CVE-2023-52785

scsi: ufs: core: Fix racing issue between ufshcd_mcq_abort() and ISR

Description

In the Linux kernel, the following vulnerability has been resolved: scsi: ufs: core: Fix racing issue between ufshcd_mcq_abort() and ISR If command timeout happens and cq complete IRQ is raised at the same time, ufshcd_mcq_abort clears lprb->cmd and a NULL pointer deref happens in the ISR. Error log: ufshcd_abort: Device abort task at tag 18 Unable to handle kernel NULL pointer dereference at virtual address 0000000000000108 pc : [0xffffffe27ef867ac] scsi_dma_unmap+0xc/0x44 lr : [0xffffffe27f1b898c] ufshcd_release_scsi_cmd+0x24/0x114

Category

4.7
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.03%
Affected: Linux Linux
Affected: Linux Linux
Published at:
Updated at:

References

Link Tags
https://git.kernel.org/stable/c/8f15a7e3c054d960bbd1521110700450bbf798a1 patch
https://git.kernel.org/stable/c/f84d461f33a6b27304d468d9cfb56c0cefdb4ee7 patch
https://git.kernel.org/stable/c/27900d7119c464b43cd9eac69c85884d17bae240 patch

Frequently Asked Questions

What is the severity of CVE-2023-52785?
CVE-2023-52785 has been scored as a medium severity vulnerability.
How to fix CVE-2023-52785?
To fix CVE-2023-52785, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-52785 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-52785 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-52785?
CVE-2023-52785 affects Linux Linux, Linux Linux.
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