Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/pm: Fixed the null pointer dereference issue. If SMU is disabled, during RAS initialization, there will be a null pointer dereference issue...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: iommu/amd: Serialize sequence allocation under concurrent TLB invalidations. With concurrent TLB invalidations, the completion wait time might randomly time out. This occurs because the cmdsemval variable was incremented outsi...

Astra Linux – Vulnerability in Linux, Linux 5.10

LFENCE/JMP mitigation V2-2 may not be sufficient in mitigating CVE-2017-5715 on some AMD CPUs...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: fixed an out-of-bounds shift in CalculateVMAndRowBytes. REASON When PTEBufferSizeInRequests is zero, UBSAN reports the following warning because dmllog2 returns an unexpected negative value: The shift exponent...

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 5.10

In the Linux kernel, the following vulnerability has been resolved: x86/CPU/AMD: Added a missing terminator for zen5rdseedmicrocode Running x86matchminmicrocoderev on a Zen5 CPU results in a KASAN exception due to an out-of-bounds access...

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/amd/display: A memory leak was fixed in dmswfini. After destroying dmubsrv, the memory associated with it wasn’t freed, resulting in a memory leak: Unreferenced object: 0xffff896302b45800 size: 1024 Contents: comm...

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: x86/CPU/AMD: Disabling INVLPGB on Zen2 AMD Cyan Skillfish Family 17h, Model 47h, Stepping 0h has a issue that causes system errors and panics when performing TLB flush using INVLPGB. However, the problem arises from misconfigured...

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

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 – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Added a NULL check for ‘replay’ in ‘edpsetreplayallowactive’. In the first if statement, we are checking whether ‘replay’ is NULL. However, in the second if statement, we do not check whether ‘replay’ is NULL aga...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fixed the null check on pipectx-planestate in updatedchubpdpp. This issue is similar to commit 6a057072ddd1 “drm/amd/display: Fixed a null pointer dereference on dcn20updatedchubpdpp. It involves the same functio...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Added a null check in resourcelogpipetopologyupdate REASON When switching from “Extend” to “Second Display Only”, we sometimes call resourcegetotgmasterforstream on an eDP stream, even though the eDP is...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: perf/x86/amd: Fixed a crash that occurred due to a race between amdpmuenableall, perf NMI, and throttling. amdpmuenableall does the following: if !testbitidx, cpuc-activemask continue; amdpmuenableeventcpuc-eventsidx; A perf N...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: hwrng: geode – Fixed the PCI device reference count leak issue. The function foreachpcidev is implemented through pcigetdevice. The comment accompanying pcigetdevice states that it will increase the reference count of the...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel before version 6.9, a trusted-to-non-trusted hypervisor can inject Virtual Interrupt 29 VC at any point in time and can trigger its handler. This affects AMD SEV-SNP and AMD SEV-ES...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check whether extcaps is valid in BL setup. LVDS connectors do not have extended backlight caps; therefore, check whether the pointer is valid before accessing it. Selected from commit...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Fixed a potential out-of-bounds read in iommummioshow. In iommummiowrite, the offset provided by the user is validated using the check: iommu-dbgmmiooffset iommu-mmiophysend - 4. This assumes a 4-byte access. However,...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/kmemleak: Avoid scanning potential huge holes. When using devmrequestfreememregion and devmmemremappages to add ZONEDEVICE memory, if the end PFN of the requested free memory region is huge e.g., 0x400000000, the nodeendpfn wi...