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 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...

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 5.15

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...

Astra Linux – Vulnerability in Linux 5.15

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...

CVE-2025-59320

CPSD CryptoPro Secure Disk for Bitlocker before v7.7.4 stores TPM2.0 secrets in a serialized format within unused disk sectors. An unauthenticated attacker with physical access to the system disk can recover this information and craft an environment to unseal the TPM...

PT-2026-71068

CPSD CryptoPro Secure Disk for Bitlocker before v7.7.4 stores TPM2.0 secrets in a serialized format within unused disk sectors. An unauthenticated attacker with physical access to the system disk can recover this information and craft an environment to unseal the TPM...

CVE-2025-59320

CPSD CryptoPro Secure Disk for Bitlocker before v7.7.4 stores TPM2.0 secrets in a serialized format within unused disk sectors. An unauthenticated attacker with physical access to the system disk can recover this information and craft an environment to unseal the TPM...

EUVD-2025-210715

CPSD CryptoPro Secure Disk for Bitlocker before v7.7.4 stores TPM2.0 secrets in a serialized format within unused disk sectors. An unauthenticated attacker with physical access to the system disk can recover this information and craft an environment to unseal the TPM...

Beyond Resilience: Antifragility in Critical Infrastructure Cybersecurity

Critical infrastructure cybersecurity increasingly requires frameworks that move beyond recovery toward bounded improvement under disruption, yet empirically grounded theories for operational technology remain limited. This paper develops a Theory of Antifragility AFT for critical infrastructure ...

Hackers Use Fake Microsoft Entra Passkey Enrollment to Gain Microsoft 365 Access

A threat actor has been targeting organizations spanning multiple sectors with voice-based fake security requests that prompt Microsoft 365 users to enroll a new Entra passkey with an aim to carry out data extortion attacks. The threat actor, tracked by Okta under the moniker O-UNC-066 , has...

Iran-Linked Hackers Use New Cavern C2 Framework to Target Israeli Organizations

An Iranian hacking group affiliated with Iran's Ministry of Intelligence and Security MOIS has been wielding a previously undocumented modular command-and-control C2 framework dubbed Cavern aka Cav3rn targeting Israeli organizations. The activity, which has primarily singled out IT providers and...

CVE-2026-46105

In the Linux kernel, the following vulnerability has been resolved: scsi: mpt3sas: Limit NVMe request size to 2 MiB The HBA firmware reports NVMe MDTS values based on the underlying drive capability. However, because the driver allocates a fixed 4K buffer for the PRP list, accommodating at most 5...

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...

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...