CVE-2024-56620: scsi: ufs: qcom: Only free platform MSIs when ESI is enabled
First published: Fri Dec 27 2024(Updated: )
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
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=6.3<6.12.5 | |
| Linux Kernel | =6.13-rc1 | |
| debian/linux | 5.10.223-1 5.10.234-1 6.1.129-1 6.1.128-1 6.12.20-1 6.12.21-1 |
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Reference Links
- https://git.kernel.org/stable/c/f99cb5f6344ef93777fd3add7979ebf291a852df
- https://git.kernel.org/stable/c/64506b3d23a337e98a74b18dcb10c8619365f2bd
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-56620
- https://nvd.nist.gov/vuln/detail/CVE-2024-56620
- https://launchpad.net/bugs/cve/CVE-2024-56620
- https://security-tracker.debian.org/tracker/CVE-2024-56620
- https://ubuntu.com/security/CVE-2024-56620
- https://git.kernel.org/linus/64506b3d23a337e98a74b18dcb10c8619365f2bd
Frequently Asked Questions
What is the severity of CVE-2024-56620?
CVE-2024-56620 has been classified as a high severity vulnerability due to its potential to cause kernel crashes.
How do I fix CVE-2024-56620?
To fix CVE-2024-56620, update the Linux Kernel to version 6.12.6 or later.
What systems are affected by CVE-2024-56620?
CVE-2024-56620 affects Linux Kernel versions from 6.3 to 6.12.5 and the specific release 6.13-rc1.
What is the impact of CVE-2024-56620?
The impact of CVE-2024-56620 is a potential NULL pointer dereference leading to kernel panic, resulting in system instability.
When was CVE-2024-56620 published?
CVE-2024-56620 was published in December 2024.
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