FIN7, FIN8, and Others Use Ragnar Loader for Persistent Access and Ransomware Operations

Threat hunters have shed light on a "sophisticated and evolving malware toolkit" called Ragnar Loader that's used by various cybercrime and ransomware groups like Ragnar Locker aka Monstrous Mantis, FIN7, FIN8, and Ruthless Mantis ex-REvil. "Ragnar Loader plays a key role in keeping access to...

Linux Distros Unpatched Vulnerability : CVE-2024-26837

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: net: bridge: switchdev: Skip MDB replays of deferred events on offload Before this change,...

Linux Distros Unpatched Vulnerability : CVE-2024-35956

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - btrfs: qgroup: fix qgroup prealloc rsv leak in subvolume operations Create subvolume, create snapshot and delete subvolume all use btrfssubvolumereservemetadata...

Linux Distros Unpatched Vulnerability : CVE-2023-25173

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - containerd is an open source container runtime. A bug was found in containerd prior to versions 1.6.18 and 1.5.18 where supplementary groups are not set up...

GO-2025-3476 Cosmos SDK: Groups module can halt chain when handling a malicious proposal in github.com/cosmos/cosmos-sdk

Cosmos SDK: Groups module can halt chain when handling a malicious proposal in github.com/cosmos/cosmos-sdk...

The New Ransomware Groups Shaking Up 2025

In 2024, global ransomware attacks hit 5,414, an 11% increase from 2023. After a slow start, attacks spiked in Q2 and surged in Q4, with 1,827 incidents 33% of the year's total. Law enforcement actions against major groups like LockBit caused fragmentation, leading to more competition and a rise ...

SUSE CVE-2025-21813

In the Linux kernel, the following vulnerability has been resolved: timers/migration: Fix off-by-one root mis-connection Before attaching a new root to the old root, the children counter of the new root is checked to verify that only the upcoming CPU's top group have been connected to it. However...

Cosmos: Groups module can halt chain when handling a proposal with malicious group weights

The Cosmos SDK's groups module contained a vulnerability that could cause a chain to halt when handling a proposal with malicious group weights. The issue was triggered by a division operation that could fail due to the exponent of the resulting value being out of range, leading to a panic and...

DEBIAN-CVE-2025-21813

In the Linux kernel, the following vulnerability has been resolved: timers/migration: Fix off-by-one root mis-connection Before attaching a new root to the old root, the children counter of the new root is checked to verify that only the upcoming CPU's top group have been connected to it. However...

UBUNTU-CVE-2025-21813

In the Linux kernel, the following vulnerability has been resolved: timers/migration: Fix off-by-one root mis-connection Before attaching a new root to the old root, the children counter of the new root is checked to verify that only the upcoming CPU's top group have been connected to it. However...

SUSE CVE-2022-49174

In the Linux kernel, the following vulnerability has been resolved: ext4: fix ext4mbmarkbb with flexbg with fastcommit In case of flexbg feature which is by default enabled, extents for any given inode might span across blocks from two different block group. ext4mbmarkbb only reads the bufferhead...

SUSE CVE-2022-49197

In the Linux kernel, the following vulnerability has been resolved: afnetlink: Fix shift out of bounds in group mask calculation When a netlink message is received, netlinkrecvmsg fills in the address of the sender. One of the fields is the 32-bit bitfield nlgroups, which carries the multicast...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from not properly handling root connections, which could lead to multiple top-level groups...

DEBIAN-CVE-2022-49394

In the Linux kernel, the following vulnerability has been resolved: blk-iolatency: Fix inflight count imbalances and IO hangs on offline iolatency needs to track the number of inflight IOs per cgroup. As this tracking can be expensive, it is disabled when no cgroup has iolatency configured for th...

UBUNTU-CVE-2022-49667

In the Linux kernel, the following vulnerability has been resolved: net: bonding: fix use-after-free after 802.3ad slave unbind commit 0622cab0341c "bonding: fix 802.3ad aggregator reselection", resolve case, when there is several aggregation groups in the same bond. bond3adunbindslave will...

DEBIAN-CVE-2022-49197

In the Linux kernel, the following vulnerability has been resolved: afnetlink: Fix shift out of bounds in group mask calculation When a netlink message is received, netlinkrecvmsg fills in the address of the sender. One of the fields is the 32-bit bitfield nlgroups, which carries the multicast...

DEBIAN-CVE-2022-49174

In the Linux kernel, the following vulnerability has been resolved: ext4: fix ext4mbmarkbb with flexbg with fastcommit In case of flexbg feature which is by default enabled, extents for any given inode might span across blocks from two different block group. ext4mbmarkbb only reads the bufferhead...

CVE-2022-49667

In the Linux kernel, the following vulnerability has been resolved: net: bonding: fix use-after-free after 802.3ad slave unbind commit 0622cab0341c "bonding: fix 802.3ad aggregator reselection", resolve case, when there is several aggregation groups in the same bond. bond3adunbindslave will...

CVE-2022-49197 af_netlink: Fix shift out of bounds in group mask calculation

In the Linux kernel, the following vulnerability has been resolved: afnetlink: Fix shift out of bounds in group mask calculation When a netlink message is received, netlinkrecvmsg fills in the address of the sender. One of the fields is the 32-bit bitfield nlgroups, which carries the multicast...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from bfq not updating the cgroup information before merging the bio...