Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/fbdev-generic: prohibiting potential out-of-bounds accesses The fbdev test in IGT may write after EOF, leading to out-of-bound accesses for DRM drivers that use fbdev-generic. For example, running the fbdev test on an...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: “Revert ‘drm/gem-dma: Use dmabuf from GEM object instance’” This change is reflected in commit e8afa1557f4f963c9a511bd2c6074a941c308685. The dmabuf field in the struct drmgemobject is not stable throughout the lifetime of the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: “Revert ‘drm/prime: Use dmabuf from GEM object instance’” This reversion is achieved through the commit f83a9b8c7fd0557b0c50784bfdc1bbe9140c9bf8. The dmabuf field in the struct drmgemobject is not stable throughout the lifetime o...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: accel/ivpu: Fixed a page fault in ivpubounbindallbosfromcontext...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/gud: Fixed UBSAN warnings UBSAN reported an invalid value for the bool type: 101.165172 drm Initialized gud 1.0.0 20200422 for 2-3.2:1.0 on minor 1 101.213360 gud 2-3.2:1.0: drm fb1: guddrmfb frame buffer device 101.213426...

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/i915: Avoid potential “vm use-after-free” situations. By adding the virtual machine to the vmxa table, it becomes visible to user space. This could potentially cause user space to attempt to close the virtual machine at the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/i915/ttm: fixed handling of CCS Crucible + recent Mesa sometimes causes the following issue: GEMBUGONnumccsblks NUMCCSBLKSPERXFER It seems that this issue can also be triggered with gemlmemswapping, if we modify the tests ...

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/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 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fixed a memory leak in the mes self test. The fences associated with the mes queue must be freed during amdgpuringfini...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/msm: Ensure that lastfence is always updated. Update lastfence in the vm-bind path, rather than the kernel-managed path. lastfence is used to wait for work to complete in vmbind contexts, but not in kernel-managed contexts...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/i915/ttm: Do not leak the ccs state. The kernel only manages the ccs state using lmem-only objects. However, the kernel should still take care to prevent leaking the CCS state from the previous user. Cherished from commit...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/msm/a4xx: Fixed error handling in a4xxgpuinit. This code now returns 1 on error instead of a negative error. This leads to an “Oops” in the calling function. Another issue is that the check if ret != -ENODATA cannot be tru...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Null checks for adev-dm.dc in amdgpudmfini have been fixed. Since adev-dm.dc in amdgpudmfini might turn out to be NULL before the call to dcenabledmubnotifications, a check is performed beforehand to ensure that...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Validated user queue size constraints. Added validation to ensure that user queue sizes meet hardware requirements: - The size must be a power of two for efficient ring buffer wrapping. - The size must be at least...

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

In the Linux kernel, the following vulnerability has been resolved: drm/amd/pm: fixed the out-of-bounds read warning. Using index i-1U may exceed the element index for mcdata when i=0...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: The value of UnboundedRequestEnabled was checked. The UnboundedRequestEnabled parameter in CalculateSwathAndDETConfigurationparamsst is a pointer i.e., dmlboolt UnboundedRequestEnabled. Therefore, if...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: The oem i2c adapter is removed after the process is completed. This fix addresses a bug where unbinding the GPU would leave the oem i2c adapter registered, resulting in a null pointer dereference when application...

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...