rsync: rsync: Authorization bypass via `auth users` directive parsing

An authorization bypass flaw was found in the rsync daemon. The auth users directive parser incorrectly handles group names containing spaces due to comma-only tokenization. This flaw causes deny rules to be silently discarded, allowing an authenticated user to bypass restrictions and gain...

rsync: rsync: Authorization bypass via `auth users` directive parsing

An authorization bypass flaw was found in the rsync daemon. The auth users directive parser incorrectly handles group names containing spaces due to comma-only tokenization. This flaw causes deny rules to be silently discarded, allowing an authenticated user to bypass restrictions and gain...

dirty-pipe-poc

POC Exploit to add user to Sudo for CVE-2022-0847 Dirty Pipe Vulnerability This repo is based of the Vulnerability, Writeup and Exploit produced by Max Kellermann all found here. Just like everyone I had to take advantage of playing with the worlds most trivial to repro Priv Esc the blog post doe...

CVE-2026-82431 Apache Storm Client: Authorization Bypass When nimbus.groups Is Configured Without nimbus.users

Description SimpleACLAuthorizer evaluated the user-level command set by returning early when nimbus.users was empty, before nimbus.groups was considered. An operator who restricted cluster access by group alone, leaving nimbus.users unset, therefore received no restriction at all: every...

CVE-2026-75030

Missing Authorization vulnerability in Apache Syncope. An administrator with task execution entitlements might be able to mass deprovision group members, regardless of their group-related administration capabilities. This issue affects Apache Syncope: from 3.0.0-M0 through 3.0.16, from 4.0.0-M0...

CVE-2026-75030 Apache Syncope: Incomplete authorization checks for Group members deprovisioning

Missing Authorization vulnerability in Apache Syncope. An administrator with task execution entitlements might be able to mass deprovision group members, regardless of their group-related administration capabilities. This issue affects Apache Syncope: from 3.0.0-M0 through 3.0.16, from 4.0.0-M0...

CVE-2026-75030

CVE-2026-75030 is a Missing Authorization vulnerability in Apache Syncope . An administrator with task execution entitlements can mass (de)provision group members regardless of their group-related administration capabilities, effectively bypassing intended access controls. The flaw spans versions...

EUVD-2026-77460

Missing Authorization vulnerability in Apache Syncope. An administrator with task execution entitlements might be able to mass deprovision group members, regardless of their group-related administration capabilities. This issue affects Apache Syncope: from 3.0.0-M0 through 3.0.16, from 4.0.0-M0...

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

In the Linux kernel, the following vulnerability has been resolved: ext4: Avoid allocating blocks from a corrupted group in ext4mbfindbygoal. The logic for checking whether the block bitmap of the group is corrupted is now placed under the protection of the group lock, thereby avoiding the...

Astra Linux – Vulnerability in binutils

A issue was discovered in the Binary File Descriptor BFD library also known as libbfd, as distributed in GNU Binutils 2.32. There is a heap-based buffer over-read in bfddoprnt in bfd.c, due to elfobjectp in elfcode.h mishandling an eshstrndx section of type SHTGROUP by omitting a trailing '\0'...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: PCI: Endpoint – Avoid creating sub-groups asynchronously Asynchronous creation of sub-groups by a delayed operation could lead to a NULL pointer dereference when the driver directory is removed before the operation completes. The...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: iommu: Fixed an error in the unwind operation of iommugroupalloc. If either iommugroupgratefile fails, then iommugroup will be leaked. This issue should be addressed during these error-prone paths. Detected by...

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

In the Linux kernel, the following vulnerability has been resolved: memcg: Protection for concurrent access to memcgroupidr Commit 73f576c04b94 “mm: memcontrol: Fixing cgroup creation failures after many small operations” separated the memcgroupidr IDs from the CSS ID space to address cgroup...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: Fixed a hang that occurred during unmount when the block group reclaim task was running. When starting an unmount, at closectree, if the reclaim task is running and is in the middle of a data block group relocation, a...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: Fixed an assertion issue when building the free space tree. When building the free space tree with the block group tree feature enabled, an assertion failure may occur like this: BTRFS info device loop0 state M: rebuilding...

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

In the Linux kernel, the following vulnerability has been resolved: sysctl: Always initialize iuid/igid. iuid/igid is always initialized within the sysfs core, so setownership can safely skip setting them. The commit 5ec27ec735ba from “fs/proc/procsysctl.c: fix the default values of iuid/igid on...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: iio: core: fix memleak in iiodeviceregistersysfs When iiodeviceregistersysfsgroup fails, we should free iiodevopaque-chanattrgroup.attrs to prevent potential memleak...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ext4: Allow ext4getgroupinfo to fail. Previously, ext4getgroupinfo would treat an invalid group number as a BUG, since this should theoretically never happen. However, if a malicious attacker modifies the superblock via the block...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ocfs2: The uncached inode fails to enter the group. Syzbot has reported the following BUG: Kernel BUG at fs/ocfs2/uptodate.c:509! … Call Trace: ? diebody+0x5f/0xb0 ? die+0x9e/0xc0 ? dotrap+0x15a/0x3a0 ?...

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

In the Linux kernel, the following vulnerability has been resolved: exec: Fix for the issue involving the comparison between permission checks and setuid/gid usage When opening a file for execution using dofilpopen, permission checks are performed based on the file’s metadata at that moment. If t...