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

In the Linux kernel, the following vulnerability has been resolved: ext4: checks dot and dotdot of dxroot before making dir indexed Syzbot reports the following issue: ============================================ BUG: Unable to handle page fault for address: ffffed11022e24fe PGD 23ffee067 P4D...

Astra Linux – Vulnerability in exim4

Exim 4 before 4.94.2 has an improper neutralization of line delimiters. Local users can alter the behavior of root processes because a recipient address may contain a newline character...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Wifi: rtw88 – Check whether a PCI upstream bridge exists. The pciupstreambridge function returns NULL if the device is on a root bus. If 8821CE is installed in the system with such a PCI topology, the probing routine will crash...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

A issue was discovered in lib/kobject.c in the Linux kernel before version 6.2.3. With root access, an attacker can trigger a race condition that results in an out-of-bounds write of the fillkobjpath variable...

Astra Linux – Vulnerability in firejail

A privilege context switching issue was discovered in the join.c file of Firejail 0.9.68. By creating a fake Firejail container that is accepted by the Firejail setuid-root program as a join target, a local attacker can enter an environment where the Linux user namespace remains the initial user...

Astra Linux – Vulnerability in ntfs-3g

A buffer overflow was discovered in NTFS-3G before October 3, 2022. Metadata created within an NTFS image can lead to code execution. A local attacker can exploit this vulnerability if the ntfs-3g binary has the setuid root privilege. An attacker who is physically nearby can also exploit this...

Astra Linux – Vulnerability in Systemd

In udev under systemd, before version 260, local root execution could occur through malicious hardware devices and unsanitized kernel output...

Astra Linux – Vulnerability in Tomcat9

Authentication Bypass Using an Alternate Path or Channel vulnerability in Apache Tomcat. When using PreResources or PostResources mounted elsewhere beyond the root of the web application, it was possible to access those resources via an unexpected path. That path was likely not protected by the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: kernfs: A use-after-free issue has been fixed in kernfsremove. Syzkaller managed to trigger concurrent calls to kernfsremovebynamens for the same file, resulting in a KASAN detected use-after-free. This race condition occurs...

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

In the Linux kernel, the following vulnerability has been resolved: btrfs: Fixed a race condition when deleting the quota root from the “dirtycowonlyroots” list. When disabling quotas, we delete the quota root from the fsinfo-dirtycowonlyroots list without locking it, which requires the protectio...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: cifs: A use-after-free bug has been fixed in refreshcacheworker. The UAF bug occurred because we were putting DFS root sessions into cifsumount while the DFS cache refresher was executing. We have ensured that DFS root session...

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

In the Linux kernel, the following vulnerability has been resolved: fbdev: pxafb: Fixed possible use after free in pxafbtask. In the pxafbprobe function, it calls the pxafbinitfbinfo function. After that, &fbi-task is associated with pxafbtask. Moreover, within this pxafbinitfbinfo function, the...

Astra Linux – Vulnerability in xwayland, xorg-server

A use-after-free flaw was discovered in X.Org and Xwayland. The root cursor is referenced in the X server as a global variable. If a client releases the root cursor, the internal references point to freed memory, resulting in a use-after-free...

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: usb: typec: ucsi: ccg: rejecting firmware images without a ‘:’ record header The doflash function searches for the first .cyacd record using the following code: c p = strnchrfw-data, fw-size, ‘:’; while p eof s = strnchrp + 1, eo...

Astra Linux – Vulnerability in cups

OpenPrinting CUPS is an open-source printing system for Linux and other Unix-like operating systems. In versions 2.4.8 and earlier, when starting the cupsd server with a Listen configuration item pointing to a symbolic link, the cupsd process could perform arbitrary chmod operations on the target...

Astra Linux – Vulnerability in xrdp

XRDPT is an open-source remote desktop protocol RDP server. In affected versions, an integer underflow leading to a heap overflow in the SESMAN server allows any unauthenticated attacker who can access the SESMAN server locally to execute code as root. This vulnerability has been patched in versi...

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: ibmasm: Fixed an issue where the heap was overread in the ibmasmsendi2omessage function. The ibmasmsendi2omessage function uses getdotcommandsize to calculate the byte count for memcpytoio, but this value is derived from...

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

In the Linux kernel, the following vulnerability has been resolved: nilfs2: A use-after-free bug in nilfsroot has been fixed in nilfsevictinode. During the unmount process of nilfs2, nothing holds the nilfsroot structure after nilfs2 detaches its writer in nilfsdetachlogwriter. However, since...

Astra Linux – Vulnerability in exim4

Exim 4 before 4.94.2 allows Heap-based Buffer Overflows because it mishandles the "-F’.‘” syntax on the command line. This may allow privilege escalation from any user to root. This issue occurs due to the incorrect interpretation of negative sizes in the strncpy function...

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

In the Linux kernel, the following vulnerability has been resolved: exfat: A memory leak has been fixed in exfatloadbitmap. If the first directory entry in the root directory is not a bitmap directory entry, the variable ‘bh’ will not be released and reassigned, which will cause a memory leak...