Merge: ACPI: processor_idle: Fix memory leak in acpi_processor_power_exit()

zampierilucas · zampierilucas · commit 0b53f71d4247 · 2024-07-12T14:13:44.000Z
MR: https://gitlab.com/redhat/centos-stream/src/kernel/centos-stream-9/-/merge_requests/4544 JIRA: https://issues.redhat.com/browse/RHEL-33200 CVE: CVE-2024-26894 Signed-off-by: Mark Langsdorf <mlangsdo@redhat.com> Approved-by: Lenny Szubowicz <lszubowi@redhat.com> Approved-by: David Arcari <darcari@redhat.com> Approved-by: CKI KWF Bot <cki-ci-bot+kwf-gitlab-com@redhat.com> Merged-by: Lucas Zampieri <lzampier@redhat.com>
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
@@ -1430,6 +1430,8 @@ int acpi_processor_power_exit(struct acpi_processor *pr)
 		acpi_processor_registered--;
 		if (acpi_processor_registered == 0)
 			cpuidle_unregister_driver(&acpi_idle_driver);
+
+		kfree(dev);
 	}
 
 	pr->flags.power_setup_done = 0;

Original file line number	Diff line number	Diff line change
`@@ -1430,6 +1430,8 @@ int acpi_processor_power_exit(struct acpi_processor *pr)`
`1430`	`1430`	`acpi_processor_registered--;`
`1431`	`1431`	`if (acpi_processor_registered == 0)`
`1432`	`1432`	`cpuidle_unregister_driver(&acpi_idle_driver);`
	`1433`	`+`
	`1434`	`+ kfree(dev);`
`1433`	`1435`	`}`
`1434`	`1436`
`1435`	`1437`	`pr->flags.power_setup_done = 0;`