{"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":"2026-09-11T19:43:23.984Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-09-11T19:43:23.984Z"},"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-rc1","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-rc1"}]}]}],"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"}}}}