Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fixed suspicious RCU usage The commit “iommu/vt-d: Allocate DMAR fault interrupts locally” moved the call to enabledrhdfaulthandling to a code path that does not hold any lock while traversing the drhd list. This issu...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: can: mcan: mcanclassallocatedev – The spin lock in struct mcanclassdev is not being initialized. This causes issues with spinlocks, as seen in complaints from the kernel, such as when trying to send CAN frames using cansend from...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: caifvirtio: The incorrect pointer check in cfvprobe has been fixed. delvqs frees virtqueues. Therefore, the pointer cfv-vqtx should be checked for being NULL before calling delvqs. The current implementation is redundant because...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: Thermal: int340x: Added a NULL check for adev. Not all devices have an ACPI companion fwnode; therefore, adev may be NULL. This is similar to the change made in commit cd2fd6eab480 “platform/x86: int3472: Check for adev == NULL”....

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: i3c: Added a NULL pointer check in i3cmasterqueueibi The I3C master driver may receive an IBI from a target device that has not been probed yet. In such cases, the master calls i3cmasterqueueibi to queue an IBI work task, leading...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: regulator: dummy: force synchronous probing Sometimes, a NULL pointer dereference occurs during boot time in the kobjectget function, with the following call stack: anatopregulatorprobe, devmregulatorregister, regulatorregister,...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: Staging: bcm2835-camera: Initialize dev in v4l2dev. The commit 42a2f6664e18 “Staging: vc04services: Move global gstate to vchiqstate”” changed mmalinit to pass dev-v4l2dev.dev to vchiqmmalinit. However, nothing was initialized...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: padata: Do not leak the reference count in reorderwork. A recent patch that addressed a UAF introduced a reference count leak: The reference count of paralleldata is incremented unconditionally, regardless of the return value of...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: regulator: max20086: fix invalid memory access The issue arises from calls to ofregulatormatch, where an array of struct ofregulatormatch is used as the argument for the matches parameter. In these calls, devmofregulatorputmatche...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ata: patapxa: Fixed a potential NULL pointer dereferencing in pxaataprobe. devmioremap returns NULL upon error. Currently, pxaataprobe does not check for this case, which could lead to a NULL pointer dereferencing. Add a NULL che...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: i2c: cros-ec-tunnel: defer probe if parent EC is not present When i2c-cros-ec-tunnel and the EC driver are built-in, the EC parent device will not be found, leading to NULL pointer dereference. That can also be reproduced by...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: perf: arm-ni: Unregistering PMUs due to probe failures When a resource allocation fails in one clock domain of an NI device, we need to properly roll back all previously registered perf PMUs in other clock domains of the same...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: Wifi: plfxlc: Removed an erroneous assertion in plfxlcmacrelease The plfxlcmacrelease function includes an assertion that checks whether mac-lock is held. This assertion is incorrect, because even if it were possible, it would no...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: wifi: rtlwifi: removed the unused checkbuddypriv function. The commit 2461c7d60f9f “rtlwifi: Update header file” introduced a global list of private data structures. Later, the commit 26634c4b1868 “rtlwifi: Modify existing bits t...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: soc: samsung: exynos-chipid: A NULL pointer check was added in exynoschipidprobe. socdevattr-revision can be NULL; therefore, a pointer check was added to prevent potential NULL pointer dereferencing. This is similar to the fix i...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: perf: arm-ni: Fixed the omission of platformsetdrvdata Added platformsetdrvdata to armniprobe; otherwise, calling platformgetdrvdata in remove will return NULL...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: net: txgbe: fixed a memory leak in the error handling path of txgbeprobe When txgbeswinit is called, memory is allocated for wx-rsskey in wxinitrsskey. However, in the txgbeprobe function, the subsequent error handling paths d...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: Wifi: In rtlwifi, memory leaks and invalid access at the probe error path have been fixed. The deinitialization is performed in reverse order when the probe fails. When initswvars fails, rtldeinitcore should not be called. Thi...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: drm/i915/huc: Fixed the issue where the fence wasn’t released in case of early probe errors. The feature of delaying the release of the fence, introduced with commit 27536e03271da drm/i915/huc: track delayed HuC load with a...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: w1: fixed NULL pointer dereferencing in the probe. The w1uartprobe function calls w1uartserdevopen which includes devmserdevdeviceopen before setting the client ops via serdevdevicesetclientops. This order can lead to a NULL...