CVE-2004-1057

CVE-2004-1057 describes a denial-of-service vulnerability affecting multiple drivers in Linux kernel versions 2.4.19 and earlier, including Red Hat Enterprise Linux. The flaw stems from improper marking of memory with the VM_IO flag, leading to incorrect reference counts and potential kernel panics when accessing freed kernel pages. With a CVSS score of 7.2 (AV:L/AC:L/Au:N/C:C/I:C/A:C), this vulnerability is considered highly severe, indicating that a local attacker with low complexity could achieve a complete loss of confidentiality, integrity, and availability. While there is no known active exploitation, public exploit code, or Metasploit/Nuclei modules, the vulnerability has garnered significant community discussion with 10 mentions, suggesting awareness among security researchers.