Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Tracing: A silence warning is issued when chunk allocation fails in tracepidwrite. Syzkaller triggers a fault injection warning: WARNING: CPU: 1 PID: 12326 at tracepointaddfunc+0xbfc/0xeb0 Modules linked in: CPU: 1 UID: 0 PID:...

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

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uaudio: do not allow userspace to block driver unbind In the unbind callback for fuac1 and fuac2, a call to sndcardfree via gaudiocleanup will disconnect the card and then wait for all resources to be released, which...

Astra Linux – Vulnerability in Vim

Vim is an open-source, command-line text editor. Prior to version 9.2.0435, there was a vulnerability related to OS command injection in Vim’s :find command-line completion mechanism. When the path option contained shell commands enclosed in backticks, those commands would be executed during file...

Astra Linux – Vulnerability in Vim

Vim is an open-source, command-line text editor. Prior to version 9.1.1552, a path traversal issue in Vim’s tar.vim plugin could allow overwriting of arbitrary files when opening specially crafted tar archives. The impact is limited because this exploit requires direct user interaction. However,...

Astra Linux – Vulnerability in Apache2

In some modssl configurations of the Apache HTTP Server, from versions up to 2.4.63, an HTTP desynchronization attack allows a man-in-the-middle attacker to hijack an HTTP session through a TLS upgrade. Only configurations that use “SSLEngine optional” to enable TLS upgrades are affected. Users a...

Astra Linux – Vulnerability in sudo

Before version 1.9.17p1, when the sudo command was used together with a sudoers file that specified a host that was neither the current host nor ALL, it allowed listed users to execute commands on unintended machines...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: WireGuard: socket: freeskb in send6 when IPv6 is disabled. I received a report of a memory leak: Unreferenced object: 0xffff8881191fc040 size 232 Command: kworker/u17:0, PID: 23193, Jiffies: 4295238848 age: 3464.870 seconds Hex...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: watchqueue: Actually free the watch object. The freewatch function does everything except actually freeing the watch object. This issue is fixed by adding the missing kfree call. KMEMLEAK generates a report similar to the...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: i40e: Fixed the call trace in setuptxdescriptors. After a PF reset and the use of ethtool -t, there was a call trace in dmesg. Sometimes this led to a panic. After some time, approximately 5 seconds, between a reset and a test...

Astra Linux – Vulnerability in Linux 5.10, Linux

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 – Vulnerability in OpenSSH

A vulnerability was discovered in OpenSSH when the VerifyHostKeyDNS option is enabled. A man-in-the-middle attack can be carried out by a malicious machine pretending to be a legitimate server. This issue arises due to the way OpenSSH handles error codes under certain conditions during the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs: The code checks contexts-nr before accessing contextsarr0. Multiple sysfs command paths dereference contextsarr0 without first verifying that kdamond-contexts-nr == 1. A user can set nrcontexts to 0 via sysfs whil...

Astra Linux – Vulnerability in imagemagick

A vulnerability was discovered in ImageMagick-7.0.11-5, where executing a specially crafted file using the “convert” command allows ASAN to detect memory leaks...

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

In the Linux kernel, the following vulnerability has been resolved: nvmet: A possible leak has been fixed when destroying a ctrl during qp establishment. In nvmetsqdestroy, we capture sq-ctrl early. If it is not NULL, we know that a ctrl was allocated during the admin connect request handling. We...

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

In the Linux kernel, the following vulnerabilities have been resolved: bpf: Fixed the memory leak in bpfskselectreuseport As pointed out in the original comment, a lookup in sockmap can return a TCP ESTABLISHED socket. Such a TCP socket may have had SOATTACHREUSEPORTEBPF set before it became...

Astra Linux – Vulnerability in Golang-1.23

The “go bug” command writes to two files with predictable names in the system’s temporary directory for example, "/tmp". An attacker who has access to the temporary directory can create a symbolic link in one of these files, causing “go bug” to overwrite the target of the symbolic link...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: soc: imx8m: The SoC driver needs to be probed as a platform driver. With driverasyncprobe= in the kernel command line, the following trace was produced because on the i.MX8M Plus hardware, the soc-imx8m.c driver calls clkgetbynam...

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

In the Linux kernel, the following vulnerability has been resolved: dm flakey: fixed an crash caused by an invalid table line. This command will cause a crash when using a NULL pointer dereference: dmsetup create flakey --table "0 blockdev --getsize /dev/ram0 flakey /dev/ram0 0 0 1 2 corruptbioby...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Media: dvb-usb: fixed a memory leak in dvbusbadapterinit Syzbot reported a memory leak in “dvbusbadapterinit.” The leak occurs because the current iteration’s adapter-priv is not freed in case of an error. Currently, if an error...

Astra Linux - Vulnerability in Golang-1.19

The go command may execute arbitrary code during compilation when using cgo. This can occur when running “go get” on a malicious module, or when running any other command that compiles unauthorized code. This issue can be triggered by linker flags, specified via the cgo LDFLAGS directive. The...