{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2024-56739",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2024-56739"
  ],
  "published": "2024-12-29T11:31:32Z",
  "summary": "rtc: check if __rtc_read_time was successful in rtc_timer_do_work()",
  "details": "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.",
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      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2024-56739"
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