CVE-2026-99246ImportantNetworkRevised 7 Nov

tipc: protect node reset trace dump with node lock

MSRC advisory NVD CVE.org

Assessment

Severity: Important
CVSS base score: 8.1
Impact: Not stated
Exploitation detected: Unknown: not stated by MSRC
Exploitability: Not assessed
Publicly disclosed: Unknown: not stated by MSRC
EPSS · 30-day forecast: No EPSS score collected
Customer action: Required: follow the MSRC remediation guidance

More details

CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Public detection template: No Nuclei template is listed in the current collected catalog
Component: Mariner
Weakness: —
Issued by: Linux
Published: 4 Nov 2026 · November 2026
Last revised: 7 Nov 2026Information published.

CVSS 3.1 base metricsRed raises the risk · green lowers it

Attack vector: NetworkAV:N
Attack complexity: HighAC:H
Privileges required: NonePR:N
User interaction: NoneUI:N
Scope: UnchangedS:U
Confidentiality: HighC:H
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

1 affected product

azl3 kernel 6.6.159.1-1 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

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 (10)

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

7 Nov 2026 · 08:59:22 UTC Last revised5 Nov 2026 14:54 UTC → 7 Nov 2026 01:45 UTC
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
6 Nov 2026 · 08:04:49 UTC Last revised4 Nov 2026 14:46 UTC → 5 Nov 2026 14:54 UTC

Explore global source statements, affected packages and advisory history for CVE-2026-99246. The catalog has a separate collection scope from Microsoft release records.

cve-program · CVE-2026-99246

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/tipc/node.c"
                    ],
                    "versions": [
                        {
                            "version": "eb18a510b5cd4daeb9736ad8db57a9fc49db185b",
                            "lessThan": "c8b72ca0918e95f708f67c8b3e69b05290f2b6d2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "eb18a510b5cd4daeb9736ad8db57a9fc49db185b",
                            "lessThan": "6e492cb98ca69cc1145175e23e22e3b84da7f26d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "eb18a510b5cd4daeb9736ad8db57a9fc49db185b",
                            "lessThan": "7bb6a35bd6d69019539d8782fb590fd2aa8a3236",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "eb18a510b5cd4daeb9736ad8db57a9fc49db185b",
                            "lessThan": "6abd93d01b0f495f29201925a5ee8e6a583c4044",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "eb18a510b5cd4daeb9736ad8db57a9fc49db185b",
                            "lessThan": "a6101d62ccfa153db8c218ce59362b8e0316fd4f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "eb18a510b5cd4daeb9736ad8db57a9fc49db185b",
                            "lessThan": "b8b7d28dc2b7472ffd1eff3954c38f1976b21a7b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "eb18a510b5cd4daeb9736ad8db57a9fc49db185b",
                            "lessThan": "fa8c78c0e49aa11fae116fd841e41aa8f2d68751",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "eb18a510b5cd4daeb9736ad8db57a9fc49db185b",
                            "lessThan": "dddf197f29ba5e47a476dde82bf542ca2e0d5e5e",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                }

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/tipc/node.c"
                    ],
                    "versions": [
                        {
                            "version": "5.0",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.0",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.273",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.224",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.191",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.161",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.115",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.59",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.13",
                            "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