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

In the Linux kernel, the following vulnerability has been resolved: arm64: acpi: Harden the getcpuforacpiid function to prevent errors when a missing CPU entry is used. During a review discussion of the changes to support vCPU hotplug, it was noted that a check was added to ensure the GICC Global...

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

In the Linux kernel, the following vulnerability has been resolved: ACPI: Battery: Fixed a possible crash that occurred when unregistering a battery hook. When a battery hook returns an error during the addition of a new battery, the battery hook is automatically unregistered. However, the batter...

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-5.15, Linux-5.10

In the Linux kernel, the following vulnerability has been resolved: ACPI: EC: Fixed an oops error when removing custom query handlers. When removing custom query handlers, the handler may still be used within the EC query workqueue. This could lead to a kernel oops if the module that holds the...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ALSA: hda: intel-sdw-acpi: fixed the usage of devicegetnamedchildnode The documentation for devicegetnamedchildnode mentions this important point: “The caller is responsible for calling fwnodehandleput on the returned fwnode...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: acpi: typec: ucsi: Introduced a -pollcci method For the ACPI backend of UCSI, the UCSI “registers” are merely a memory copy of the register values in an opregion. The ACPI implementation in the BIOS ensures that the contents of t...

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 5.15, Linux 6.1, and Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: ACPI: PAD: fixed a crash in exitroundrobin The kernel occasionally crashes in cpumaskclearcpu, which is called within exitroundrobin. This occurs when executing clearbitnr, addr with nr set to 0xffffffff. In such cases, the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ALSA: hda: cs35l41: Fixed NULL pointer dereferencing in cs35l41hdareadacpi The acpigetfirstphysicalnode function may return NULL. In such cases, the getdevice function also returns NULL. However, this value is then dereferenced...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

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 in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: nouveau/gsp: removing the WARNON messages in ACPI probes. These WARNON messages seem to trigger frequently, and we currently do not have a plan to fix them. Therefore, we’re simply removing them, as they are likely harmless...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: efi: ssdt: Do not free memory if the ACPI table was successfully loaded. Amadeusz reported errors due to KASAN use-after-free, introduced by commit 3881ee0b1edc “efi: avoid the efivars layer when loading SSDTs from variables”. Th...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ACPI: Processor – Check for a null return value from devmkzalloc in fchmiscsetup The devmkzalloc function may fail, and clkdata-name may be NULL. This could lead to a NULL pointer dereferencing later. rjw: Subject and changelog...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: i2c: i801: Revert “i2c: i801: replace acpilock with I2C bus lock” This revertment is associated with the commit f707d6b9e7c18f669adfdb443906d46cfbaaa0c1. Under rare circumstances, multiple udev threads may collect information abo...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7921: fixed the use of memory after it was freed in mt7921acpiread. Do not dereference “sarroot” after it has been freed...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: tpm: tpmtis: Added the function acpiputtable to prevent a memory leak. In checkacpitpm2, we obtain the TPM2 table just to ensure that it exists and isn’t used after initialization. Therefore, the acpiputtable function should be...

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 found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: tpm: In tpmcrb, add acpiputtable to fix a memory leak. In crbacpiadd, we obtain the TPM2 table to retrieve information such as the start method, and then assign those values to private data. Therefore, the TPM2 table is not used...

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

In the Linux kernel, the following vulnerability has been resolved: LoongArch: Fixed warnings during S3 suspension The enablegpewakeup function calls acpienableallwakeupgpes, and this function may also call the preemptschedulecommon function. This results in a thread switch, causing the CPU to be...