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In the Linux kernel, the following vulnerability has been resolved: irqchip/ts4800: Fix missing chained handler cleanup on remove The driver… (CVE-2026-72384)

0
Unknown
Published: 08/15/2026 (08/15/2026, 06:32:22 UTC)
Source: GCVE Database

Description

In the Linux kernel, the following vulnerability has been resolved: irqchip/ts4800: Fix missing chained handler cleanup on remove The driver installs a chained handler for the parent interrupt during probe using irq_set_chained_handler_and_data(), but the remove function does not clear this handler. This leaves a dangling handler that may be called when the parent interrupt fires after the driver has been removed, potentially accessing freed memory and causing a kernel crash. Additionally, the parent_irq obtained via irq_of_parse_and_map() is not stored, making it inaccessible in the remove function. Moreover, interrupt mappings created during probe are not properly disposed. Fix this by: - Saving parent_irq in probe - Clearing the chained handler with NULL in ts4800_ic_remove() - Disposing all IRQ mappings before domain removal to prevent resource leaks

Technical Details

Gcve Source
db.gcve.eu
Osv Id
GHSA-xcpr-v9rp-m43f
Osv Schema Version
1.4.0
Aliases
["CVE-2026-72384"]
Ecosystems
[]
Database Specific Severity
null
Cvss Version
null

Threat ID: 6a808b6fbf8831d5394fa7ff

Added to database: 08/15/2026, 15:53:19 UTC

Last updated: 08/15/2026, 15:54:49 UTC

Views: 1

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