{"id":"CVE-2026-31511","title":"Bluetooth: MGMT: Fix dangling pointer on mgmt_add_adv_patterns_monitor_complete","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: MGMT: Fix dangling pointer on mgmt_add_adv_patterns_monitor_complete\n\nThis fixes the condition checking so mgmt_pending_valid is executed\nwhenever status != …","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","cvssSource":"cna","vendor":"Linux","product":"Linux","affected":["Linux >= 0b60eb04b8524e1b4b3f07fea0d16fda9a677d9a < 2074dfffad76981ca451cb7fc98703d04ac562fe","Linux >= d71b98f253b079cbadc83266383f26fe7e9e103b < 340666172cf747de58c283d2eef1f335f050538b","Linux >= 302a1f674c00dd5581ab8e493ef44767c5101aab < bafec9325d4de26b6c49db75b5d5172de652aae0","Linux >= 302a1f674c00dd5581ab8e493ef44767c5101aab < 3a89c33deffb3cb7877a7ea2e50734cd12b064f2","Linux >= 302a1f674c00dd5581ab8e493ef44767c5101aab < 5f5fa4cd35f707344f65ce9e225b6528691dbbaa","Linux 87a1f16f07c6c43771754075e08f45b41d237421","Linux >= 6.12.59 < 6.12.80","Linux >= 6.16.10 < 6.17","Linux 6.17"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-16T15:10:27.942863Z"},"published":"2026-04-22","updated":"2026-10-16","sourceUpdated":"2026-10-16T15:20:14.108Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-31511","references":[{"url":"https://git.kernel.org/stable/c/2074dfffad76981ca451cb7fc98703d04ac562fe"},{"url":"https://git.kernel.org/stable/c/340666172cf747de58c283d2eef1f335f050538b"},{"url":"https://git.kernel.org/stable/c/bafec9325d4de26b6c49db75b5d5172de652aae0"},{"url":"https://git.kernel.org/stable/c/3a89c33deffb3cb7877a7ea2e50734cd12b064f2"},{"url":"https://git.kernel.org/stable/c/5f5fa4cd35f707344f65ce9e225b6528691dbbaa"}],"tags":["cve.org"],"epss":0.00175,"epssPercentile":0.0654,"ingestedAt":"2026-10-16T17:24:46.659Z","slug":"CVE-2026-31511","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: MGMT: Fix dangling pointer on mgmt_add_adv_patterns_monitor_complete\n\nThis fixes the condition checking so mgmt_pending_valid is executed\nwhenever status != -ECANCELED otherwise calling mgmt_pending_free(cmd)\nwould kfree(cmd) without unlinking it from the list first, leaving a\ndangling pointer. Any subsequent list traversal (e.g.,\nmgmt_pending_foreach during __mgmt_power_off, or another\nmgmt_pending_valid call) would dereference freed memory.\n\n## Affected\n\n- `Linux >= 0b60eb04b8524e1b4b3f07fea0d16fda9a677d9a < 2074dfffad76981ca451cb7fc98703d04ac562fe`\n- `Linux >= d71b98f253b079cbadc83266383f26fe7e9e103b < 340666172cf747de58c283d2eef1f335f050538b`\n- `Linux >= 302a1f674c00dd5581ab8e493ef44767c5101aab < bafec9325d4de26b6c49db75b5d5172de652aae0`\n- `Linux >= 302a1f674c00dd5581ab8e493ef44767c5101aab < 3a89c33deffb3cb7877a7ea2e50734cd12b064f2`\n- `Linux >= 302a1f674c00dd5581ab8e493ef44767c5101aab < 5f5fa4cd35f707344f65ce9e225b6528691dbbaa`\n- `Linux 87a1f16f07c6c43771754075e08f45b41d237421`\n- `Linux >= 6.12.59 < 6.12.80`\n- `Linux >= 6.16.10 < 6.17`\n- `Linux 6.17`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}