CVE-2026-47746

CVE-2026-47746 affects Misskey (open source federated social platform). Affected versions are 12.37.0 and later, up to but not including 2026.5.4. The issue is a TOCTOU vulnerability in timing attacks during JSON-LD signature validation and the JSON-LD compaction process, caused by a non-shared p...

CVE-2026-46713

Misskey VM Misskey: CVE-2026-46713 affects Misskey 12.37.0 and later (before 2026.5.4). The issue lies in the JSON-LD signature validation and compaction process, allowing spoofed activities to be accepted as valid. The vulnerability is addressed in version 2026.5.4. Remediation: update to 2026.5...

CVE-2026-46713 Misskey: JSON-LD signature validation + compaction may lead to improper activity handling

Misskey is an open source, federated social media platform. Versions 12.37.0 and later, but prior to 2026.5.4, contain a vulnerability in the JSON-LD signature validation and compaction process that allows spoofed activities to be accepted as valid. This issue has been fixed in version 2026.5.4...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: alpha: Fixed corruption in user-space during memory compaction. Alpha systems may experience sporadic crashes in user-space and heap corruption when memory compaction is enabled. Symptoms include SIGSEGV signals, failures by t...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: drivers/base/node.c: fixed the issue of the compaction sysfs file leaking. The compaction sysfs file is created using compactionregisternode in registernode. However, we forgot to remove it in unregisternode. As a result, the...

SUSE CVE-2026-43187

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...

SUSE CVE-2026-43258

In the Linux kernel, the following vulnerability has been resolved: alpha: fix user-space corruption during memory compaction Alpha systems can suffer sporadic user-space crashes and heap corruption when memory compaction is enabled. Symptoms include SIGSEGV, glibc allocator failures e.g...

CVE-2026-43258

A flaw was found in the Linux kernel, specifically affecting Alpha systems when memory compaction is enabled. Insufficient Translation Lookaside Buffer TLB shootdown during page migration can lead to sporadic user-space crashes and heap corruption. This vulnerability can result in application...

EUVD-2026-27817

In the Linux kernel, the following vulnerability has been resolved: alpha: fix user-space corruption during memory compaction Alpha systems can suffer sporadic user-space crashes and heap corruption when memory compaction is enabled. Symptoms include SIGSEGV, glibc allocator failures e.g...

EUVD-2026-27746

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...

CVE-2026-43258

In the Linux kernel, the following vulnerability has been resolved: alpha: fix user-space corruption during memory compaction Alpha systems can suffer sporadic user-space crashes and heap corruption when memory compaction is enabled. Symptoms include SIGSEGV, glibc allocator failures e.g...

CVE-2026-43258 alpha: fix user-space corruption during memory compaction

In the Linux kernel, the following vulnerability has been resolved: alpha: fix user-space corruption during memory compaction Alpha systems can suffer sporadic user-space crashes and heap corruption when memory compaction is enabled. Symptoms include SIGSEGV, glibc allocator failures e.g...

CVE-2026-43258

CVE-2026-43258 concerns the Linux kernel: on Alpha systems, memory compaction can trigger user-space crashes and heap corruption due to insufficient TLB shootdown during page migration. Root cause involves ASN rollover and stale instruction translations surviving migration. The fix introduces a m...

CVE-2026-43258

In the Linux kernel, the following vulnerability has been resolved: alpha: fix user-space corruption during memory compaction Alpha systems can suffer sporadic user-space crashes and heap corruption when memory compaction is enabled. Symptoms include SIGSEGV, glibc allocator failures e.g...

CVE-2026-43258

In the Linux kernel, the following vulnerability has been resolved: alpha: fix user-space corruption during memory compaction Alpha systems can suffer sporadic user-space crashes and heap corruption when memory compaction is enabled. Symptoms include SIGSEGV, glibc allocator failures e.g...

CVE-2026-43258 alpha: fix user-space corruption during memory compaction

In the Linux kernel, the following vulnerability has been resolved: alpha: fix user-space corruption during memory compaction Alpha systems can suffer sporadic user-space crashes and heap corruption when memory compaction is enabled. Symptoms include SIGSEGV, glibc allocator failures e.g...

CVE-2026-43187

Summary: CVE-2026-43187 affects the Linux kernel XFS freemap handling in xattr leaf entries. The root cause is a bug in the freemap update logic in _leaf_add that can leave behind zero‑length freemap entries with a nonzero base, and later entries could be updated incorrectly so freemap entries ov...

CVE-2026-43187 xfs: delete attr leaf freemap entries when empty

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...

PT-2026-37527

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the XFS file system where a small freemap at the end of the xattr entries array can experience a size underflow during array expansion. This can result in zero-length...

PT-2026-37598

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description Alpha systems may experience sporadic user-space crashes and heap corruption when memory compaction is enabled. This issue is caused by insufficient TLB Translation Lookaside Buffer...