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

In the Linux kernel, the following vulnerabilities have been resolved: net: sched: Disallow replacing of child qdisc from one parent to another. Lion Ackermann was able to create a Use-after-Allocation UAF that can be exploited for privilege escalation using the following scripts: Step 1: Create ...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm/amd/display: Fixed MST Null Ptr for RV The change attempts to fix the following error specific to the RV platform: BUG: Kernel NULL pointer dereference, address: 0000000000000008 PGD 0 P4D 0 Oops: 0000 1 PREEMPT SMP NOPTI...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: EFI: Fixed a panic in the kdump kernel. Check whether the getnextvariable function is indeed a valid pointer before calling it. In the kdump kernel, this function is set to NULL, which causes a panic during the kexec-ed kernel...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: possible double-free of cctx-remoteheap The function fastrpcinitcreatestaticprocess may free the memory allocated to cctx-remoteheap during the errmap path, but does not clear the pointer pointing to that memory...

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

In the Linux kernel, the following vulnerabilities have been resolved: mmc: sdio: fixed possible resource leaks in some error paths If sdioaddfunc or sdioinitfunc fails, sdioremovefunc cannot release the resources, because the sdio function is not called in these cases, and thus neither ofnodeput...

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: blk-iocost: Use spinlockirqsave in adjustinuseandcalccost. The adjustinuseandcalccost function uses spinlockirq, and IRQ will be enabled when unlocking. A DEADLOCK may occur if other locks are held and IRQs are disabled before...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: dma-buf: heaps: Fixed potential Spectre v1 gadget It appears that nr could be a Spectre v1 gadget, as it is provided by a user and used as an array index. This issue prevents the contents of kernel memory from being leaked to use...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: auxdisplay: hd44780: A potential memory leak was fixed in hd44780remove. hd44780probe allocates a memory block for hd using kzalloc, and makes “lcd-drvdata-hd44780” point to it. When calling hd44780Remove, we should release all...

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: landlock: Handle weird files A corrupted filesystem e.g., bcachefs might return weird files. Instead of throwing a warning and allowing access to such files, treat them as regular files...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Platform/x86: think-lmi: A memory leak was fixed when displaying current settings. When retrieving an item string using tlmisetting, the memory allocated for the string must be freed using kfree. However, in the currentvalueshow...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: encx24j600: check error in devmregmapinitencx24j600 devmregmapinit may return error which caused by like out of memory, this will results in null pointer dereference later when reading or writing register: general protection...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fixed a race condition between disabling DIM and netdim There’s a race condition between disabling DIM and NAPI callbacks that use the dim pointer on the RQ or SQ. If the NAPI checks the DIM state bit and finds it stil...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net.manap: Null servicewq on setup error to prevent double destruction. In the managdsetup error path, servicewq is set to NULL after destroyworkqueue, to match the cleanup in managdcleanup. This prevents a use-after-free if the...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Validated the box size for the snooped cursor. Invalid user-space DMA surface copies could potentially cause an overflow when copying data from the surface to the snooped image, leading to crashes. To address this...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd – Fix for leaking event log memory During the device removal process, the device is reset, causing the configuration registers to return to their default state, which is zero. Since the driver checks whether the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: dmaengine: qcom-adm: fix wrong sizeof config in slaveconfig The issue involved a corrupted slaveconfig function that incorrectly compared peripheralsize with the size of the config pointer, rather than the size of the config...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ASoC: mediatek: mt8195: Fixed error handling in mt8195mt6359rt1019rt5682devprobe. The devicenode pointer is returned by ofparsephandle, with the refcount incremented. We should use ofnodeput on it after the function is completed...

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

In the Linux kernel, the following vulnerability has been resolved: tls: Separating the handling of no-async decryption requests from async. If we are not using async, the handling is much simpler. There is no reference counting; we simply need to wait for the completion to wake us up and return...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: nilfs2: Avoid having an active sctimer before freeing the sci. Since the kthreadstop function did not properly stop the sctask, and returned -EINTR, the sctimer was not properly shut down. This ultimately led to the issue reporte...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Data related to command failures should only be collected for known commands. DEVX can issue a general command, which is not used by the mlx5 driver. If such a command fails, mlx5 attempts to collect the failure data...