CVE-2023-21216
CVSS 3.1 Score 9.8 of 10 (high)
Details
Published Dec 4, 2023
Updated: Dec 22, 2023
Summary
CVE-2023-21216 is a critical kernel vulnerability affecting PMRChangeSparseMemOSMem in physmem_osmem_linux.c. This issue results in a use-after-free condition, allowing an attacker to execute arbitrary code in the kernel without requiring any additional privileges or user interaction. The exploitation of this vulnerability could result in local privilege escalation, posing a significant security risk.
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