Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: cgroup: The cgroupgetfromid function must check that the looked-up key is a directory. The cgroup object must be a kernfs directory; otherwise, a kernel panic will occur, especially when the cgroup ID is provided from the user...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: can: mcbausb: properly checking the endpoint type Syzbot reported a warning in usbsubmiturb, which is caused by an incorrect endpoint type. We should check that the endpoint actually exists to prevent this warning. Pipes found ar...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: f2fs: A sanity check was performed on curseg-alloctype. As Wenqing Liu reported in Bugzilla: https://bugzilla.kernel.org/showbug.cgi?id=215657 - Overview In the UBSAN library, there was an issue where out-of-bounds access occurre...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/i915/gem: added a missing boundary check in vmaccess A missing bounds check in vmaccess can lead to an out-of-bounds read or write in the adjacent memory area. This occurs because the len attribute is not validated before the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: f2fs: fixed to perform sanity checks on inline inode. Yanming reported a kernel bug on Bugzilla Kernel 1, which can be reproduced. The bug message is as follows: The kernel message is displayed as follows: Kernel BUG at...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: f2fs: A fix was made to avoid the use of f2fsbugon in decvalidnodecount. As reported by Yanming in Bugzilla: https://bugzilla.kernel.org/showbug.cgi?id=215897 I have encountered a bug in the F2FS file system in the kernel version...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

A NULL pointer dereference flaw was discovered in dbFree in the fs/jfs/jfsdmap.c file of the Journaling File System JFS within the Linux kernel. This issue may allow a local attacker to cause the system to crash due to a missing sanity check...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Create the debugfs ttmresourcemanager entry only if needed The driver creates /sys/kernel/debug/dri/0/mobttm even when the corresponding ttmresourcemanager is not allocated. This leads to a crash when trying to read...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: phy: micrel: Fixed potential null pointer dereferencing. In functions lan8814getsigrx and lan8814getsigtx, ptpparseheader may return NULL due to abnormal packet types or corrupted packets. This bug has been fixed by adding a...

Astra Linux – Vulnerability in Ruby-Rack

A security vulnerability exists in versions of Rack 2.2.3 and Rack 2.1.4, where reliance on cookies without validation/integrity checks allows an attacker to forge a secure or host-only cookie prefix...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Regulator: da9211 – Use the irq handler when ready. If the system does not start from a reset state such as when it is in kexec mode, the regulator might have an IRQ waiting for processing. If we enable the IRQ handler before its...

Astra Linux – Vulnerability in Linux 5.10

There is a vulnerability related to time-of-check to time-of-use issues in the iouringsubsystem’s IORINGOPCLOSE operation in the Linux kernel versions 5.6 to 5.11 inclusive. This vulnerability allows a local user to elevate their privileges to root. Introduced in the version...

Astra Linux – Vulnerability in Shadow

Shadow: TOCTOU time-of-check time-of-use race condition when copying and removing directory trees...

Astra Linux – Vulnerability in Linux 5.15

A NULL pointer dereference flaw was discovered in the Linux kernel’s drivers/gpu/drm/msm/msmgemsubmit.c code, specifically in the submitlookupcmds function. This flaw occurs because there is no check on the return value of kmalloc. This issue allows a local user to crash the system...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: xsk: Added a missing overflow check in xdpumemreg. The number of chunks can exceed the range of u32. Ensure that -EINVAL is returned in case of an overflow. Additionally, removed a redundant u32 cast when assigning umem-npgs...

Astra Linux – Vulnerability in poppler-22, poppler

A issue was discovered in Poppler 22.07.0. There exists a reachable abort that leads to a denial of service, due to the main function in pdfunite.cc lacking a stream check before saving an embedded file...

Astra Linux – Vulnerability in Samba

A flaw was discovered in Samba. An incomplete access check on dnsHostName allows authenticated, but otherwise unprivileged users to delete this attribute from any object in the directory...

Astra Linux – Vulnerability in Linux 5.15

A out-of-bounds memory read flaw was discovered in the parseleasestate function within the KSMBD implementation of the in-kernel Samba server and CIFS in the Linux kernel. When an attacker sends the CREATE command along with a malformed payload to KSMBD, due to a lack of checks on the NameOffset...

Astra Linux – Vulnerability in ofono

A flaw was discovered in ofono, an open-source telephony software for Linux. A stack overflow bug occurs within the decodedeliver function during SMS decoding. It is assumed that the attack scenario can be executed from a compromised modem, a malicious base station, or simply through SMS. There i...

Astra Linux – Vulnerability in ofono

A flaw was discovered in ofono, an open-source telephony software for Linux. A stack overflow bug was triggered within the decodesubmitreport function during SMS decoding. It is assumed that the attack scenario can be executed from a compromised modem, a malicious base station, or simply through...