iGPU-Leak

CVE-2019-14615: The iGPU-Leak Vulnerability Wenjian He, Wei Zhang, Sharad Sinha and Sanjeev Das. iGPU Leak: An Information Leakage Vulnerability on Intel Integrated GPU. In Proceedings of the 25th Asia and South Pacific Design Automation Conference ASP-DAC'20. View PDF View Slides What happened? ...

Astra Linux – Vulnerability in Qemu

A issue was discovered in QEMU through version 5.1.0. An out-of-bounds memory access was identified in the ATI VGA device implementation. This flaw occurs in the ati2dblt routine in hw/display/ati2d.c, during handling of MMIO write operations via the atimmwrite callback. A malicious guest could...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fixed UBSAN shift-out-of-bounds warning If getnumsdmaqueues or getnumxgmisdmaqueues is 0, we perform a shift operation where the number of bits shifted equals the number of bits in the operand. This behavior is...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Prevents unmapping of active read buffers. The kms paths maintain a persistent map that is active for reading and comparing the cursor buffer. These maps can conflict with each other in simple scenarios where: a buffe...

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

In the Linux kernel, the following vulnerabilities have been resolved: drm/amdgpu: The parameters of bo mapping operations need to be clarified. The parameters of amdgpuvmbomap/replacemap/clearingmappings should be verified in a single common place...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fixed the refcount leak for PCI devices According to the comments on pcigetdomainbusandslot, it returns a PCI device with a refcount that increments after use. Therefore, the caller must decrement the reference count ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau/disp: fixed a use-after-free in error handling of nouveauconnectorcreate. We cannot simply free the connector after calling drmconnectorinit on it. We need to clean up the DRM-related aspects first. This may not fix a...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: drm/amd/pm: fixed a random hang during S4 for SMU v13.0.4/11. During multiple S4 stress tests, GC/RLC/PMFW became in an invalid state, leading to hard hangs. Adding a GFX reset as a workaround just before sending the MP1UNLOAD...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fixed the type of the second parameter in the odneditdpmtable callback. With Clang’s kernel control flow integrity kCFI, CONFIGCFICLANG, indirect call targets are validated against the expected function pointer...

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 UBSAN array-index-out-of-bounds issues for Polaris and Tonga. For pptable structures that use flexible array sizes, use flexible arrays instead...

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/gma500: fixed the null pointer dereferencing in cdvintellvdsgetmodes. In cdvintellvdsgetmodes, the return value of drmmodeduplicate is assigned to mode. This can lead to a NULL pointer dereferencing in case of a failure of...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: drm/v3d: Stop the active perfmon before being destroyed When running kmscube with one or more performance monitors enabled via GALLIUMHUD, the following kernel panic can occur: 55.008324 Unable to handle kernel paging request ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: The handling of the pcichanneliofrozen case is now performed only in amdgpupciresume. In current code, when a PCI error state pcichannelionormal is detected, it will report the PCIERSRESULTCANRECOVER status to the PCI...

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/v3d: Disabling interrupts before resetting the GPU Currently, an interrupt can be triggered during a GPU reset, which can lead to GPU hangs and NULL pointer dereferencing in an interrupt context, as shown in the following...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

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

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/display: Avoid NULL dereferencing of the timing generator Why & How Check whether the assigned timing generator is NULL before accessing its functions, to prevent NULL dereferencing...

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

A double-free memory flaw was discovered in the Linux kernel. The Intel GVT-g graphics driver triggers a system resource overload for the VGA card, resulting in a failure in the intelgvtdmamapguestpage function. This issue could allow a local user to crash the system...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Clearing the optc underflow before turning off the ODM clock Why After the ODM clock is turned off, the optc underflow bit remains there indefinitely, and clearing it doesn’t work. We need to clear that bit befor...

Astra Linux - уязвимость в linux-6.1, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: drm/msm: Fix a fence leak in submit error path In error paths, we could unref the submit without calling drmschedentitypushjob, so msmjobfree will never get called. Since drmschedjobcleanup will NULL out the sfence, we can use th...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/i915/vma: Fixed a UAF issue during destruction that could lead to a race condition. Object debugging tools occasionally reported illegal attempts to free an i915 VMA object when parking a GT that was believed to be idle...