{"id":"CVE-2026-23464","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nsoc: microchip: mpfs: Fix memory leak in mpfs_sys_controller_probe()\n\nIn mpfs_sys_controller_probe(), if of_get_mtd_device_by_node() fails,\nthe function returns immedia…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nsoc: microchip: mpfs: Fix memory leak in mpfs_sys_controller_probe()\n\nIn mpfs_sys_controller_probe(), if of_get_mtd_device_by_node() fails,\nthe function returns immedia…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-401"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 6.8, < 6.12.78","linux_kernel >= 6.13, < 6.18.20","linux_kernel >= 6.19, < 6.19.10","linux_kernel = 7.0"],"patched":["linux_kernel 6.19.10"],"published":"2026-04-03","updated":"2026-07-24","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-23464","references":[{"url":"https://git.kernel.org/stable/c/17c84fb7cf3971cc621646185d785670e9530ca1","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/5a741f8cc6fe62542f955cd8d24933a1b6589cbd","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/da4b44c42f40501db35f5d0a6243708a061490a0","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e3dd5cffba07de6574165a72851471cd42cc6d15","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd"],"epss":0.00122,"epssPercentile":0.01723,"ingestedAt":"2026-07-25T22:05:03.629Z","slug":"CVE-2026-23464","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nsoc: microchip: mpfs: Fix memory leak in mpfs_sys_controller_probe()\n\nIn mpfs_sys_controller_probe(), if of_get_mtd_device_by_node() fails,\nthe function returns immediately without freeing the allocated memory\nfor sys_controller, leading to a memory leak.\n\nFix this by jumping to the out_free label to ensure the memory is\nproperly freed.\n\nAlso, consolidate the error handling for the mbox_request_channel()\nfailure case to use the same label.\n\n## Affected\n\n- `linux_kernel >= 6.8, < 6.12.78`\n- `linux_kernel >= 6.13, < 6.18.20`\n- `linux_kernel >= 6.19, < 6.19.10`\n- `linux_kernel = 7.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.19.10`","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}