Threats Tagged 'cve-2023-4732'
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Threats Tagged 'cve-2023-4732'
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CVE-2023-4732 is a medium-severity race condition vulnerability in the memory management subsystem of the Linux kernel used by Red Hat Enterprise Linux 8. It arises from a flaw in the pfn_swap_entry_to_page function, where a local attacker can trigger a denial of service (DoS) by causing a kernel BUG due to improper handling of a pmd_t variable. Exploitation requires local user privileges and high attack complexity, with no user interaction needed. The vulnerability impacts system availability but does not affect confidentiality or integrity. No known exploits are currently reported in the wild. European organizations running Red Hat Enterprise Linux 8 should prioritize patching once updates are available to prevent potential service disruptions. Countries with significant enterprise Linux deployments and critical infrastructure relying on Red Hat are most at risk. Mitigation involves applying kernel patches promptly, restricting local user access, and monitoring for unusual system crashes related to memory management. Join the discussion | CVE Database V5 | 10/03/2023, 16:55:01 UTC Added: 10/08/2025, 13:35:09 UTC |
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