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: dmaengine: ti: Add a NULL check in udmaprobe The devmkasprintf function returns NULL when memory allocation fails. Currently, udmaprobe does not check for this case, resulting in a NULL pointer being dereferenced. Add a NULL chec...

Astra Linux – Vulnerability in Firefox

A memory allocation check was missing, which could lead to a “use-after-free” error if the allocation failed. This could potentially trigger a crash or be exploited to achieve code execution. This vulnerability affects Firefox versions less than 126...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: pinctrl: ralink: Check for a null return from devmkcalloc. Due to the potential failure of the allocation, data-domains might be a NULL pointer, and this could lead to the dereferencing of a NULL pointer later. Therefore, it migh...

Astra Linux – Vulnerability in u-boot

Integer overflows in memory allocation in Das U-Boot before 2025.01-rc1 occur due to a crafted squashfs filesystem using sbrk, request2size, or because ptrdifft is mishandled on x8664...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/exynos: vidi: Use ctx-lock to protect member variables related to memory allocation/free operations. The Exynos Virtual Display driver performs memory allocation/free operations without lock protection, which can easily lead ...

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: Issue: unittest – Fix null pointer dereferencing in ofunittestfindnodebyname Description: When kmalloc fails to allocate memory in kasprintf, name or fullname will be NULL, and strcmp will cause a null pointer dereference...

Astra Linux – Vulnerability in grub2

Integer underflow in grubnetrecvip4packets; A malicious IP packet can cause an integer underflow in the grubnetrecvip4packets function, affecting the rsm-totallen value. Under certain circumstances, the totallen value may wrap around to a small integer number, which will be used in memory...

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: In tomoyowritecontrol, do not emit a warning. syzbot reports a “too-large allocation” warning in tomoyowritecontrol. This occurs when a very long line can be written without a newline character. To fix this warning, I use GFPNOWA...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: RDMA/uverbs: Validates wqesize before using it in ibuverbspostsend. The ibuverbspostsend function uses cmd.wqesize from the user space without any validation before passing it to kmalloc. As a result, the allocated buffer is used...

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: Nilfs2: Fixed potential deadlocks caused by newly created symlinks. Syzbot reported that pagesymlink, called by nilfssymlink, triggers memory reclamation involving the filesystem layer. This can lead to circular lock dependencies...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: wcn36xx – Fix the memory allocation size for channel survey. KASAN reported a memory allocation issue in wcn-chansurvey, due to incorrect size calculations. This commit uses kcalloc to allocate memory for wcn-chansurvey,...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: SELinux: The use of both GFPKERNEL and GFPATOMIC in convertcontext was enabled. The following warning was triggered in a hardware environment: SELinux: Converting 162 SID table entries... BUG: The sleeping function was called...

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: dmaengine: ti: edma: Fix memory allocation size for queueprioritymap A critical memory allocation bug was fixed in the edmasetupfromhw function, where queueprioritymap was allocated with insufficient memory. The code declared...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: i40e: Fixed DMA mapping leaks During the reallocation of RX buffers, new DMA mappings are created for those buffers. Reproduction steps: While doing the following: Do For i=0; i=8160; i=i+32 Do ethtool -G enp130s0f0 rx $i tx $...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: dma-buf: Fixed NULL pointer dereferencing in sanitycheck. If mockchain returns NULL due to a memory allocation failure, it is passed to dmafenceenableswsignaling, resulting in a NULL pointer dereferencing there. Call...

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: Regulator: gpio – Fixed an issue where access to drvdata::gpiods resulted in out-of-bounds access. drvdata::gpiods is supposed to hold an array of pointers to gpiodesc structures. However, only one pointer is allocated for this...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: erofs: Add GFPNOIO to the bio completion if necessary. The bio completion path in the process context e.g., dm-verity directly calls decompression instead of triggering another workqueue context for minimal scheduling latency. Th...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: xfrm: Update ipcompscratches with NULL when freed Currently, if ipcompallocscratches fails to allocate memory, ipcompscratches holds an obsolete address. Therefore, when we try to free the percpu scratches using...

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: media: atomisp: Added a check for a failure in memory allocation for rgbydata. In iacss3astatisticsallocate, there is no check on the allocation result of the rgbydata memory. If rgbydata is not successfully allocated, it may...

Astra Linux – Vulnerability in Apache2

A memory allocation vulnerability with an excessive size value in Apache HTTP Server’s modhttp leads to a denial of service due to malicious HTTP requests. This issue affects Apache HTTP Server versions 2.4.17 through 2.4.67...