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

A flaw was discovered in the Netfilter subsystem of the Linux kernel. The issue lies with the nftbyteordereval function, where the code iterates through an loop and writes to the dst array. In each iteration, 8 bytes are written, but dst is an array of u32 values; therefore, each element in the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: XArray: Fixed the issue with xascreaterange when a multi-index entry is present. If there is already an entry present that is of order = XACHUNKSHIFT when we call xascreaterange, xascreaterange will misinterpret that entry as a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: gpiolib: fixed a race condition related to gdev-srcu If two drivers call gpiochipadddatawithkey, one might traverse the srcu-protected list in gpionametodesc, while the other just adds its gdev in gpiodevaddtolist unlocked. Th...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: spi: Fixed a use-after-free of the addlock mutex Commit 6098475d4cb4 “spi: Fixed a deadlock when adding SPI controllers on SPI buses” introduced a per-controller mutex. However, the mutexunlock call for that lock occurs after the...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: blk-cgroup: fixed a UAF vulnerability by acquiring the blkcg lock before destroying the blkg. KASAN reports a use-after-free issue during the fuzz test: 693354.104835...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: PM / devfreq: hisi: Fixed a potential UAF issue in OPP handling. Ensured that all required data is acquired before calling devpmoppputop, to maintain the correct order of resource acquisition and release...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: smb3: Fixed the potential deadlock due to lock ordering in the cifssyncmidresult function. Coverity identified that the cifssyncmidresult function could lead to a deadlock. “Thread deadlock ORDERREVERSAL lockorder: Calling spinlo...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: ASoC: qcom: q6apm: moved component registration to unmanaged version The q6apm component registers DAIS dynamically from ASoC toplology. These resources are allocated using device-managed API methods. Assigning both components...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Wifi: ath9k: Fixed a use-after-free in ath9khifusbdisconnect This patch fixes a use-after-free that occurs in ath9khifusbdisconnect, when ath9khifusbdisconnect attempts to access “drvpriv”, which has already been freed by...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: erofs: The issue of generating a order = MAXORDER warning due to an intentionally crafted negative isize has been fixed. As reported by syzbot 1, the root cause is that the isize field is a signed type, and a negative isize value...

Astra Linux – Vulnerability in golang-go.crypto

Applications and libraries that misuse the connection.serverAuthenticate function via the ServerConfig.PublicKeyCallback callback field may be susceptible to authorization bypasses. The documentation for ServerConfig.PublicKeyCallback states that “Calling this function does not guarantee that the...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: mld: Fixed a panic that occurred in mldnewpack. mldnewpack does not allow for the allocation of higher-order pages; only order-0 allocations are allowed. If the headroom size is too large, a kernel panic may occur in skbput...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Fixed the initialization of the device object in vmbusdeviceregister. Initialized the device’s dmamask,parms pointers and the device’s dmamask value before invoking deviceregister. This issue was addressed in...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: CT: Fix cleanup of CT before cleanup of TC ct rules CT cleanup assumes that all tc rules were deleted first. Therefore, it is possible to delete the CT shared resources e.g., draction and fwdaction, which are shared...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Platform/x86: x86-android-tablets: Devices are unregistered in reverse order. Not all subsystems support the removal of a device when there are still consumers referencing that device. One example is the regulator subsystem. If a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Tracing: Fixed a potential deadlock in CPU hotplug with osnoise. The following sequence may lead to a deadlock in CPU hotplug: task1 task2 task3 ----- ----- ----- The code sequence is as follows: mutexlock&interfacelock CPU GOING...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: stmmac: Clearing the variable when destroying the workqueue Currently, when suspending the driver and stopping the workqueue, it is checked whether workqueue is not NULL. If it is NULL, the workqueue is destroyed. The function...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Platform/x86: lenovo-yoga-tab2-pro-1380-fastcharger: Fixed the race condition in serdev. The yt21380fcserdevprobe function calls devmserdevdeviceopen before setting the client operations using serdevdevicesetclientops. This...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: RISC-V: KVM: Teardown of riscv-specific bits after kvmexit During a module removal, kvmexit invokes an architecture-specific disable call, which disables AIA. However, we invoke aiaexit before kvmexit, resulting in the following...

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

In the Linux kernel, the following vulnerability has been resolved: perf/core: Abrupt exit if the requested AUX area is out of bounds. When using perf-record with a large AUX area, for example 4GB, the following error occurs: bash perf record -C 0 -m ,4G -e armspe0// -- sleep 1 Failed to mmap wit...