Paper Werewolf Deploys PowerModul Implant in Targeted Cyberattacks on Russian Sectors

The threat actor known as Paper Werewolf has been observed exclusively targeting Russian entities with a new implant called PowerModul. The activity, which took place between July and December 2024, singled out organizations in the mass media, telecommunications, construction, government entities...

CVE-2025-21874

In the Linux kernel, the following vulnerability has been resolved: dm-integrity: Avoid divide by zero in table status in Inline mode In Inline mode, the journal is unused, and journalsectors is zero. Calculating the journal watermark requires dividing by journalsectors, which should be done only...

SUSE CVE-2025-21874

In the Linux kernel, the following vulnerability has been resolved: dm-integrity: Avoid divide by zero in table status in Inline mode In Inline mode, the journal is unused, and journalsectors is zero. Calculating the journal watermark requires dividing by journalsectors, which should be done only...

CVE-2025-21874

CVE-2025-21874 is a Linux kernel vulnerability in dm-integrity, where in Inline mode the journal is unused and journal_sectors can be zero. Calculating the journal watermark divides by journal_sectors, which can trigger an OOPS during a simple dmsetup table query. The issue was observed on some s...

CVE-2025-21874 dm-integrity: Avoid divide by zero in table status in Inline mode

In the Linux kernel, the following vulnerability has been resolved: dm-integrity: Avoid divide by zero in table status in Inline mode In Inline mode, the journal is unused, and journalsectors is zero. Calculating the journal watermark requires dividing by journalsectors, which should be done only...

Silk Typhoon targeting IT supply chain

Executive summary: Microsoft Threat Intelligence identified a shift in tactics by Silk Typhoon, a Chinese espionage group, now targeting common IT solutions like remote management tools and cloud applications to gain initial access. While they haven't been observed directly targeting Microsoft...

SUSE CVE-2022-49553

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: validate BOOT sectorsperclusters When the NTFS BOOT sectorsperclusters field is 0x80, it represents a shift value. Make sure that the shift value is not too large before using it NTFS max cluster size is 2MB. Return...

DEBIAN-CVE-2022-49553

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: validate BOOT sectorsperclusters When the NTFS BOOT sectorsperclusters field is 0x80, it represents a shift value. Make sure that the shift value is not too large before using it NTFS max cluster size is 2MB. Return...

UBUNTU-CVE-2022-49553

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: validate BOOT sectorsperclusters When the NTFS BOOT sectorsperclusters field is 0x80, it represents a shift value. Make sure that the shift value is not too large before using it NTFS max cluster size is 2MB. Return...

CVE-2022-49553 fs/ntfs3: validate BOOT sectors_per_clusters

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: validate BOOT sectorsperclusters When the NTFS BOOT sectorsperclusters field is 0x80, it represents a shift value. Make sure that the shift value is not too large before using it NTFS max cluster size is 2MB. Return...

UBUNTU-CVE-2025-0689

When reading data from disk, the grub's UDF filesystem module utilizes the user controlled data length metadata to allocate its internal buffers. In certain scenarios, while iterating through disk sectors, it assumes the read size from the disk is always smaller than the allocated buffer size whi...

Microsoft Uncovers Sandworm Subgroup's Global Cyber Attacks Spanning 15+ Countries

A subgroup within the infamous Russian state-sponsored hacking group known as Sandworm has been attributed to a multi-year initial access operation dubbed BadPilot that stretched across the globe. "This subgroup has conducted globally diverse compromises of Internet-facing infrastructure to enabl...

MintsLoader Delivers StealC Malware and BOINC in Targeted Cyber Attacks

Threat hunters have detailed an ongoing campaign that leverages a malware loader called MintsLoader to distribute secondary payloads such as the StealC information stealer and a legitimate open-source network computing platform called BOINC. "MintsLoader is a PowerShell based malware loader that...

CISA Releases the Cybersecurity Performance Goals Adoption Report

Today, CISA released the Cybersecurity Performance Goals Adoption Report to highlight how adoption of Cybersecurity Performance Goals CPGs benefits our nation’s critical infrastructure sectors. Originally released in October 2022, CISA’s CPGs are voluntary practices that critical infrastructure...

PT-2025-37329

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The blk stack limits function in the Linux kernel contained a potential integer overflow when checking the chunk sectors value. The function checks if the chunk sectors value, calculat...

Earth Koshchei Coopts Red Team Tools in Complex RDP Attacks

APT group Earth Koshchei, suspected to be sponsored by the SVR, executed a large-scale rogue RDP campaign using spear-phishing emails, red team tools, and sophisticated anonymization techniques to target high-profile sectors...

New 'Helldown' Ransomware Variant Expands Attacks to VMware and Linux Systems

Cybersecurity researchers have shed light on a Linux variant of a relatively new ransomware strain called Helldown, suggesting that the threat actors are broadening their attack focus. "Helldown deploys Windows ransomware derived from the LockBit 3.0 code," Sekoia said in a report shared with The...

Exploit for Insufficient Verification of Data Authenticity in Rarlab Winrar

Description Name : CVE-2023-38831 CVSS Score : 7.8...

Earth Simnavaz (aka APT34) Levies Advanced Cyberattacks Against UAE and Gulf Regions

Trend Micro's investigation into the recent activity of Earth Simnavaz provides new insights into the APT group’s evolving tactics and the immediate threat it poses to critical sectors in the UAE...

Earth Simnavaz (aka APT34) Levies Advanced Cyberattacks Against Middle East

Trend Micro's investigation into the recent activity of Earth Simnavaz provides new insights into the APT group’s evolving tactics and the immediate threat it poses to sectors in the Middle East...