{"id":"CVE-2026-23328","title":"In the Linux kernel, the following vulnerability has been resolved:\n\naccel/amdxdna: Fix NULL pointer dereference of mgmt_chann\n\nmgmt_chann may be set to NULL if the firmware returns an unexpected\nerror in aie2_send_mgmt_msg_wait()","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\naccel/amdxdna: Fix NULL pointer dereference of mgmt_chann\n\nmgmt_chann may be set to NULL if the firmware returns an unexpected\nerror in aie2_send_mgmt_msg_wait(). This …","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-476"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 6.14.1, < 6.19.7","linux_kernel = 6.14","linux_kernel = 7.0"],"patched":["linux_kernel 6.19.7"],"published":"2026-03-25","updated":"2026-10-15","sourceUpdated":"2026-10-15T11:17:28.587","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-23328","references":[{"url":"https://git.kernel.org/stable/c/032ca7a9059c4ba6c329e0f1b442dab54dd9c3e5","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/6270ee26e1edd862ea17e3eba148ca8fb2c99dc9","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/6b3546e3a8c664fb8b97f587fd268dc6e413d79b","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"epss":0.00107,"epssPercentile":0.01097,"ingestedAt":"2026-10-15T11:00:41.715Z","slug":"CVE-2026-23328","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\naccel/amdxdna: Fix NULL pointer dereference of mgmt_chann\n\nmgmt_chann may be set to NULL if the firmware returns an unexpected\nerror in aie2_send_mgmt_msg_wait(). This can later lead to a NULL\npointer dereference in aie2_hw_stop().\n\nFix this by introducing a dedicated helper to destroy mgmt_chann\nand by adding proper NULL checks before accessing it.\n\n## Affected\n\n- `linux_kernel >= 6.14.1, < 6.19.7`\n- `linux_kernel = 6.14`\n- `linux_kernel = 7.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.19.7`","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":222252,"id":"CVE-2026-23328","ts":1792065859821,"field":"cvss","old":null,"new":"5.5"},{"seq":222251,"id":"CVE-2026-23328","ts":1792065859821,"field":"severity","old":"none","new":"medium"}]}