CVE-2026-90092ModerateLocalRevised 21 Oct

Bluetooth: L2CAP: reject accept queue add unless BT_LISTEN

MSRC advisory NVD CVE.org

Assessment

Severity: Moderate
CVSS base score: 7.1CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H/E:U
Impact: Not stated
EPSS · 30-day forecast: No EPSS score collected
Public detection template: No Nuclei template is listed in the current collected catalog
Exploitation detected: Unknown: not stated by MSRC
Exploitability: Not assessed
Publicly disclosed: Unknown: not stated by MSRC
Customer action: Required: follow the MSRC remediation guidance
Component: Mariner
Weakness: —
Issued by: Linux
Published: 19 Sep 2026 · September 2026
Last revised: 21 Oct 2026Information published.

CVSS 3.1 base metricsRed raises the risk · green lowers it

Attack vector: LocalAV:L
Attack complexity: LowAC:L
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

No KB update is listed in the collected MSRC record. Check the MSRC advisory for product releases and other remedies.

Affected products

Open Source Software

2 affected products

azl3 kernel 6.6.150.1-1 on Azure Linux 3.0
azl3 kernel 6.6.152.1-1 on Azure Linux 3.0

What changed

Detection template: Unknown: detection-template evidence is incomplete or retained → No Nuclei template listed
6 Nov 2026 · 17:32:22 UTC
Detection template: No Nuclei template listed → Unknown: detection-template evidence is incomplete or retained
6 Nov 2026 · 16:31:02 UTC
Detection template: Unknown: detection-template evidence is incomplete or retained → No Nuclei template listed
2 Nov 2026 · 17:30:39 UTC
Detection template: No Nuclei template listed → Unknown: detection-template evidence is incomplete or retained
2 Nov 2026 · 16:27:39 UTC
Detection template: No Nuclei template listed · Customer action: Required: apply the update → Required: follow the MSRC remediation guidance · Public disclosure: No → Unknown: not stated by MSRC · Exploitation detected: Not reported by MSRC → Unknown: not stated by MSRC
29 Oct 2026
Detection template: Unknown: exploit-code evidence is incomplete or retained → No Nuclei template listed · CISA KEV: Unknown: catalog evidence is incomplete or retained → Not listed in the collected catalog
23 Oct 2026 · 09:33:49 UTC
Detection template: No Nuclei template listed → Unknown: exploit-code evidence is incomplete or retained · CISA KEV: Not listed in the collected catalog → Unknown: catalog evidence is incomplete or retained
23 Oct 2026 · 08:31:50 UTC

Page history

Changes are dated when recorded; day views use the last saved version from that UTC day, and citations stay fixed.

Cite this version

Field-level log (36)

Up to 100 recent field edits are shown; older edits may be outside retention.

6 Nov 2026 · 17:32:22 UTC Public detection templateUnknown: detection-template evidence is incomplete or retained → No Nuclei template listed
6 Nov 2026 · 17:32:22 UTC Source coverage: public-exploit-codeIncomplete → Current
6 Nov 2026 · 17:32:22 UTC Source coverage: first-epssIncomplete → Current
6 Nov 2026 · 17:32:22 UTC Source coverage: msrc-cvrfIncomplete → Current
6 Nov 2026 · 16:31:02 UTC Public detection templateNo Nuclei template listed → Unknown: detection-template evidence is incomplete or retained
6 Nov 2026 · 16:31:02 UTC Source coverage: public-exploit-codeCurrent → Incomplete
6 Nov 2026 · 16:31:02 UTC Source coverage: first-epssCurrent → Incomplete
6 Nov 2026 · 16:31:02 UTC Source coverage: msrc-cvrfCurrent → Incomplete
2 Nov 2026 · 17:30:39 UTC Public detection templateUnknown: detection-template evidence is incomplete or retained → No Nuclei template listed
2 Nov 2026 · 17:30:39 UTC Source coverage: public-exploit-codeIncomplete → Current
2 Nov 2026 · 17:30:39 UTC Source coverage: first-epssIncomplete → Current
2 Nov 2026 · 17:30:39 UTC Source coverage: msrc-cvrfIncomplete → Current
2 Nov 2026 · 16:27:39 UTC Public detection templateNo Nuclei template listed → Unknown: detection-template evidence is incomplete or retained
2 Nov 2026 · 16:27:39 UTC Source coverage: public-exploit-codeCurrent → Incomplete
2 Nov 2026 · 16:27:39 UTC Source coverage: first-epssCurrent → Incomplete
2 Nov 2026 · 16:27:39 UTC Source coverage: msrc-cvrfCurrent → Incomplete
29 Oct 2026 · 20:19:26 UTC Public detection templateNo Nuclei template listed
29 Oct 2026 · 20:19:26 UTC EPSSNot scored → No EPSS score collected
29 Oct 2026 · 20:19:26 UTC Customer actionRequired: apply the update → Required: follow the MSRC remediation guidance
29 Oct 2026 · 20:19:26 UTC Publicly disclosedNo → Unknown: not stated by MSRC
29 Oct 2026 · 20:19:26 UTC Exploitation detectedNot reported by MSRC → Unknown: not stated by MSRC
23 Oct 2026 · 09:33:49 UTC Public exploit codeUnknown: exploit-code evidence is incomplete or retained → No Nuclei template listed
23 Oct 2026 · 09:33:49 UTC CISA KEVUnknown: catalog evidence is incomplete or retained → Not listed in the collected catalog
23 Oct 2026 · 09:33:49 UTC Source coverage: public-exploit-codeIncomplete → Current
23 Oct 2026 · 09:33:49 UTC Source coverage: first-epssIncomplete → Current
23 Oct 2026 · 09:33:49 UTC Source coverage: cisa-kevIncomplete → Current
23 Oct 2026 · 09:33:49 UTC Source coverage: msrc-cvrfIncomplete → Current
23 Oct 2026 · 08:31:50 UTC Public exploit codeNo Nuclei template listed → Unknown: exploit-code evidence is incomplete or retained
23 Oct 2026 · 08:31:50 UTC CISA KEVNot listed in the collected catalog → Unknown: catalog evidence is incomplete or retained
23 Oct 2026 · 08:31:50 UTC Source coverage: public-exploit-codeCurrent → Incomplete
23 Oct 2026 · 08:31:50 UTC Source coverage: first-epssCurrent → Incomplete
23 Oct 2026 · 08:31:50 UTC Source coverage: cisa-kevCurrent → Incomplete
23 Oct 2026 · 08:31:50 UTC Source coverage: msrc-cvrfCurrent → Incomplete
21 Oct 2026 · 20:45:25 UTC Last revised2 Oct 2026 04:05 UTC → 21 Oct 2026 18:34 UTC
18 Oct 2026 · 14:54:30 UTC Link: September 2026/security?release=2026-Sep#cves
14 Oct 2026 · 11:22:42 UTC Source coverage: msrc-cvrfIncomplete → Current

Explore global source statements, affected packages and advisory history for CVE-2026-90092. The catalog has a separate collection scope from Microsoft release records.

cve-program · CVE-2026-90092

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/l2cap_sock.c"
                    ],
                    "versions": [
                        {
                            "version": "0c17c8832562b2aac288e89cefd0f46074f54bcb",
                            "lessThan": "bf61a65c6093970e3b50031c4b79ebf3bd411eba",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5105f3e6b2df619c635b5f6a49fac131a36c7952",
                            "lessThan": "491e4c60017969b053888029998d2a61f298986a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c88c185ae0a1067823661b220aeea613df2c127b",
                            "lessThan": "2a3a27aaf19bf069720e024ce6fde54e6bf80df9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1810e42ff6716f320c7269d5850eca48b07b7427",
                            "lessThan": "87276dc15b559d32757a43b4415c8445fbae06c4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2ff1a41a912de8517b4482e946dd951b7d80edbf",
                            "lessThan": "c47339e169bf4a0a4cfabb91351471f67744c2bc",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2ff1a41a912de8517b4482e946dd951b7d80edbf",
                            "lessThan": "d4bfa78fd67929b62b02013c107973e0c5b7aa9a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1b1c0da227bf63479bac9982fc8d12df9aaea0fb",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "85426e97dc72f2088ba6d27e74cd58c3fbd43e31",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a2dcf1a61d056aef15b63c6eae9441344d624389",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6.1.175",
                            "lessThan": "6.1.188",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.140",
                            "lessThan": "6.6.157",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.88",
                            "lessThan": "6.12.110",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.30",
                            "lessThan": "6.18.52",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.258",
                            "lessThan": "5.11",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.209",
                            "lessThan": "5.16",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.7",
                            "lessThan": "7.1",
                            "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/l2cap_sock.c"
                    ],
                    "versions": [
                        {
                            "version": "7.1",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "7.1",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.188",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.157",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.110",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.52",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.6",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON