CVE-2023-52785

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

EPSS 0.2%

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

21 May 2024Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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

Affected products

Linux · Linux

References

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