CVE-2026-23218 - gpio: loongson-64bit: Fix incorrect NULL check after devm_kcalloc()

MEDIUM

gpio: loongson-64bit: Fix incorrect NULL check after devm_kcalloc()

Published Feb 18, 2026

5.5

MEDIUM

CVSS 3.1

EPSS 0.10%

Fix incorrect NULL check in loongson_gpio_init_irqchip(). The function checks chip->parent instead of chip->irq.parents.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

unaffected

Version	Status	Constraints
	affected
	affected

affected

Product	Package	State	Advisory
Red Hat Enterprise Linux 10	kernel	Not affected	n/a
Red Hat Enterprise Linux 6	kernel	Not affected	n/a
Red Hat Enterprise Linux 7	kernel	Not affected	n/a
Red Hat Enterprise Linux 7	kernel-rt	Not affected	n/a
Red Hat Enterprise Linux 8	kernel	Not affected	n/a
Red Hat Enterprise Linux 8	kernel-rt	Not affected	n/a
Red Hat Enterprise Linux 9	kernel	Not affected	n/a
Red Hat Enterprise Linux 9	kernel-rt	Not affected	n/a

No remediation recorded yet.

Weaknesses (1)

CWE-476

NULL Pointer Dereference

Link	Providers	Tags
https://access.redhat.com/security/cve/CVE-2026-23218		Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2440618		Issue Tracking
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-8079		Advisory
https://git.kernel.org/stable/c/e34f77b09080c86c929153e2a72da26b4f8947ff		Patch
https://git.kernel.org/stable/c/e71e3fa90a15134113f61343392e887cd1f4bf7c		Patch
https://lore.kernel.org/linux-cve-announce/2026021801-CVE-2026-23218-4114@gregkh/T
https://nvd.nist.gov/vuln/detail/CVE-2026-23218
https://www.cve.org/CVERecord?id=CVE-2026-23218