Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: can: mcan: mcantxhandler: fixed the issue where skb was freed after it had been used. The canPUTechoskb function clones a skb and then frees it. This function should be moved directly before the start of the xmit in hardware for...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: scsi: libfc: Fixed the use of variables after they are freed in fcexchabtsresp. The function fcexchreleaseep decreases the reference count of ep. When the reference count reaches zero, ep is freed. However, ep is still used in th...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: RDMA/cma: Do not change route.addr.srcaddr outside of state checks. If the state is not idle, resolvepreparesrc should immediately fail, and no changes to the global state should occur. However, it srcaddr by attempting to create...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: blk-mq: Do not modify -tagset in blkmqgetsqhctx. The function blkmqrunhwqueues may be called when there are no requests queued, and after the queue is cleaned up, -tagset is freed. This is because the lifetime of -tagset is manag...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: tpm: fixed reference counting for struct tpmchip The following sequence of operations results in a refcount warning: 1. Open the device /dev/tpmrm. 2. Remove the module tpmtisspi. 3. Write a TPM command to the file descriptor...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Fixed races between concurrent preallocation of proc writes. We currently have no protection against concurrent changes to PCM buffer preallocations via proc files. This could potentially lead to UAF or other strange...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: bfq: Avoid merging queues with different parents It can happen that the parent of a bfqq changes between the moment we decide that two queues are worth merging and set bic-stablemergebfqq and the moment bfqsetupmerge is called...

Astra Linux – Vulnerability in Linux 5.15

A issue was discovered in ksmbd within the Linux kernel versions 5.15 through 5.19, prior to 5.19.2. The file fs/ksmbd/smb2pdu.c contains a use-after-free condition and an OOPS error related to SMB2TREEDISCONNECT...

Astra Linux – Vulnerability in Chromium

The use of “after free” in Mojo IPC in Google Chrome before version 108.0.5359.124 allowed a remote attacker to potentially exploit heap corruption through a crafted HTML page. Chromium security severity: High...

Astra Linux – Vulnerability in Thunderbird, Firefox

Cross-compartment wrappers used to wrap a scripted proxy might have caused objects from other compartments to be stored in the main compartment, resulting in a “use-after-free” error after unwrapping the proxy. This vulnerability affects Firefox 110, Thunderbird 102.8, and Firefox ESR 102.8...

Astra Linux – Vulnerability in Chromium

Before version 107.0.5304.62, using free after extensions in Google Chrome allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption through a crafted Chrome Extension. Chromium security severity: Medium...

Astra Linux – Vulnerability in Firefox and Thunderbird

Freeing arbitrary nsIInputStream's on a thread other than the one in which they were created could lead to a use-after-free, potentially causing a crash. This vulnerability affects Firefox ESR 102.5, Thunderbird 102.5, and Firefox 107...

Astra Linux – Vulnerability in libde265

A issue was discovered in libde265 v1.0.8. There is a heap-use-after-free issue in intrapred.h when decoding files using dec265...

Astra Linux – Vulnerability in Vim

Use After Free in the GitHub repository vim/vim before version 9.0.0389...

Astra Linux – Vulnerability in Vim

Use After Free in the GitHub repository vim/vim before version 9.0.0260...

Astra Linux – Vulnerability in Linux 5.15

A use-after-free flaw was discovered in the Linux kernel. When a disk is removed, the bdiunregister function is called to stop further write-back operations, and the system waits for the associated delayed tasks to complete. However, the wb inodewritebackend function may schedule bandwidth...

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: mlxsw: spectrumacltcam: Fixed a possible use-after-free during rehash. The rehash process delays the migration of filters from one region to another based on the number of available credits. If the number of credits is...

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: mlxsw: spectrumacltcam: Fixed a possible use-after-free during activity updates. The “rule activity update” process periodically traverses a list of configured rules and queries their activity from the device. As part of this...

Astra Linux – Vulnerability in ffmpeg

In FFmpeg versions prior to 5.1.2, the libavcodec/pthreadframe.c file, used in VLC and other products, leaves stale hwaccel state in worker threads. This allows attackers to trigger a use-after-free and execute arbitrary code under certain circumstances e.g., during hardware reinitialization upon...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: Fixed a use-after-free after failing to create a snapshot. In ioctl.c’s createsnapshot function, we allocate a pending snapshot structure and then attach it to the transaction’s list of pending snapshots. After that, we ca...