{"id":"CVE-2023-53504","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/bnxt_re: Properly order ib_device_unalloc() to avoid UAF\n\nib_dealloc_device() should be called only after device cleanup","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/bnxt_re: Properly order ib_device_unalloc() to avoid UAF\n\nib_dealloc_device() should be called only after device cleanup.  Fix the\ndealloc sequence.","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-416"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 6.3, < 6.4.11","linux_kernel = 6.5"],"patched":["linux_kernel 6.4.11"],"published":"2025-10-01","updated":"2026-10-15","sourceUpdated":"2026-10-15T22:17:41.393","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2023-53504","references":[{"url":"https://git.kernel.org/stable/c/5363fc488da579923edf6a2fdca3d3b651dd800b","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/c95863f6d970ef968e7c1f3c481f72a4b0734654","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"epss":0.00157,"epssPercentile":0.04788,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-15T21:35:08.366404Z"},"ingestedAt":"2026-10-15T22:48:25.404Z","slug":"CVE-2023-53504","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/bnxt_re: Properly order ib_device_unalloc() to avoid UAF\n\nib_dealloc_device() should be called only after device cleanup.  Fix the\ndealloc sequence.\n\n## Affected\n\n- `linux_kernel >= 6.3, < 6.4.11`\n- `linux_kernel = 6.5`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.4.11`","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}