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The vulnerabilities in the functions prelim_release() and find_parent_nodes() of the fs/btrfs/backref.c module in the btrfs file system of the Linux operating system allow a attacker to cause a service failure.

🗓️ 25 Mar 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec🔗 bdu.fstec.ru👁 2 Views

Btrfs file system in Linux has issues in prelim_release and find_parent_nodes that can cause infinite loop and service failure.

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Amazon		Important: kernel
8 Dec 202200:00
–amazon
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25 Mar 2026 00:00Current
5.9Medium risk
Vulners AI Score5.9
CVSS 24.6
CVSS 35.5
EPSS0.00172
btrfs file systemlinux operating systemprelim releasefind parent nodesinfinite loopservice failure
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