Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: kernel/printk/index.c: fixed the memory leak that occurred when using debugfslookup. When calling debugfslookup, the result must be passed to dput, otherwise a memory leak will occur over time. To simplify things, simply 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: crypto: atmel-sha204a – fixed blocking and non-blocking rng logic The blocking and non-blocking paths failed to provide valid entropy due to improper buffer management. Reading the buffer starting from byte 1 only fetched 32 byte...

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: fbdev: fbcon: A out-of-bounds read occurred in the errout section of fbcondosetfont. When fbcondosetfont fails e.g., due to a memory allocation failure within vcresize under heavy memory pressure, it jumps to the errout label to...

Astra Linux – Vulnerability in Linux 5.10

The checkaluop function in kernel/bpf/verifier.c in the Linux kernel, as of v5.16-rc5, did not properly update the bounds when handling the mov32 instruction. This issue allows local users to obtain potentially sensitive address information, also known as a “pointer leak.”...

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: net/rds: Handle the cleanup after a zerocopy send occurs, before the message is queued. A zerocopy send can fail after user pages have been pinned, but before the message is attached to the sending socket. The purge path currentl...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ASoC: codecs: wcd934x: Properly handles channel mapping lists. Currently, each channel is added as a list to the dai channel list. However, there is a risk of adding the same channel to multiple dai channel lists, which could lea...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: sched: flower: Protect flwalk with rcu. The patch that refactored flwalk to use idrforeachentrycontinueul also removed the rcu protection for individual filters. This caused a use-after-free when the filter was deleted...

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

In the Linux kernel, the following vulnerabilities have been resolved: net: nfc: Fixed races in nfcllcpsockget and nfcllcpsockgetsn. Sili Luo reported a race condition in nfcllcpsockget, which led to a Use-After-Value exception. The process of acquiring a reference to the socket found during a...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: phonet/pep: fixed the use of racyskbqueueempty The receive queues are protected by their respective spin-locks, not the socket lock. This could lead to skbpeek returning NULL or a pointer to a socket buffer that has already been...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: staticcall: Properly handle module initialization failures in staticcalldelmodule. Module insertion invokes staticcalladdmodule to initialize the static calls within a module. staticcalladdmodule calls staticcallinit, which...

Astra Linux – Vulnerability in Linux

A issue was discovered in the Linux kernel before 5.11.3 when a webcam device is present. The videousercopy function in drivers/media/v4l2-core/v4l2-ioctl.c has a memory leak for large arguments, identified as CID-fb18802a338b...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel before version 5.16.3, the driver/bluetooth/hciqca.c file misinterprets the return value of devmgpiodgetindexoptional. It expects the return value to be NULL in the error case, but in reality, it is an error pointer...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: Thermal: Fix NULL pointer dereferencing in ofthermal functions. The function ofparsethermalzones parses the thermal-zone node and registers a thermalzone device for each subnode. However, if a thermal zone consumes a thermal...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/i915: fixed a race condition UAF in i915perfaddconfigioctl. Userspace may attempt to race the creation of the oaconfig object with config remove, resulting in a use-after-free if we dereference the object after unlocking the...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm/v3d: Set DMA segment size to avoid debug warnings When using V3D rendering with CONFIGDMAAPIDEBUG enabled, the kernel occasionally reports a segment size mismatch. This is because ‘maxsegsize’ is not set. The kernel defaul...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: PM: domains: fixed a memory leak caused by using debugfslookup. When calling debugfslookup, the result must have had dput called upon it; otherwise, memory will leak over time. To simplify things, simply call...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: PM: hibernate: deferring device probing when resuming from hibernation syzbot is reporting a hung task at miscopen, due to a race condition involving the probecount variable. Currently, waitfordeviceprobe from snapshotopen and...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: - BPF: The rcureadlockTraceheld function in bpfmaplookuppercpuelem needs to be checked. The bpfmaplookuppercpuelem helper function is also available for sleepable BPF programs. When BPF JIT is disabled or on a 32-bit host,...

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

In the Linux kernel, the following vulnerability has been resolved: Wifi: iwl4965 – Added a check for the return value of the createsinglethreadworkqueue function. The check is added to prevent NULL pointer dereferencing...

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: dmearlycreate: Fixed the issue where freeing the used table during a dmresume failure occurred. If dmresume fails, the kernel attempts to free the table using dmtabledestroy. However, the table was already instantiated with...