{"id":"CVE-2026-31745","state":"PUBLISHED","title":"reset: gpio: fix double free in reset_add_gpio_aux_device() error path","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nreset: gpio: fix double free in reset_add_gpio_aux_device() error path\n\nWhen __auxiliary_device_add() fails, reset_add_gpio_aux_device()\ncalls auxiliary_device_uninit(adev).\n\nThe device release callback reset_gpio_aux_device_release() frees\nadev, but the current error path then calls kfree(adev) again,\ncausing a double free.\n\nKeep kfree(adev) for the auxiliary_device_init() failure path, but\navoid freeing adev after auxiliary_device_uninit().","publishedAt":"2026-05-01T14:14:39.529Z","updatedAt":"2026-05-11T22:14:56.434Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"5fc4e4cf7a2268b5f73700fd1e8d02159f2417d8","status":"affected","lessThan":"1de465753220deb41569cf2add87bbb0673731db","versionType":"git"},{"version":"5fc4e4cf7a2268b5f73700fd1e8d02159f2417d8","status":"affected","lessThan":"fbffb8c7c7bb4d38e9f65e0bee446685011de5d8","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/reset/core.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.19","versionType":"semver"},{"version":"6.19.12","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/reset/core.c"]}],"references":["https://git.kernel.org/stable/c/1de465753220deb41569cf2add87bbb0673731db","https://git.kernel.org/stable/c/fbffb8c7c7bb4d38e9f65e0bee446685011de5d8"],"weaknesses":[],"ingestedAt":"2026-10-29T20:11:40.391Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/31xxx/CVE-2026-31745.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-31745","state":"PUBLISHED","datePublished":"2026-05-01T14:14:39.529Z","dateUpdated":"2026-05-11T22:14:56.434Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-03-09T15:48:24.138Z"},"containers":{"cna":{"title":"reset: gpio: fix double free in reset_add_gpio_aux_device() error path","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nreset: gpio: fix double free in reset_add_gpio_aux_device() error path\n\nWhen __auxiliary_device_add() fails, reset_add_gpio_aux_device()\ncalls auxiliary_device_uninit(adev).\n\nThe device release callback reset_gpio_aux_device_release() frees\nadev, but the current error path then calls kfree(adev) again,\ncausing a double free.\n\nKeep kfree(adev) for the auxiliary_device_init() failure path, but\navoid freeing adev after auxiliary_device_uninit()."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"5fc4e4cf7a2268b5f73700fd1e8d02159f2417d8","status":"affected","lessThan":"1de465753220deb41569cf2add87bbb0673731db","versionType":"git"},{"version":"5fc4e4cf7a2268b5f73700fd1e8d02159f2417d8","status":"affected","lessThan":"fbffb8c7c7bb4d38e9f65e0bee446685011de5d8","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/reset/core.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.19","versionType":"semver"},{"version":"6.19.12","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/reset/core.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/1de465753220deb41569cf2add87bbb0673731db"},{"url":"https://git.kernel.org/stable/c/fbffb8c7c7bb4d38e9f65e0bee446685011de5d8"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T22:14:56.434Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.19","versionEndExcluding":"6.19.12"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.19","versionEndExcluding":"7.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}