Astra Linux – Vulnerability found in Linux 6.1, 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-6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Destroy KFD debugfs after destroy KFD wq Since the KFD proc content has been moved to kernel debugfs, we cannot destroy KFD debugfs before kfdprocessdestroywq. Moving kfdprocessdestroywq prior to kfddebugfsfini fixes ...

Astra Linux – vulnerability in linux-5.10, linux-6.1, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Fix potential buffer overflow in parseivrsacpihid There is a string parsing logic error which can lead to an overflow of hid or uid buffers. Comparing ACPIIDLEN against a total string length does not take into account...

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

In the Linux kernel, the following vulnerabilities have been resolved: drm/amd/display: Fixed an issue where an index out of bounds could occur in the degamma hardware format translation. This issue was addressed by fixing the index out of bounds situation in the...

Astra Linux – vulnerability in linux-6.1

In the Linux kernel, the following vulnerability has been resolved: perf/x86/amd/brs: Fix kernel address leakage A user-only branch stack can contain branches originating from the kernel. As a result, kernel addresses are exposed to user space even when PERFSAMPLEBRANCHUSER is requested. On AMD...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: cpufreq: amd-pstate-ut: Fixed a kernel panic that occurred when loading the driver. After loading the amd-pstate-ut driver, the functions amdpstateutcheckperf and amdpstateutcheckfreq use cpufreqcpuget to obtain the CPU’s policy...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fixed the issue where the mmap write lock was not released. If the mmap write lock is acquired while draining a retry fault, the mmap write lock is not released because svmrangerestorepages calls mmapreadunlock before...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: drm/amd/display: Check linkres-hpodplinkenc before using it. WHAT & HOW The functions dpenablelinkPhy and dpdisablelinkPhy can pass linkres without initializing hpodplinkenc. It is necessary to check for null values before...

Astra Linux – vulnerability in linux-5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Cache streams targeting link when performing LT automation WHY The last LT automation update can cause a crash by referencing currentstate and calling into dcupdateplanesandstream, which may clobber currentstate...

Astra Linux – vulnerability in linux-5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Wake DMCUB before sending a command Why We can hang in place trying to send commands when the DMCUB isn’t powered on. How For functions that execute within a DC context or DC lock we can wrap the direct calls to...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amd: check num of link levels when update pcie param In the SR-IOV environment, the value of pcietable-numoflinklevels will be 0, and numoflevels - 1 will cause an array index out of bounds...

Astra Linux – vulnerability in linux-5.15, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: HID: amdsfh: frees driverdata after destroying a hid device The HID driver callbacks are no longer invoked after hiddestroydevice has been called. Therefore, driverdata must be freed only after the hiddestroydevice function...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: The denominator pbndiv is checked before being used. WHAT & HOW The denominator cannot be 0; it is checked before being used. This fix addresses a Divide-by-zero issue reported by Coverity. source-iocs-preserved...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Fixed a reference count leak in pprnotifier. According to the comments for pcigetdomainbusandslot, it returns a PCI device with a reference count that increments after use. The caller must decrement the reference count...

Astra Linux – vulnerability in linux-5.10, linux-6.1, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amd/pm: Prevent division by zero The user can set any speed value. If speed is greater than UINTMAX/8, division by zero is possible. Found by Linux Verification Center linuxtesting.org with SVACE...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: platform/x86/amd/pmc: Detection when STB is unavailable Loading the amdpmc module with the option amdpmc enablestb=1 may result in the following messages in the kernel ring buffer: amdpmc AMDI0009:00: SMU cmd failed. err: 0xff...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm/amd/display: Fixed NULL dereference and buffer over-reading in SDP debugfs Why & How The function dpsdpmessagedebugfswrite dereferences connector-base.state-crtc without checking for NULL. A connector may be connected but...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

A temporary execution vulnerability within AMD CPUs may allow a local user-privileged attacker to leak data through the floating-point divisor unit, potentially leading to a loss of confidentiality...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: KVM: nSVM: Remove the user-triggered WARN message emitted by nestedsvmloadcr3. Remove the WARN message generated by svmsetnestedstate in nestedsvmloadcr3 failure cases. This message can be easily triggered from userspace by...

Astra Linux – vulnerability in linux-5.10, linux-5.15, linux

In the Linux kernel, the following vulnerability has been resolved: ntbnetdev: Use devkfreeskbany in interrupt context The TX/RX callback handlers ntbnetdevtxhandler, ntbnetdevrxhandler can be invoked in interrupt context via the DMA framework after the respective DMA operations have completed...