Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: nfc: Fixed a use-after-free in localcleanup. A use-after-free occurs in kfreeskb called from localcleanup. This can occur when killing the nfc daemon e.g., neard after detaching an nfc device. When detaching an nfc device,...

Astra Linux – Vulnerability in Shadow

In Shadow 4.13, it is possible to inject control characters into fields provided to the SUID program chfn change finger. Although it is not possible to exploit this directly for example, adding a new user fails because \n is in the block list, it is possible to misrepresent the /etc/passwd file...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix tcpinittransfer so that icskcainitialized is not reset. This commit fixes a bug identified by syzkaller that could cause spurious double-initializations for congestion control modules. This could lead to memory leaks or...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ACPI: CPPC: Fixed NULL pointer dereferencing when nosmp is used When nosmp is used in the command line, other CPUs are not brought up, leaving their cpcdescptr NULL. CPU0’s iteration via foreachpossiblecpu dereferences these NULL...

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

In the Linux kernel, the following vulnerabilities have been resolved: SCTP: Initialization of additional fields in sctpv6fromsk was incorrect, leading to undefined behavior. SYZbot discovered that sin6scopeid was not properly initialized, causing undefined behavior. sin6scopeid and sin6flowinfo...

Astra Linux – Vulnerability in Chromium

Insufficient data validation in networking in Google Chrome prior to 87.0.4280.141 allowed a remote attacker to bypass discretionary access control via malicious network traffic...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: dm thin: Fixed a use-after-free crash in dmsmregisterthresholdcallback. Reports of faults injecting into the pool metadata device: - BUG: KASAN: Use-after-free in dmpoolregistermetadatathreshold+0x40/0x80. - Reading of size 8 ...

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: phy: tegra: xusb: Fixed unbalanced regulator disabling in UTMI PHY mode When transitioning from USBROLEDEVICE to USBROLENONE, the code assumed that the regulator should be disabled. However, if the regulator is marked as always-o...

Astra Linux – Vulnerability in Zabbix

During Zabbix installation from RPM, the DACOVERRIDE SELinux capability is used to access PID files in the /var/run/zabbix folder. In this case, processes of Zabbix Proxy or Server can bypass the file read, write, and execute permission checks at the file system level...

Astra Linux – Vulnerability in Chromium

Insufficient policy enforcement in the Password Manager in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to bypass discretionary access control through a crafted HTML page. Chromium security severity: Medium...

Astra Linux – Vulnerability in Node.js

A memory leak occurs in Node.js HTTP/2 servers when a client sends WINDOWUPDATE frames on stream 0 connection-level that cause the flow control window to exceed the maximum value of 2³¹-1. The server correctly sends a GOAWAY frame, but the Http2Session object is never cleaned up. This vulnerabili...

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

In the Linux kernel, the following vulnerability has been resolved: hwmon: axi-fan-control Fixed a possible NULL pointer dereferencing issue. axifancontrolirqhandler, which depends on the private axifancontroldata structure, might be called before the hwmon device is registered. This could lead t...

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: In atm: clip, a memory leak in the struct clipvcc structure was fixed. In ioctlATMARPMKIP, the struct clipvcc structure is allocated and set to vcc-userback. The code assumes that vccDestroySocket passes NULLskb to vcc-push when...

Astra Linux – Vulnerability in Samba

A flaw was discovered in the Samba AD LDAP server. The AD DC database audit logging module can access values of LDAP messages freed by a preceding database module, leading to a use-after-free issue. This issue only occurs when certain privileged attributes are modified, such as userAccountControl...

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

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsapi: Remove blockcb from driverlist before freeing it. The error handler of tcfblockBind frees the entire bo-cblist when an error occurs. However, by that time, instances of flowblockCB are already in the driverlist...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ksmbd: The reference count leak in smbcheckpermdacl has been fixed. The issue occurs in a specific part of smbcheckpermdacl. When “id” and “uid” have the same value, the function simply jumps out of the loop without decrementing...

Astra Linux – Vulnerability in Python 3.11, Python 3.7

The imaplib module, when a user-controlled command is passed to it, can have additional commands injected using newlines. Mitigation rejects commands that contain control characters...

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

In the Linux kernel, the following vulnerability has been resolved: media: imx: csc/scaler: fix v4l2ctrlhandler memory leak The memory allocated in v4l2ctrlhandlerinit is freed upon release...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: thermal/drivers/qcom/lmh: Check for SCM availability at probe. Until now, the necessary check for SCM availability had not been performed, which could lead to null pointer dereferences. This issue occurred with me in RB1. The...

Astra Linux – Vulnerability in Chromium

Inappropriate implementation in Cast in Google Chrome prior to 149.0.7827.53 allowed an attacker on the local network segment to bypass discretionary access control via malicious network traffic. Chromium security severity: Low...