CVE-2026-98984LowLocalRevised 26 Oct

dcache: don't put a mountpoint on a dentry that's being removed

MSRC advisory NVD CVE.org

Assessment

Severity: Low
CVSS base score: 2.5CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
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: 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: NoneI:N
Availability: LowA:L

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-2026-98984. The catalog has a separate collection scope from Microsoft release records.

cve-program · CVE-2026-98984

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": [
                        "fs/dcache.c"
                    ],
                    "versions": [
                        {
                            "version": "1064f874abc0d05eeed8993815f584d847b72486",
                            "lessThan": "5e6bfd9f249f2c74bb63c0f06ad959da3bee0971",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1064f874abc0d05eeed8993815f584d847b72486",
                            "lessThan": "793cb67b0f52d00c67bd0e76bc57455b5c70ebb8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1064f874abc0d05eeed8993815f584d847b72486",
                            "lessThan": "390ddcea2a8aca411b931a8e2863a80ccca8d2b3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1064f874abc0d05eeed8993815f584d847b72486",
                            "lessThan": "30a1625022411a387cce9239408ece9955bc9c58",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1064f874abc0d05eeed8993815f584d847b72486",
                            "lessThan": "75f4197f1e11d2eb75c2d6f916a7d4764db621e5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5e6ef5ef6eaf690faad3a7c6c665ebf45d7b6ccf",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "839d42687dfce0ed0ea2c6bd8d707cc0e276fbe7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "808e83e5add13152bd4a88346487de68395c136b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6de9d08a9718ee9c12ba6343c50141c2d633e3dc",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4.1.40",
                            "lessThan": "4.2",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.4.54",
                            "lessThan": "4.5",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.9.15",
                            "lessThan": "4.10",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.10.3",
                            "lessThan": "4.11",
                            "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": [
                        "fs/dcache.c"
                    ],
                    "versions": [
                        {
                            "version": "4.11",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.11",
                            "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"
                        }
                    ]
                }