LEAF

Linux Evidence Acquisition Framework LEAF Author: Alexandra Cartwright April, 2022 Description Linux Evidence Acquisition Framework LEAF acquires artifacts and evidence from Linux EXT4 systems, accepting user input to customize the functionality of the tool for easier scalability. Offering severa...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098782)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098782 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: fix transaction abort when snapshotting received subvolumes Currently a user can trigger ...

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: net/sched: Returns NULL when htblookupleaf encounters an empty rbtree. htblookupleaf has a BUG that can be triggered with the following commands: tc qdisc del dev lo root tc qdisc add dev lo root handle 1: htb default 1 tc class...

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: kvaserusb: leaf: Fix potential infinite loop in command parsers The functions kvaserusbleafwaitcmd and kvaserusbleafreadbulkcallback contain logic for handling zero-length commands. These commands are used to align data with the...

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

In the Linux kernel, the following vulnerability has been resolved: jfs: Check whether leafidx is greater than the number of leaves per dmap tree. syzbot reported an out-of-bounds error in dbSplit. This occurs when dmtleafidx is greater than the number of leaves per dmap tree. A check for...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: xfs: Eliminate attribute leaf freemap entries when empty Back in commit 2a2b5932db6758 “xfs: fix attribute leaf header freemap.size underflow”, Brian Foster observed that it’s possible for a small freemap at the end of the xattr...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: btrfs: fixed an inode list leak during backref walking at resolveindirectrefs During backref walking, at resolveindirectrefs, if an error occurs, we jump to the ‘out’ label and call freeleaflist on the ‘parents’ ulist. This frees...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

The mm/rmap.c file in the Linux kernel before version 5.19.7 contains a use-after-free issue related to the double reuse of the leaf anonvma structure...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: Fixed an invalid leaf access in btrfsquotaenable if the ref key is not found. If btrfssearchslotforread returns 1, it means that we did not find any key that is greater than or equal to the key we requested. This means tha...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: xfs: fixed issues with freemap adjustments when adding xattrs to leaf blocks. Both xfs/592 and xfs/794 fail this assertion in the leaf block freemap adjustment code after approximately 20 minutes of execution on my test VMs...

The vulnerability of the fs/xfs/libxfs/xfs_attr_leaf.c component in the Linux operating system allows a attacker to trigger a service failure.

The vulnerability of the fs/xfs/libxfs/xfsattrleaf.c component in the Linux operating system is related to a countable amount of value loss. Exploiting this vulnerability can allow an attacker to cause service failures remotely...

CVE-2026-74458

In the Linux kernel, the following vulnerability has been resolved: can: kvaserusbleaf: kvaserusbleafwaitcmd: validate received command extents The wait and bulk receive paths walk variable-length commands from a USB buffer. A nonzero command shorter than CMDHEADERLEN can still be dispatched, and...

Linux Distros Unpatched Vulnerability : CVE-2026-74458

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - can: kvaserusbleaf: kvaserusbleafwaitcmd: validate received command extents The wait and bulk receive paths walk variable-length commands from a USB buffer. A...

Malicious code in chai-leaf (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 77cc7562a27df348fafc455124fd845dfc2e5774c42279ee6e3dd8f1cfb1f05b [email protected]'s main entry index.js unconditionally requires./lib/config, which is a single 3,546,568-byte obfuscator.io-encoded file 20,721-entry...

MAL-2026-10940 Malicious code in chai-leaf (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 77cc7562a27df348fafc455124fd845dfc2e5774c42279ee6e3dd8f1cfb1f05b [email protected]'s main entry index.js unconditionally requires./lib/config, which is a single 3,546,568-byte obfuscator.io-encoded file 20,721-entry...

kernel: xfs: fix freemap adjustments when adding xattrs to leaf blocks

A flaw was found in the Linux kernel's XFS filesystem. When adding extended attributes xattrs, which are metadata associated with files, to leaf blocks, incorrect adjustments to the freemap can occur. This inconsistency allows the entries array and free space to overlap, leading to an assertion...

JLSEC-2026-730 `wolfSSL_X509_verify_cert` in the OpenSSL compatibility layer accepts a certificate chain in which...

wolfSSLX509verifycert in the OpenSSL compatibility layer accepts a certificate chain in which the leaf's signature is not checked, if the attacker supplies an untrusted intermediate with Basic Constraints CA:FALSE that is legitimately signed by a trusted root. An attacker who obtains any leaf...

BIT-NATS-2026-58254 NATS Server: Incomplete fix for CVE-2026-33249: Leaf node connections bypass Nats-Trace-Dest permission check

NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.14.3 and 2.12.8, message trace destination checks were applied to ordinary client connections but not consistently to messages arriving through leafnode connections, allowing a leafnode...

BIT-NATS-2026-58213 NATS Server: MQTT SUBSCRIBE Protocol Injection via Leaf Node/Route Forwarding allows arbitrary NATS command injection

NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.14.1 and 2.12.9, an MQTT client could include protocol control characters in subscription filters that were later forwarded as NATS protocol data to route or leafnode connections, corrupti...

PYSEC-2026-3051 rfc3161-client Has Improper Certificate Validation

Summary An Authorization Bypass vulnerability in rfc3161-client's signature verification allows any attacker to impersonate a trusted TimeStamping Authority TSA. By exploiting a logic flaw in how the library extracts the leaf certificate from an unordered PKCS7 bag of certificates, an attacker ca...