CVE-2026-99015ModerateLocalRevised 26 Oct

Bluetooth: hci_sock: Serialize dead-device detachment

MSRC advisory NVD CVE.org

Assessment

Severity: Moderate
CVSS base score: 6.3CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H
Impact: Not stated
EPSS, next 30 days: Not scored yet
Public exploit code: No Nuclei template lists it
Exploitability: Not assessed
Publicly disclosed: No
Customer action: Required: apply the update
Component: Mariner
Weakness: —
Issued by: Linux
Published: 25 Oct 2026 · October 2026
Last revised: 26 Oct 2026Information published.

CVSS 3.1 base metricsRed raises the risk · green lowers it

Attack vector: LocalAV:L
Attack complexity: HighAC:H
Privileges required: LowPR:L
User interaction: NoneUI:N
Scope: UnchangedS:U
Confidentiality: NoneC:N
Integrity: HighI:H
Availability: HighA:H

Updates that fix it

0 KBs

No KB listed

MSRC lists no downloadable update, which usually means a service-side fix or a release-notes update. Check the MSRC advisory.

Affected products

1 affected product

azl3 kernel 6.6.157.1-1 on Azure Linux 3.0

Page history

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Explore global source statements, affected packages and advisory history for CVE-2026-99015. The catalog has a separate collection scope from Microsoft release records.

cve-program · CVE-2026-99015

Published

Linux

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/bluetooth/hci_sock.c"
                    ],
                    "versions": [
                        {
                            "version": "e04480920d1eec9c061841399aa6f35b6f987d8b",
                            "lessThan": "37cef0c8fb537f40600910d2c2e5f2d5509305f3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e04480920d1eec9c061841399aa6f35b6f987d8b",
                            "lessThan": "76f2e2665697340ac719e7ff1bf148dd014e55c1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e04480920d1eec9c061841399aa6f35b6f987d8b",
                            "lessThan": "c3d2799877906d0c8392d96e14216cd82b020330",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e04480920d1eec9c061841399aa6f35b6f987d8b",
                            "lessThan": "e660a22402944f2615a16fde7129a3c497537329",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e04480920d1eec9c061841399aa6f35b6f987d8b",
                            "lessThan": "381a0925c556a8d91a80a9b9e3e86651d60ffee3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d6ef8bb00aa65eceb413fc165a55086459863e38",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0e77f979a97d3d517fad0b51249ba6fb8ae2d365",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0782c8c7f80c9dd457acdfe16fd0f339f0e73093",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3719acc161d5c1ce09912cc1c9eddc2c5faa3c66",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ff29fe26ab8679bc13a3f0bf5b2911535a1cfc35",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f2f856b65ac4b77049c76c0e89ecd3a177e9fcd1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "75dd00b755ebfa9b24eaedc9f42e9adfc00ae00c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4.4.281",
                            "lessThan": "4.5",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.9.280",
                            "lessThan": "4.10",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.14.244",
                            "lessThan": "4.15",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.203",
                            "lessThan": "4.20",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.140",
                            "lessThan": "5.5",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.58",
                            "lessThan": "5.11",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.13.10",
                            "lessThan": "5.14",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                }

Linux

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/bluetooth/hci_sock.c"
                    ],
                    "versions": [
                        {
                            "version": "5.14",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.14",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.160",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.113",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.57",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.11",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }