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The vulnerability of the refscale_init() function in the kernel/rcu/refscale.c module of the synchronization subsystem in Linux multi-threaded kernel systems allows a attacker to cause a service failure.

🗓️ 04 Feb 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec
🔗 bdu.fstec.ru👁 1 Views

Out-of-bounds in refscale_init enables service failure on multi-threaded Linux kernels.

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04 Feb 2026 00:00Current
6.3Medium risk
Vulners AI Score6.3
CVSS 24.6
CVSS 35.5
EPSS0.00161
1