CVE-2026-98937LowLocalRevised 26 Oct

perf/core: Check kernel access when kernel callchains are requested

MSRC advisory NVD CVE.org

Assessment

Severity: Low
CVSS base score: 3.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
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: LowAC:L
Privileges required: LowPR:L
User interaction: NoneUI:N
Scope: UnchangedS:U
Confidentiality: LowC:L
Integrity: NoneI:N
Availability: NoneA:N

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

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 (0)

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

No retained field changes for this selection.

Explore global source statements, affected packages and advisory history for CVE-2026-98937. The catalog has a separate collection scope from Microsoft release records.

cve-program · CVE-2026-98937

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": [
                        "kernel/events/core.c"
                    ],
                    "versions": [
                        {
                            "version": "0764771dab80d7b84b9a271bee7f1b21a04a3f0c",
                            "lessThan": "132bee76097be421ab3012130b5b506324cf2be1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0764771dab80d7b84b9a271bee7f1b21a04a3f0c",
                            "lessThan": "2581b43e162cfc43e6f5d8dd8d2b38f3441550de",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0764771dab80d7b84b9a271bee7f1b21a04a3f0c",
                            "lessThan": "6e187281f978a2bff98ead6aa40f8ddc9a2c9afb",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0764771dab80d7b84b9a271bee7f1b21a04a3f0c",
                            "lessThan": "a4573a3838ae4fc73b70019cfa1dac9aaea7cc2f",
                            "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": [
                        "kernel/events/core.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.31",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.31",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.113",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.56",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.10",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }