Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net: macb: fixed a memory corruption in extended buffer descriptor mode For quite some time, we were dealing with a bug that seemed to cause sudden and permanent failures in networking and MMCA on some of our devices. This bug...

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

A issue was discovered in the Linux kernel before version 6.3.3. There is an out-of-bounds read in the crc16 function in lib/crc16.c when called from fs/ext4/super.c, because ext4groupdesccsum does not properly check an offset. NOTE: This issue is disputed by third parties, as the kernel is not...

Astra Linux – Vulnerability in binutils

A issue was discovered in the Binary File Descriptor BFD library also known as libbfd, as distributed in the GNU Binutils through version 2.31. There is a heap-based buffer overflow in the bfdelf32swapphdrin function in elfcode.h, because the number of program headers is not restricted...

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: ALSA: usb-audio: Fixed out-of-bounds reads when finding clock sources The current USB-audio driver code does not check the bLength value of each descriptor during traversal. This means that when a device provides a bogus descript...

Astra Linux – Vulnerability in Qemu

In QEMU 5.0.0, the hw/usb/hcd-ohci.c file contains an infinite loop when a TD list has a loop...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Wifi: ath12k – Fixed a memory leak in rxdesc and txdesc. Currently, when the ath12kdpccdescinit function is called, memory is allocated for rxdescs and txdescs. However, during the ath12kdpcccleanup function, the memory for rxdes...

Astra Linux – Vulnerability in OpenCV

A issue was discovered in OpenCV 4.1.0. There is a divide-by-zero error in cv::HOGDescriptor::getDescriptorSize in the modules/objdetect/src/hog.cpp module...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Fuse: Abort on fatal signal during sync init When sync init is used and the server exits for some reason e.g., error, crash, the filesystem creation will hang during the processing of FUSEINIT. The reason for this issue is that...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

A flaw was discovered in vringhkiovadvance in drivers/vhost/vringh.c, located in the host side of a virtio ring within the Linux Kernel. This issue may lead to a denial of service from the guest to the host through zero-length descriptors...

Astra Linux – Vulnerability in binutils

A issue was discovered in the Binary File Descriptor BFD library also known as libbfd, as distributed in GNU Binutils 2.32. There is a heap-based buffer over-read in bfddoprnt in bfd.c, due to elfobjectp in elfcode.h mishandling an eshstrndx section of type SHTGROUP by omitting a trailing \0...

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

In the Linux kernel, the following vulnerabilities have been resolved: USB: core: Fixed a race condition by not overwriting udev-descriptor in hubportinit. Syzbot reported an out-of-bounds read in sysfs.c:readdescriptors: BUG: KASAN: Out-of-bounds reading in readdescriptors+0x263/0x280,...

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

In the Linux kernel, the following vulnerability has been resolved: USB: Hub – Protection against access to uninitialized BOS descriptors Many functions in drivers/usb/core/hub.c and drivers/usb/core/hub.h access fields within udev-bos without checking whether they have been allocated and...

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

In the Linux kernel, the following vulnerability has been resolved: drm/amd/pm: Fixed the issue of reading from a negative array index. Avoid using negative values for clkidex as an index into the array pptable-DpmDescriptor. V2: Fixed the return check for clkindex by Tim Huang...

Exploit for CVE-2026-46333

ptracemaydream CVE-2026-46333 Local privilege escalation e...

FreeBSD Security Advisory - FreeBSD-SA-26:22.libcasper

FreeBSD Security Advisory - libcasper3 communicates with helper processes via UNIX domain sockets, and uses the select2 system call to wait for data to become available. However, it does not verify that its socket descriptor fits within select2's descriptor set size limit of FDSETSIZE 1024...

FreeBSD Security Advisory - FreeBSD-SA-26:19.file

FreeBSD Security Advisory - A file descriptor can be closed while a thread is blocked in a poll2 or select2 call waiting for that descriptor. Because the blocked thread does not hold a reference to the underlying object, this closure may result in the object being freed while the thread remains...

FreeBSD -- select(2) file descriptor set overflow causes stack overflow

Problem Description: libcasper3 communicates with helper processes via UNIX domain sockets, and uses the select2 system call to wait for data to become available. However, it does not verify that its socket descriptor fits within select2's descriptor set size limit of FDSETSIZE 1024. Impact: An...

FreeBSD -- Kernel use-after-free via file descriptor syscalls

Problem Description: A file descriptor can be closed while a thread is blocked in a poll2 or select2 call waiting for that descriptor. Because the blocked thread does not hold a reference to the underlying object, this closure may result in the object being freed while the thread remains blocked...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-021592)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021592 advisory. In the Linux kernel, the following vulnerability has been resolved: nvme-pci: fix freeing of the HMB descriptor table The HMB descriptor table is sized to the maximu...

FreeBSD-SA-26:19.file

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-26:19.file Security Advisory The FreeBSD Project Topic: Kernel use-after-free via file descriptor syscalls Category: core Module: file Announced: 2026-05-20...