CVE-2026-98935LowLocalRevised 26 Oct

rtc: dev: zero-initialize struct rtc_wkalrm to prevent information leak

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

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Explore global source statements, affected packages and advisory history for CVE-2026-98935. The catalog has a separate collection scope from Microsoft release records.

cve-program · CVE-2026-98935

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/rtc/dev.c"
                    ],
                    "versions": [
                        {
                            "version": "36e14f5fdfdf7cec8887b7ff69cd9bb5051ecf62",
                            "lessThan": "a2215eb3cbbd3d9d73cc18c08e3ef53f903443cb",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "36e14f5fdfdf7cec8887b7ff69cd9bb5051ecf62",
                            "lessThan": "beda3c9730ad3087d01aa1d0415c40942042ec87",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "36e14f5fdfdf7cec8887b7ff69cd9bb5051ecf62",
                            "lessThan": "00dc50cede96738dadc64b20e671186cddb8a58d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "36e14f5fdfdf7cec8887b7ff69cd9bb5051ecf62",
                            "lessThan": "2838d7bbb551861c25187dfb581ed6e7a56762e9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "36e14f5fdfdf7cec8887b7ff69cd9bb5051ecf62",
                            "lessThan": "0ee5c5d804d592a8328a425b9274487d393d3a05",
                            "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/rtc/dev.c"
                    ],
                    "versions": [
                        {
                            "version": "5.0",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.0",
                            "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": "6.18.56",
                            "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"
                        }
                    ]
                }