{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-89462",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-11T19:38:34.708Z",
        "datePublished": "2026-09-11T19:43:23.984Z",
        "dateUpdated": "2026-10-21T12:47:31.845Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-21T12:47:31.845Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npower: supply: max17040: propagate register read errors\n\nmax17040_get_vcell() and max17040_get_soc() ignore errors returned by\nregmap_read().  When an I2C transfer fails, the uninitialized register\nvalue is converted and reported to userspace as a valid voltage or state\nof charge.  The polling worker can also replace the cached state of charge\nwith the bogus value and emit a spurious change event.\n\nPropagate read errors through the power supply get_property callback and\nkeep the last valid cached state of charge when polling fails."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/power/supply/max17040_battery.c"
                    ],
                    "versions": [
                        {
                            "version": "c6f4a42de60b981dd210de01cd3e575835e3158e",
                            "lessThan": "bcdcbef9c5e69a1e79c6b9f6a3434da2f68724ed",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c6f4a42de60b981dd210de01cd3e575835e3158e",
                            "lessThan": "2943a0edd4865ed744702ada647921c3981207f6",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c6f4a42de60b981dd210de01cd3e575835e3158e",
                            "lessThan": "13fb0477da9b400071b9d518b24d6434c4965263",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c6f4a42de60b981dd210de01cd3e575835e3158e",
                            "lessThan": "c7aa4c3708cc0d8487336f8281665eaea87130f6",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c6f4a42de60b981dd210de01cd3e575835e3158e",
                            "lessThan": "659cc3d8d5ef246263873fce72c8cadeeed073cc",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/power/supply/max17040_battery.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.31",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.31",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.160",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.109",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.50",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.4",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.31",
                                    "versionEndExcluding": "6.6.160"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.31",
                                    "versionEndExcluding": "6.12.109"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.31",
                                    "versionEndExcluding": "6.18.50"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.31",
                                    "versionEndExcluding": "7.2.4"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.31",
                                    "versionEndExcluding": "7.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/bcdcbef9c5e69a1e79c6b9f6a3434da2f68724ed"
                },
                {
                    "url": "https://git.kernel.org/stable/c/2943a0edd4865ed744702ada647921c3981207f6"
                },
                {
                    "url": "https://git.kernel.org/stable/c/13fb0477da9b400071b9d518b24d6434c4965263"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c7aa4c3708cc0d8487336f8281665eaea87130f6"
                },
                {
                    "url": "https://git.kernel.org/stable/c/659cc3d8d5ef246263873fce72c8cadeeed073cc"
                }
            ],
            "title": "power: supply: max17040: propagate register read errors",
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}