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medium4.7

CVE-2026-23071

In the Linux kernel, the following vulnerability has been resolved: regmap: Fix race condition in hwspinlock irqsave routine Previously, the address of the sha…

Impact

In the Linux kernel, the following vulnerability has been resolved: regmap: Fix race condition in hwspinlock irqsave routine Previously, the address of the shared member '&map->spinlock_flags' was passed directly to 'hwspin_lock_timeout_irqsave'. This creates a race condition where multiple contexts contending for the lock could overwrite the shared flags variable, potentially corrupting the state for the current lock owner. Fix this by using a local stack variable 'flags' to store the IRQ state temporarily.

Affected products

VendorProductAffected versions
LinuxLinux Kernel
from 4.15 before 5.10.249
from 5.11 before 5.15.199
from 5.16 before 6.1.162
from 6.2 before 6.6.122
from 6.7 before 6.12.68
from 6.13 before 6.18.8

Weakness classification

CWE-362

References