CVE-2026-98892ModerateLocal

firmware: arm_scmi: Validate BASE_ERROR_EVENT payload size

MSRC advisory NVD CVE.org

Assessment

Severity: Moderate
CVSS base score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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: 24 Oct 2026 · October 2026
Last revised: 24 Oct 2026

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: NoneI:N
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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Cite this version

Field-level log (1)

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25 Oct 2026 · 07:41:18 UTC Last revised24 Oct 2026 01:05 UTC → 24 Oct 2026 14:46 UTC

Explore global source statements, affected packages and advisory history for CVE-2026-98892. The catalog has a separate collection scope from Microsoft release records.

cve-program · CVE-2026-98892

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": [
                        "drivers/firmware/arm_scmi/base.c"
                    ],
                    "versions": [
                        {
                            "version": "585dfab3fb80e67b3a54790b3d5ef2991feb3950",
                            "lessThan": "4a754704698017ced0b657c92b468035faad00ed",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "585dfab3fb80e67b3a54790b3d5ef2991feb3950",
                            "lessThan": "28d65a0a46435d48b96b6943c518095dff1602a1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "585dfab3fb80e67b3a54790b3d5ef2991feb3950",
                            "lessThan": "890a9c3bf9dae90dcabded9d8e10c708a13779f7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "585dfab3fb80e67b3a54790b3d5ef2991feb3950",
                            "lessThan": "c0742f23ec13fb6f5e0cd884323467a6c127d3c2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "585dfab3fb80e67b3a54790b3d5ef2991feb3950",
                            "lessThan": "bd8bc95ef2daa3bac56197cffcbf2d4c5ed42216",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "585dfab3fb80e67b3a54790b3d5ef2991feb3950",
                            "lessThan": "cb77a50d1114c0c9e084176301a8e094d383edfa",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "585dfab3fb80e67b3a54790b3d5ef2991feb3950",
                            "lessThan": "56e7e64cdd0e7209a58c8ec66028d63387402919",
                            "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": [
                        "drivers/firmware/arm_scmi/base.c"
                    ],
                    "versions": [
                        {
                            "version": "5.9",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.9",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.271",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.222",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.189",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.158",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.111",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.53",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }