CVE-2023-53615: scsi: qla2xxx: Fix deletion race condition
In the Linux kernel, the following vulnerability has been resolved:
scsi: qla2xxx: Fix deletion race condition
System crash when using debug kernel due to link list corruption. The cause of the link list corruption is due to session deletion was allowed to queue up twice. Here's the internal trace that show the same port was allowed to double queue for deletion on different cpu.
20808683956 015 qla2xxx [0000:13:00.1]-e801:4: Scheduling sess ffff93ebf9306800 for deletion 50:06:0e:80:12:48:ff:50 fc4type 1 20808683957 027 qla2xxx [0000:13:00.1]-e801:4: Scheduling sess ffff93ebf9306800 for deletion 50:06:0e:80:12:48:ff:50 fc4type 1
Move the clearing/setting of deleted flag lock.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2023-53615?
CVE-2023-53615 is rated as a moderate severity vulnerability in the Linux kernel.
How do I fix CVE-2023-53615?
To fix CVE-2023-53615, upgrade to the latest stable version of the Linux kernel that includes the patch.
What systems are affected by CVE-2023-53615?
CVE-2023-53615 affects systems running vulnerable versions of the Linux kernel that utilize the qla2xxx SCSI driver.
What are the potential consequences of CVE-2023-53615?
CVE-2023-53615 can lead to a system crash due to link list corruption in debug mode.
How was CVE-2023-53615 discovered?
CVE-2023-53615 was discovered due to issues with session deletion being allowed to queue up twice, leading to a race condition.