MuddyWater Uses DLL Side-Loading in Espionage Campaign Targeting 9 Countries

The Iranian hacking group known as MuddyWater has been linked to a new campaign affecting at least nine organizations across nine countries on four continents in the first quarter of 2026. The activity targeted industrial and electronics manufacturing, education and public-sector bodies, financia...

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: USB: usb-storage: A bug that causes a division-by-zero error in the isd200atacommand function has been fixed. The isd200 sub-driver in usb-storage uses the HEADS and SECTORS values in the ATA ID information to calculate the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: This issue prevents UBSAN errors occurring in truesectorsperclst. The syzbot reported the following UBSAN error: 76.901829 T6677 ================================================================================ 76.903908...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: validate BOOT sectorsperclusters When the NTFS BOOT sectorsperclusters field is greater than 0x80, it represents a shift value. Ensure that the shift value is not too large before using it the maximum cluster size for...

Kimsuky targets organizations with PebbleDash-based tools

Over the past few months, we have conducted an in-depth analysis of specific activity clusters of Kimsuky aka APT43, Ruby Sleet, Black Banshee, Sparkling Pisces, Velvet Chollima, and Springtail, a prolific Korean-speaking threat actor. Our research revealed notable tactical shifts throughout...

UBUNTU-CVE-2026-43365

In the Linux kernel, the following vulnerability has been resolved: xfs: fix undersized liclogroundoff values If the superblock doesn't list a log stripe unit, we set the incore log roundoff value to 512. This leads to corrupt logs and unmountable filesystems in generic/617 on a disk with 4k...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-007005)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007005 advisory. In the Linux kernel, the following vulnerability has been resolved: block: avoid possible overflow for chunksectors check in blkstacklimits In blkstacklimits, we che...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006804)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006804 advisory. In the Linux kernel, the following vulnerability has been resolved: block: avoid possible overflow for chunksectors check in blkstacklimits In blkstacklimits, we che...

CERT-UA Impersonation Campaign Spread AGEWHEEZE Malware to 1 Million Emails

The Computer Emergency Response Team of Ukraine CERT-UA has disclosed details of a new phishing campaign in which the cybersecurity agency itself was impersonated to distribute a remote administration tool known as AGEWHEEZE. As part of the attacks, the threat actors, tracked as UAC-0255 , sent...

China-Linked Hackers Hit Qatar with Backdoor Disguised as War News

China-linked hackers targeted Qatar using fake war news lures to spread PlugX backdoor malware and spy on military and energy sectors...

Siemens SIMATIC S7-1500 Uncontrolled Recursion (CVE-2025-39795)

In the Linux kernel, the following vulnerability has been resolved: block: avoid possible overflow for chunksectors check in blkstacklimits In blkstacklimits, we check that the t-chunksectors value is a multiple of the t-physicalblocksize value. However, by finding the chunksectors value in bytes...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: In blkstacklimits, we check that the t-chunksectors value is a multiple of the t-physicalblocksize value. However, by determining the chunksectors value in bytes, it is possible to overflow the unsigned int variable that stores...

MiracleLinux 4 : qemu-kvm-0.12.1.2-2.415.AXS4.14 (AXSA:2014-502:05)

The remote MiracleLinux 4 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2014-502:05 advisory. Description : KVM for Kernel-based Virtual Machine is a full virtualization solution for Linux on x86 hardware. Using KVM, one can run multiple virtu...

New CastleLoader Variant Linked to 469 Infections Across Critical Sectors

ANY.RUN report reveals how the new CastleLoader malware targets US government agencies using stealthy ClickFix tricks and memory-based attacks to bypass security...

CVE-2023-54180 btrfs: handle case when repair happens with dev-replace

In the Linux kernel, the following vulnerability has been resolved: btrfs: handle case when repair happens with dev-replace BUG There is a bug report that a BUGON in btrfsrepairiofailure originally repairiofailure in v6.0 kernel got triggered when replacing a unreliable disk: BTRFS warning device...

SUSE CVE-2022-50762

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Avoid UBSAN error on truesectorsperclst syzbot reported UBSAN error as below: 76.901829 T6677 ================================================================================ 76.903908 T6677 UBSAN: shift-out-of-bounds i...

CVE-2022-50762

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Avoid UBSAN error on truesectorsperclst syzbot reported UBSAN error as below: 76.901829 T6677 ================================================================================ 76.903908 T6677 UBSAN: shift-out-of-bounds i...

CVE-2022-50762

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Avoid UBSAN error on truesectorsperclst syzbot reported UBSAN error as below: 76.901829 T6677 ================================================================================ 76.903908 T6677 UBSAN: shift-out-of-bounds i...

CVE-2022-50762 fs/ntfs3: Avoid UBSAN error on true_sectors_per_clst()

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Avoid UBSAN error on truesectorsperclst syzbot reported UBSAN error as below: 76.901829 T6677 ================================================================================ 76.903908 T6677 UBSAN: shift-out-of-bounds i...

CVE-2022-50762 fs/ntfs3: Avoid UBSAN error on true_sectors_per_clst()

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Avoid UBSAN error on truesectorsperclst syzbot reported UBSAN error as below: 76.901829 T6677 ================================================================================ 76.903908 T6677 UBSAN: shift-out-of-bounds i...