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

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fixed potential null pointer dereference issues. The amdgpurasgetcontext function may return NULL if the device does not support the RAS feature; therefore, a check must be performed before using this function...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: bpf: devmap: provide rxq after redirect The rxq structure contains a pointer to the device from which the redirect occurred. Currently, the BPF program that is executed after a redirect via BPFMAPTYPEDEVMAP does not set this...

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

In the Linux kernel, the following vulnerability has been resolved: mfd: intelsocpmicbxtwc: Use the IRQ domain for PMIC devices While the idea of adapting the driver to utilize the hierarchy of IRQ chips is correct from a design perspective, the implementation has inherent flaws. This issue was...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Device property: Fixed the node refcount leak in fwnodegraphgetnextendpoint. The “parent” returned by fwnodegraphgetportparent has its refcount incremented when ‘prev’ is not NULL. This variable needs to be set after using it...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: md: fixed a deadlock between mddevsuspend and flush Bio A deadlock occurs when mddev is suspended while some of the flush Bio operations are still in progress. This is a complex issue. T1: The first flush occurs at the end of...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: nbd: fixed the race condition between timeout and normal completion. If the request for a timeout is handled by nbdrequeuecmd, normal completion must be stopped to avoid completing this queued request. This could potentially...

Astra Linux – Vulnerability in Qemu

A stack overflow due to an infinite recursion vulnerability was detected in the eepro100 i8255x device emulator of QEMU. This issue occurs during the processing of controller commands due to a DMA reentry issue. This flaw allows a guest user or process to consume CPU cycles or cause the QEMU...

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

In the Linux kernel, the following vulnerability has been resolved: dm thin: Make getfirstthin use rcu-safe list first function. The documentation in rculist.h explains the absence of listemptyrcu and warns programmers against relying on a sequence of listempty - listfirst in RCU-safe code. This ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: mctp: route: hold key-lock in mctpflowprepareoutput The mctpflowprepareoutput function checks key-dev and may call mctpdevsetkey. However, it does not hold key-lock during this process. Both mctpdevsetkey and mctpdevreleasekey...

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

In the Linux kernel, the following vulnerability has been resolved: Media: edia: dvbdev: fixed a use-after-free issue. In dvbregisterdevice, pdvbdev is set to equal dvbdev, which is freed in several error-handling paths. However, pdvbdev is not set to NULL after dvbdev’s deallocation, resulting i...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: nfc: llcp: Add a lock when modifying the device list. The device list requires its associated lock to be held when being modified; otherwise, the list could become corrupted, as syzbot discovered...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: tun: avoided double-free in tunfreenetdev Avoid double-free in tunfreenetdev by moving the dev-tstats and tun-security allocations to a new ndoinit routine tunnetinit, which will be called by registernetdevice. ndoinit is paired...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: The issue in fdt: fix off-by-one error in unflattendtnodes Commit 78c44d910d3e “drivers/of: Fix depth when unflattening devicetree” forgot to fix the depth check in the loop body of unflattendtnodes. This could lead to an overflo...

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

In the Linux kernel, the following vulnerability has been resolved: hwrng: core – Fix page fault deadlock on mmap-ed hwrng There is a dead-lock in the hwrng device read path. This occurs when the user reads from /dev/hwrng into memory, and at the same time, /dev/hwrng is also mapped into memory...

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

In the Linux kernel, the following vulnerability has been resolved: s390/dasd: fixed the issue of double module refcount decrementation. Once the discipline is associated with the device, deleting the device will cause the module’s refcount to be decreased. Performing this operation manually alon...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel before version 6.1.13, there is a double-free in the net/mpls/afmpls.c file when an allocation failure occurs due to registering the sysctl table under a new location during the renaming of a device...

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

In the Linux kernel, the following vulnerability has been resolved: mtd: rawnand: Serialize lock/unlock operations in relation to other NAND operations. The functions nandlock and nandunlock involve calling chip-ops.lockarea/unlockarea, but they do not hold the NAND device lock. In controllers th...

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

In the Linux kernel, the following vulnerability has been resolved: media: dvbdev: The risk of out-of-memory access has been prevented. The dvbdev module contains a static variable used to store dvb minors. Its behavior depends on whether CONFIGDVBDYNAMICMINORS is set or not. When it is not set,...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ata: libata-transport: fixed error handling in atatlinkadd In atatlinkadd, the return value of transportadddevice is not checked. As a result, a nullptrdereference exception occurs when removing the module, because...

Astra Linux – vulnerability in linux, linux-5.10

In the Linux kernel, the following vulnerability has been resolved: hwmon: w83792d Fix NULL pointer dereference by removing unnecessary structure field If the driver reads val value sufficient for val & 0x08 && !val & 0x80 && val & 0x7 == val 4 & 0x7 from the device, then a NULL pointer dereferen...