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...

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 A proof-of-concept local privilege escalation exploit for CVE-2021-3493, written in C. 📌 Description This repository contains a C implementation of the exploit for CVE-2021-3493. This is a Local Privilege Escalation LPE vulnerability in the OverlayFS implementation in the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: jfs: fixed a slab-out-of-bounds read in eaget During the “sizecheck” step in eaget, the code checks whether the extended attribute list xattr size matches easize. If not, it logs “eaget: invalid extended attribute” and calls...

Astra Linux – Vulnerability in Linux

A flaw was discovered in the JFS filesystem code within the Linux kernel, which allows a local attacker to cause the system to panic by enabling the ability to set extended attributes. This can lead to memory corruption or an escalation of privileges. The most significant threat posed by this...

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

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to do sanity check on ixattrnid in sanitycheckinode syzbot reports a kernel bug as below: F2FS-fs loop0: Mounted with checkpoint version = 48b305e4 ================================================================== BUG:...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Buffer validation was corrected by including the size of the null-terminating character in the EA length. The smb2setea function, which handles Extended Attributes EA, conducted buffer validation checks that incorrectly...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

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

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...

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

In the Linux kernel, the following vulnerability has been resolved: f2fs: Explicitly terminate the xattr list with a null character. When setting an xattr, ensure that the xattr list is explicitly terminated with a null character. This eliminates the fragile assumption that the unused xattr space...

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 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...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ocfs2: fixed the issue with preserving cleanup for reflinks. The commit c06c303832ec “ocfs2: fixed the error where xattr array entries were not properly handled” does not handle all cases, and the cleanup of preserved xattr...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ext4: Initializing quotas for ‘old.inode’ in ‘ext4rename’. Syzbot identified the following issues: - ext4parseparam: swantextraisize=128 - ext4inodeinfoinit: swantextraisize=32 - ext4rename: old.inode=ffff88823869a2c8;...

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...

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...