{ "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": "2026-10-19T08:47:11.577Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T08:47:11.577Z" }, "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": "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": "6.12.109", "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": "6.12.109" }, { "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/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", "x_generator": { "engine": "bippy-1.2.0" } } } }