How severe is CVE-2023-52462?

This vulnerability has a severity rating of MEDIUM with a CVSS score of 5.5 out of 10.

What type of vulnerability is CVE-2023-52462?

This is classified as CWE-476, which is a common weakness in software security.

CVE-2023-52462 - MEDIUM Severity | CVSS 5.5

Vulnerability Description

In the Linux kernel, the following vulnerability has been resolved: bpf: fix check for attempt to corrupt spilled pointer When register is spilled onto a stack as a 1/2/4-byte register, we set slot_type[BPF_REG_SIZE - 1] (plus potentially few more below it, depending on actual spill size). So to check if some stack slot has spilled register we need to consult slot_type[7], not slot_type[0]. To avoid the need to remember and double-check this in the future, just use is_spilled_reg() helper.

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