Linux Kernel Vulnerability in Qualcomm SCM Leading to Potential Data Exposure

CVE-2024-58084

What is CVE-2024-58084?

A vulnerability in the Linux kernel's Qualcomm SCM implementation may lead to improper handling of memory barriers, potentially allowing for the fetching of stale values of the '__scm' variable. This can occur due to missing read barriers that are essential for ensuring data integrity in concurrent contexts. As a result, there is a risk of dereferencing a NULL pointer, which could compromise the stability and security of the system. The issue has since been addressed, but systems running affected versions prior to the fix remain at risk.

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