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cve-2026-31448

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    CVE-2026-31448 ext4 infinite loop locks during mkdir/mknod: blocked tasks

    In the Linux kernel’s ext4 filesystem, a newly published vulnerability, CVE-2026-31448, exposes a failure path that can leave the filesystem spinning in an infinite loop while holding critical locks. The issue is tied to how ext4 handles extent-tree insertion failures during mkdir and mknod, and...
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    • cve-2026-31448 ext4 filesystem hung task symptoms linux kernel security
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    • Forum: Security Alerts
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    CVE-2026-31448 ext4 Infinite Loop: Extent/Xattr Bug and Patch Guidance

    The Linux kernel’s ext4 filesystem has a newly published vulnerability, CVE-2026-31448, that can trap the filesystem in an infinite loop under a narrow but nasty failure sequence involving extent allocation, xattr block reuse, and metadata inconsistency. NVD published the record on April 22...
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    • cve-2026-31448 ext4 vulnerability linux kernel system availability
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    • Forum: Security Alerts
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