{"id":"CVE-2025-68754","state":"PUBLISHED","title":"rtc: amlogic-a4: fix double free caused by devm","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nrtc: amlogic-a4: fix double free caused by devm\n\nThe clock obtained via devm_clk_get_enabled() is automatically managed\nby devres and will be disabled and freed on driver detach. Manually\ncalling clk_disable_unprepare() in error path and remove function\ncauses double free.\n\nRemove the redundant clk_disable_unprepare() calls from the probe\nerror path and aml_rtc_remove(), allowing the devm framework to\nautomatically manage the clock lifecycle.","publishedAt":"2026-01-05T09:32:27.788Z","updatedAt":"2026-05-11T21:52:42.282Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"c89ac9182ee297597f1c6971045382bae19c3f9d","status":"affected","lessThan":"9fed02c16488050cd4e33e045506336b216d7301","versionType":"git"},{"version":"c89ac9182ee297597f1c6971045382bae19c3f9d","status":"affected","lessThan":"2e1c79299036614ac32b251d145fad5391f4bcab","versionType":"git"},{"version":"c89ac9182ee297597f1c6971045382bae19c3f9d","status":"affected","lessThan":"384150d7a5b60c1086790a8ee07b0629f906cca2","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/rtc/rtc-amlogic-a4.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.13","versionType":"semver"},{"version":"6.17.13","status":"unaffected","lessThanOrEqual":"6.17.*","versionType":"semver"},{"version":"6.18.2","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/rtc/rtc-amlogic-a4.c"]}],"references":["https://git.kernel.org/stable/c/9fed02c16488050cd4e33e045506336b216d7301","https://git.kernel.org/stable/c/2e1c79299036614ac32b251d145fad5391f4bcab","https://git.kernel.org/stable/c/384150d7a5b60c1086790a8ee07b0629f906cca2"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:56.034Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/68xxx/CVE-2025-68754.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-68754","state":"PUBLISHED","datePublished":"2026-01-05T09:32:27.788Z","dateUpdated":"2026-05-11T21:52:42.282Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-12-24T10:30:51.033Z"},"containers":{"cna":{"title":"rtc: amlogic-a4: fix double free caused by devm","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nrtc: amlogic-a4: fix double free caused by devm\n\nThe clock obtained via devm_clk_get_enabled() is automatically managed\nby devres and will be disabled and freed on driver detach. Manually\ncalling clk_disable_unprepare() in error path and remove function\ncauses double free.\n\nRemove the redundant clk_disable_unprepare() calls from the probe\nerror path and aml_rtc_remove(), allowing the devm framework to\nautomatically manage the clock lifecycle."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"c89ac9182ee297597f1c6971045382bae19c3f9d","status":"affected","lessThan":"9fed02c16488050cd4e33e045506336b216d7301","versionType":"git"},{"version":"c89ac9182ee297597f1c6971045382bae19c3f9d","status":"affected","lessThan":"2e1c79299036614ac32b251d145fad5391f4bcab","versionType":"git"},{"version":"c89ac9182ee297597f1c6971045382bae19c3f9d","status":"affected","lessThan":"384150d7a5b60c1086790a8ee07b0629f906cca2","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/rtc/rtc-amlogic-a4.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.13","versionType":"semver"},{"version":"6.17.13","status":"unaffected","lessThanOrEqual":"6.17.*","versionType":"semver"},{"version":"6.18.2","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/rtc/rtc-amlogic-a4.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/9fed02c16488050cd4e33e045506336b216d7301"},{"url":"https://git.kernel.org/stable/c/2e1c79299036614ac32b251d145fad5391f4bcab"},{"url":"https://git.kernel.org/stable/c/384150d7a5b60c1086790a8ee07b0629f906cca2"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:52:42.282Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.17.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.18.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.19"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}