Bug 2334471 (CVE-2024-56620) - CVE-2024-56620 kernel: scsi: ufs: qcom: Only free platform MSIs when ESI is enabled
Summary: CVE-2024-56620 kernel: scsi: ufs: qcom: Only free platform MSIs when ESI is e...
Keywords:
Status: NEW
Alias: CVE-2024-56620
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2024-12-27 15:04 UTC by OSIDB Bzimport
Modified: 2025-01-20 15:30 UTC (History)
4 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:


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Description OSIDB Bzimport 2024-12-27 15:04:09 UTC
In the Linux kernel, the following vulnerability has been resolved:

scsi: ufs: qcom: Only free platform MSIs when ESI is enabled

Otherwise, it will result in a NULL pointer dereference as below:

Unable to handle kernel NULL pointer dereference at virtual address 0000000000000008
Call trace:
 mutex_lock+0xc/0x54
 platform_device_msi_free_irqs_all+0x14/0x20
 ufs_qcom_remove+0x34/0x48 [ufs_qcom]
 platform_remove+0x28/0x44
 device_remove+0x4c/0x80
 device_release_driver_internal+0xd8/0x178
 driver_detach+0x50/0x9c
 bus_remove_driver+0x6c/0xbc
 driver_unregister+0x30/0x60
 platform_driver_unregister+0x14/0x20
 ufs_qcom_pltform_exit+0x18/0xb94 [ufs_qcom]
 __arm64_sys_delete_module+0x180/0x260
 invoke_syscall+0x44/0x100
 el0_svc_common.constprop.0+0xc0/0xe0
 do_el0_svc+0x1c/0x28
 el0_svc+0x34/0xdc
 el0t_64_sync_handler+0xc0/0xc4
 el0t_64_sync+0x190/0x194

Comment 1 Avinash Hanwate 2024-12-28 06:55:26 UTC
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024122709-CVE-2024-56620-d1a8@gregkh/T


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