm: Do not accidentally unreference the same framebuffer multiple times due to deadlock handling. If a deadlock occurs after the fb lookup in drmmodepageflipioctl, we proceed to unreference the fb and then retry the entire proce...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/meson: fixed a memory leak in the -hpdnotify callback. The EDID returned by drmbridgegetedid needs to be freed...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: drm/atmel-hlcdc: fixed the issue where “drmcrtccommit” was used after release. The atmelhlcdcplaneatomicduplicatestate callback was copying the atmelhlcdcplane state structure without properly duplicating the drmplanestate...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/vc4: don't check if plane-state-fb == state-fb Currently, when using non-blocking commits, we can see the following kernel warning: 110.908514 ------------ cut here ------------ 110.908529 refcountt: underflow; use-after-free...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel before version 6.0.3, the file drivers/gpu/drm/virtio/virtgpuobject.c misinterprets the return value of drmgemshmemgetsgtable. It expects the value to be NULL in the error case, but in reality, it is an error pointer...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm/modes: It is necessary to avoid division by zero more strictly in drmmodevrefresh. The drmmodevrefresh function attempts to avoid division by zero by checking whether htotal or vtotal is zero. However, we may still end up...