CVE-2026-121520

A flaw was found in BuildKit. A client with access to the BuildKit control application programming interface API can submit a specially crafted build request to set extended attributes—additional metadata stored with files—on files located outside the BuildKit state directory. Manipulating these...

CVE-2026-121520

In BuildKit versions prior to v0.34.1, a malicious client with access to the BuildKit control APIs can submit a build request that sets an extended attribute on a file outside the BuildKit state directory. Extended attributes in the trusted. or security. namespaces may also be set, potentially...

EUVD-2026-116538

In BuildKit versions prior to v0.34.1, a malicious client with access to the BuildKit control APIs can submit a build request that sets an extended attribute on a file outside the BuildKit state directory. Extended attributes in the trusted. or security. namespaces may also be set, potentially...

CVE-2026-121520 Malicious client could set xattr value outside of BuildKit state directory

In BuildKit versions prior to v0.34.1, a malicious client with access to the BuildKit control APIs can submit a build request that sets an extended attribute on a file outside the BuildKit state directory. Extended attributes in the trusted. or security. namespaces may also be set, potentially...

CVE-2026-121520

In BuildKit versions prior to v0.34.1 , a malicious client with access to the BuildKit control APIs can submit a build request to set extended attributes on files outside the BuildKit state directory. Specifically, attributes in the trusted. or security. namespaces may be set, which could potenti...

CVE-2023-2640-32629

Ubuntu Privilege Escalation: CVE-2023-2640 and CVE-2023-32629 This is a local privilege escalation vulnerability affecting certain Ubuntu kernels. It allows unprivileged users to set privileged extended attributes on mounted files, bypassing security checks and potentially gaining elevated...

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...

macOSTriageCollectionScript

macOSTriageCollectionScript A triage data collection script for macOS that utilises sysdiagnose with a few additions to gather useful triage data for investigations. What does the script collect? Data collected includes: sysdiagnose , a utility on a vareity of macOS/iOS operating systems that...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: fs/ntfs3: Return error for inconsistent extended attributes The ntfsreadea function is called when we want to read extended attributes. There are some sanity checks for the validity of the EAs. However, it fails to return a...

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-6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix buffer validation by including null terminator size in EA length The smb2setea function, which handles Extended Attributes EA, was performing buffer validation checks that incorrectly omitted the size of the null...

Astra Linux – vulnerability in linux-5.10, linux-6.1, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: xfs: delete attr leaf freemap entries when 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 end of the xattr...

Astra Linux – vulnerability in linux, linux-5.10, linux-5.15, linux-6.1

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

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

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 linux-5.10, linux-5.15, linux

In the Linux kernel, the following vulnerability has been resolved: ext4: init quota for 'old.inode' in 'ext4rename' Syzbot identified the following issues: ext4parseparam: swantextraisize=128 ext4inodeinfoinit: swantextraisize=32 ext4rename: old.inode=ffff88823869a2c8 old.dir=ffff888238699828...

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...

Astra Linux – vulnerability in linux-5.10, linux-6.1, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: xfs: fix freemap adjustments when adding xattrs to leaf blocks Both xfs/592 and xfs/794 trigger this assertion in the leaf block freemap adjustment code after approximately 20 minutes of operation on my test VMs:...

Astra Linux – vulnerability in linux, linux-5.10, linux-5.15, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: f2fs: explicitly null-terminate the xattr list When setting an xattr, explicitly null-terminate the xattr list. This eliminates the fragile assumption that the unused xattr space is always zeroed...