CVE-2023-2640-32629

Escalada de privilegios en Ubuntu: CVE-2023-2640 y CVE-2023-32629 Esta es una vulnerabilidad de escalada local de privilegios que afecta a ciertos kernels de Ubuntu. Permite a usuarios sin privilegios establecer atributos extendidos privilegiados en archivos montados, omitiendo las comprobaciones...

CVE-2021-3493-Exploit

CVE-2021-3493-Exploit Una prueba de concepto de escalada de privilegios local para CVE-2021-3493, escrita en C. 📌 Descripción Este repositorio contiene una implementación en C del exploit para CVE-2021-3493. Esta es una vulnerabilidad de Escalada de Privilegios Local LPE en la implementación de...

Astra Linux – Vulnerability in tar

In GNU tar before version 1.35, mishandling of extension attributes in a PAX archive can cause the application to crash in xheader.c...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ext4: Do not create EA inodes under the buffer lock The ext4xattrsetentry function creates new EA inodes while holding the buffer lock on the external xattr block. This is problematic because all allocation-related locking...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ext4: fix invalid free tracking in ext4xattrMoveToBlock In ext4xattrMoveToBlock, the value of the extended attribute that we need to move to an external block may be allocated by kvmalloc if the value is stored in an external...

Astra Linux – Vulnerability in Samba

The Samba vfsfruit module utilizes extended file attributes EA, xattr to enhance compatibility with Apple SMB clients and interoperability with Netatalk 3 AFP file servers. Samba versions prior to 4.13.17, 4.14.12, and 4.15.5, when vfsfruit was configured, allowed out-of-bounds heap read and writ...

macOSTriageCollectionScript

macOSTriageCollectionScript Un script de recopilación de datos de triaje para macOS que utiliza sysdiagnose con algunas adiciones para reunir datos de triaje útiles para investigaciones. ¿Qué recopila el script? Los datos recopilados incluyen: sysdiagnose , una utilidad presente en varios sistema...

SUSE CVE-2026-71222

A heap out-of-bounds read vulnerability was found in gfs2-utils. The eanumptrs field from on-disk extended attribute metadata is consumed without bounds validation, causing a heap buffer over-read that may disclose sensitive memory contents or cause a crash when processing crafted GFS2 filesystem...

CVE-2026-71222

A heap out-of-bounds read vulnerability was found in gfs2-utils. The eanumptrs field from on-disk extended attribute metadata is consumed without bounds validation, causing a heap buffer over-read that may disclose sensitive memory contents or cause a crash when processing crafted GFS2 filesystem...

CVE-2026-71222

A heap out-of-bounds read vulnerability exists in gfs2-utils , a tool for processing GFS2 (Global File System 2) filesystem images. The ea_num_ptrs field from on-disk extended attribute metadata is consumed without bounds validation, allowing a crafted GFS2 filesystem image to trigger a heap buff...

CVE-2026-71222 Gfs2-utils: gfs2-utils: heap out-of-bounds read via unchecked ea_num_ptrs in extended attribute processing

A heap out-of-bounds read vulnerability was found in gfs2-utils. The eanumptrs field from on-disk extended attribute metadata is consumed without bounds validation, causing a heap buffer over-read that may disclose sensitive memory contents or cause a crash when processing crafted GFS2 filesystem...

ALSA-2026:60226 Moderate: attr security update

The attr packages provide extended attributes, which can be used to store system objects like capabilities of executables and access control lists, as well as user objects. Security Fixes: attr: Symlink Traversal Privilege Escalation via getfattr and setfattr CVE-2026-54371 For more details about...

ALSA-2026:59380 Moderate: attr security update

The attr packages provide extended attributes, which can be used to store system objects like capabilities of executables and access control lists, as well as user objects. Security Fixes: attr: Symlink Traversal Privilege Escalation via getfattr and setfattr CVE-2026-54371 For more details about...

RHEL 10 : attr (RHSA-2026:59380)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:59380 advisory. The attr packages provide extended attributes, which can be used to store system objects like capabilities of executables and access control lists,...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

A flaw was discovered in the parsing of extended attributes in the kernel’s ksmbd module. The issue arises due to the lack of proper validation of user-provided data, which can lead to data being read beyond the end of an allocated buffer. An attacker can exploit this vulnerability to disclose...

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: ext4: xattr: fixed a null pointer dereference in ext4raw inode If ext4getinodeloc fails e.g., if it returns -EFSCORRUPTED, iloc.bh will remain set to NULL. Since ext4xattr inodedecrefall lacks error checking, this will lead to a...

Astra Linux – Vulnerability in Samba

A vulnerability was discovered in Samba, where the flaw allows SMB clients to truncate files, even with read-only permissions, when the Samba VFS module “aclxattr” is configured with “aclxattr:ignore system acls = yes”. The SMB protocol allows opening files when the client requests read-only...

Astra Linux – Vulnerability in Linux 6.1

On Ubuntu kernels that carry both c914c0e27eb0 and “UBUNTU: SAUCE: overlayfs: Skip permission checking for trusted.overlayfs. xattrs”, a non-privileged user may set privileged extended attributes on mounted files, causing those attributes to be applied to the upper files without the appropriate...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

A use-after-free vulnerability was discovered in the Linux kernel’s ext4 file system, particularly regarding the handling of the additional inode size for extended attributes. This flaw could allow a privileged local user to cause a system crash or other undefined behaviors...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: capabilities: Fixed a potential memory leak on the error path from vfsgetxattralloc. In capinodegetsecurity, we will use vfsgetxattralloc to complete the memory allocation of tmpbuf. If we have completed the memory allocation of...