Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Platform/x86: mxm-wmi: fixed a memory leak in the mxmwmicallmxds|mx function. The ACPI buffer memory out.pointer returned by wmievaluatemethod is not freed after the call, resulting in a memory leak. This issue occurs because the...

Astra Linux – Vulnerability in Qemu

Integer overflows and buffer overflows were identified in the ACPI Error Record Serialization Table ERST device of QEMU, within the readerstrecord and writeerstrecord functions. Both issues may allow the guest to exceed the host buffer allocated for the ERST memory device. A malicious guest could...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ACPI: Fix for NULL pointer dereferencing Commit 71f642833284 “ACPI: utils: Fix reference counting in foreachacpidevmatch” began handling “acpidevput” on a pointer that might be NULL. This approach fails miserably, as the helper...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iio: accel: kxcjk-1013: Fixed a possible memory leak in the probe function by removing the data-dreadyTrig condition. When the ACPI type is ACPISMO8500, the data-dreadyTrig field will not be set, and the memory allocated by...

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

In the Linux kernel, the following vulnerability has been resolved: ACPICA: Check that the null return value of ACPIALLOCATEZEROED in acpidbdisplayobjects is valid. The issue was reported by ACPICA commit 0d5f467d6a0ba852ea3aad68663cbcbd43300fd4. The ACPIALLOCATEZEROED function may fail, and...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ACPI: CPPC: Avoid out-of-bounds access when parsing CPC data If the NumEntries field in the CPC return packet is less than 2, do not attempt to access the “Revision” element of that packet, because it may not be present at that...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ACPI: APEI: Fixed an integer overflow in ghesestatuspoolinit. The variable numghes was changed from int to unsigned int, preventing an overflow and causing subsequent vmalloc calls to fail. The overflow occurs in...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: mdiobus: fix unbalanced node reference count I encountered the following issue during the devicemscc-miim load test, with CONFIGOFUNITTEST and CONFIGOFDYNAMIC enabled: - ERROR: Memory leak; the expected reference count was 2...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: HID: intel-ish-hid: ipc: Disabling and re-enabling the ACPI GPE bit The EHL Elkhart Lake-based platforms provide an out-of-band service that allows devices to wake up when the system is in the S5 Soft-Off state. This out-of-band...

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

In the Linux kernel, the following vulnerability has been resolved: ACPI: processoridle: A memory leak was fixed in acpiprocessorpowerexit. After unregistering the CPU idle device, the memory associated with it wasn’t freed, resulting in a memory leak: unreferenced object 0xffff896282f6c000 size...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: ALSA: hda: intel-sdw-acpi: hardening the detection of controllers. The existing code currently sets a pointer to an ACPI handle before checking whether it is indeed a SoundWire controller. This can lead to issues where the proces...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: tpm: acpi: Calling acpiputtable to fix a memory leak. The size of the event log area is obtained from the TPM2 or TCPA table. Therefore, we call acpigettable to retrieve ACPI information. However, acpigettable should be used in...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ACPICA: The error code path in acpidscallcontrolmethod has been fixed. A use-after-free occurs in acpipsParseAML after a failed invocation of acpidscallcontrolmethod. This issue was reported by KASAN1. Code inspection reveals tha...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: wwan: iosm: A memory leak has been fixed in ipcpciereadbioscfg. The ipcpciereadbioscfg function uses acpievaluatedsm to obtain the wwan power state configuration from the BIOS. However, it does not free the acpiobject after...

Astra Linux – Vulnerability in grub2

A flaw was discovered in grub2 in versions prior to 2.06, where it incorrectly enabled the use of the ACPI command when Secure Boot was enabled. This flaw allows an attacker with privileged access to create a Secondary System Description Table SSDT containing code that can overwrite the Linux...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: ACPI: custommethod – fixed a potential use-after-free issue. In the cmwrite function, the buffer is always freed when it reaches the end of the function. If the requested count is less than table.length, the allocated buffer will...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ACPI: CPPC: Use accesswidth instead of bitwidth for system memory accesses To comply with ACPI 6.3+, since bitwidth can be any 8-bit value, it cannot be relied upon to always be at a clean 8-bit boundary. This issue was discovere...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/pm: Updated the intermediate power state for SI. Updated the current state to the boot state during dpm initialization. During subsequent initialization, setpowerstate is called to transition to the final power state...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Do not dereference the ACPI root object handle Since the commit referenced in the Fixes section below the VMBus client driver attempts to traverse the ACPI namespace from the VMBus ACPI device to the ACPI...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ACPI: In the acpiecsetup function, when ecinstallhandlers returns -EPROBEDEFER on reduced-hardware platforms, the EC is already initiated, and the address-space handler is installed using the struct acpiec pointer as the handler...