wid-sec-w-2026-0614 · Published 2026-03-04 · View on BSI CERT-Bund ↗

Linux Kernel: Multiple Vulnerabilities

CVSS 7.8 HIGH

Risk Summary

In the Linux kernel, the following vulnerability has been resolved: Revert "f2fs: block cache/dio write during f2fs_enable_checkpoint()" This reverts commit 196c81fdd438f7ac429d5639090a9816abb9760a. Original patch may cause below deadlock, revert it. write remount - write_begin - lock_page --- lock A - prepare_write_begin - f2fs_map_lock - f2fs_enable_checkpoint - down_write(cp_enable_rwsem) --- lock B - sync_inode_sb - writepages - lock_page --- lock A - down_read(cp_enable_rwsem) --- lock A

CVEs (9)

CVE-2025-71238 CVE-2026-23231 CVE-2026-23232 CVE-2026-23233 CVE-2026-23234 CVE-2026-23235 CVE-2026-23236 CVE-2026-23237 CVE-2026-23238

Affected Vendors

Amazon Debian Microsoft Open Source Oracle RESF Red Hat

Affected Products (1)

Microsoft · Azure Linux azl3

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