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/radeon: Check the return value of allocworkqueue in radeoncrtcinit. Check the return value of allocworkqueue in radeoncrtcinit to avoid null-ptr-deref...

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

A issue was discovered in the Linux kernel through version 6.1-rc8. The function dpucrtcatomiccheck in the file drivers/gpu/drm/msm/disp/dpu1/dpucrtc.c lacks a check for the return value of kzalloc. This issue may lead to a NULL Pointer Dereference...

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/amd: Fixed an issue where UBSAN used an array-index that was out of bounds for SMU7. For pptable structures that use flexible array sizes, use flexible arrays instead...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: drm/vc4: Do not check if plane-state-fb == state-fb Currently, when using non-blocking commits, the following kernel warnings can be observed: 110.908514 ------------ Cut here ------------ 110.908529 refcountt: Underflow; Use...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/msm: Fixed the mmap operation to include VMIO and VMDONTDUMP. In commit 510410bfc034 “drm/msm: Implement mmap as a GEM object function”, we switched to a new and cleaner approach for handling this issue. That’s good, but we...

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/sched: Check the scheduler’s work queue before calling timeout handling. During an IGT GPU reset test, we still encounter an oops despite the commit 0c8c901aaaebc9 drm/sched: Check the scheduler’s readiness before calling...

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, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/msm: Fixed the issue of null pointer dereference on the pointer edp. The pointer dev is initialized, and the pointer edp is dereferenced before edp is checked for being null. This could lead to a null pointer dereference issu...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: drm/msm/hdmi: check the return value after calling platformgetresourcebyname. If platformgetresourcebyname returns NULL, it may lead to a null-ptr-deref issue. Therefore, we need to check the return value. Patchwork:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/msm/devfreq: Fixed the OPP refcnt leak...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/imagination: Fixed a deadlock in the soft reset sequence. The soft reset sequence is currently executed from the threaded IRQ handler. Therefore, it cannot call disableirq because it internally waits for the IRQ handlers—i.e....

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fixed a DRM panic due to a null pointer when the driver does not support atomic operations. When the driver does not support atomic operations, fb uses plane-fb instead of plane-state-fb. Cherry-picked from commit...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/xe/nvm: Fixed a double-free operation in the aux add failure case. After a successful auxiliarydeviceinit call, auxdev-dev.release i.e., xenvmreleasedev is responsible for freeing the memory associated with the auxiliary devi...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fixed the issue where the unlock operation was not matched correctly for the DMUB HW lock in the HWSS fast path. Why The evaluation of whether we need to use the DMUB HW lock is different from the evaluation of...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: drm/sti: The return type of stidvo,hda,hdmiconnectormodevalid has been corrected. With Clang’s Kernel Control Flow Integrity kCFI, CONFIGCFICLANG, indirect call targets are validated against the expected function pointer...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm: Check that output polling is initialized before disabling it. In drmkmshelperpolldisable, check that output polling is initialized before disabling polling. If not, flag this as a warning. Additionally, in...

Astra Linux – Vulnerability in Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm/amdgpu: fix usage of slab after free +0.000021 BUG: KASAN: slab-use-after-free in drmschedentityflush+0x6cb/0x7a0 gpusched +0.000027 Reading of size 8 at address ffff8881b8605f88 by task amdpciunplug/2147 +0.000023 CPU: 6...

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 vulnerabilities have been resolved: drm/panthor: Fix for dma-fence safe access rules Commit 506aa8b02a8d6 “dma-fence: Add safe access helpers and document the rules” details the dma-fence safe access rules. The most common issue is that...