{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-56739","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-12-29T11:26:39.757Z","datePublished":"2024-12-29T11:30:08.512Z","dateUpdated":"2025-11-03T20:53:29.335Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T10:03:35.296Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nrtc: check if __rtc_read_time was successful in rtc_timer_do_work()\n\nIf the __rtc_read_time call fails,, the struct rtc_time tm; may contain\nuninitialized data, or an illegal date/time read from the RTC hardware.\n\nWhen calling rtc_tm_to_ktime later, the result may be a very large value\n(possibly KTIME_MAX). If there are periodic timers in rtc->timerqueue,\nthey will continually expire, may causing kernel softlockup."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/rtc/interface.c"],"versions":[{"version":"6610e0893b8bc6f59b14fed7f089c5997f035f88","lessThan":"39ad0a1ae17b54509cd9e93dcd8cec16e7c12d3f","status":"affected","versionType":"git"},{"version":"6610e0893b8bc6f59b14fed7f089c5997f035f88","lessThan":"44b3257ff705d63d5f00ef8ed314a0eeb7ec37f2","status":"affected","versionType":"git"},{"version":"6610e0893b8bc6f59b14fed7f089c5997f035f88","lessThan":"0d68e8514d9040108ff7d1b37ca71096674b6efe","status":"affected","versionType":"git"},{"version":"6610e0893b8bc6f59b14fed7f089c5997f035f88","lessThan":"246f621d363988e7040f4546d20203dc713fa3e1","status":"affected","versionType":"git"},{"version":"6610e0893b8bc6f59b14fed7f089c5997f035f88","lessThan":"fde56535505dde3336df438e949ef4742b6d6d6e","status":"affected","versionType":"git"},{"version":"6610e0893b8bc6f59b14fed7f089c5997f035f88","lessThan":"dd4b1cbcc916fad5d10c2662b62def9f05e453d4","status":"affected","versionType":"git"},{"version":"6610e0893b8bc6f59b14fed7f089c5997f035f88","lessThan":"a1f0b4af90cc18b10261ecde56c6a56b22c75bd1","status":"affected","versionType":"git"},{"version":"6610e0893b8bc6f59b14fed7f089c5997f035f88","lessThan":"e77bce0a8c3989b4173c36f4195122bca8f4a3e1","status":"affected","versionType":"git"},{"version":"6610e0893b8bc6f59b14fed7f089c5997f035f88","lessThan":"e8ba8a2bc4f60a1065f23d6a0e7cbea945a0f40d","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/rtc/interface.c"],"versions":[{"version":"2.6.38","status":"affected"},{"version":"0","lessThan":"2.6.38","status":"unaffected","versionType":"semver"},{"version":"4.19.325","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.287","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.231","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.174","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.120","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.64","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.11.11","lessThanOrEqual":"6.11.*","status":"unaffected","versionType":"semver"},{"version":"6.12.2","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.13","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":"2.6.38","versionEndExcluding":"4.19.325"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.38","versionEndExcluding":"5.4.287"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.38","versionEndExcluding":"5.10.231"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.38","versionEndExcluding":"5.15.174"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.38","versionEndExcluding":"6.1.120"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.38","versionEndExcluding":"6.6.64"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.38","versionEndExcluding":"6.11.11"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.38","versionEndExcluding":"6.12.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.38","versionEndExcluding":"6.13"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/39ad0a1ae17b54509cd9e93dcd8cec16e7c12d3f"},{"url":"https://git.kernel.org/stable/c/44b3257ff705d63d5f00ef8ed314a0eeb7ec37f2"},{"url":"https://git.kernel.org/stable/c/0d68e8514d9040108ff7d1b37ca71096674b6efe"},{"url":"https://git.kernel.org/stable/c/246f621d363988e7040f4546d20203dc713fa3e1"},{"url":"https://git.kernel.org/stable/c/fde56535505dde3336df438e949ef4742b6d6d6e"},{"url":"https://git.kernel.org/stable/c/dd4b1cbcc916fad5d10c2662b62def9f05e453d4"},{"url":"https://git.kernel.org/stable/c/a1f0b4af90cc18b10261ecde56c6a56b22c75bd1"},{"url":"https://git.kernel.org/stable/c/e77bce0a8c3989b4173c36f4195122bca8f4a3e1"},{"url":"https://git.kernel.org/stable/c/e8ba8a2bc4f60a1065f23d6a0e7cbea945a0f40d"}],"title":"rtc: check if __rtc_read_time was successful in rtc_timer_do_work()","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.5,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"id":"CVE-2024-56739","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2025-10-01T19:57:41.389389Z"}}}],"problemTypes":[{"descriptions":[{"lang":"en","type":"CWE","cweId":"CWE-908","description":"CWE-908 Use of Uninitialized Resource"}]}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-10-01T20:07:04.223Z"}},{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"},{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-03T20:53:29.335Z"}}]}}