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CVE-2024-56739

rtc: check if __rtc_read_time was successful in rtc_timer_do_work() PUBLISHED

Description (CNA)

In the Linux kernel, the following vulnerability has been resolved: rtc: check if __rtc_read_time was successful in rtc_timer_do_work() If the __rtc_read_time call fails,, the struct rtc_time tm; may contain uninitialized data, or an illegal date/time read from the RTC hardware. When calling rtc_tm_to_ktime later, the result may be a very large value (possibly KTIME_MAX). If there are periodic timers in rtc->timerqueue, they will continually expire, may causing kernel softlockup.

Affected (CNA)

Vendor / productVersions
Linux / Linuxaffected 6610e0893b8bc6f59b14fed7f089c5997f035f88 before 39ad0a1ae17b54509cd9e93dcd8cec16e7c12d3f; affected 6610e0893b8bc6f59b14fed7f089c5997f035f88 before 44b3257ff705d63d5f00ef8ed314a0eeb7ec37f2; affected 6610e0893b8bc6f59b14fed7f089c5997f035f88 before 0d68e8514d9040108ff7d1b37ca71096674b6efe; affected 6610e0893b8bc6f59b14fed7f089c5997f035f88 before 246f621d363988e7040f4546d20203dc713fa3e1; affected 6610e0893b8bc6f59b14fed7f089c5997f035f88 before fde56535505dde3336df438e949ef4742b6d6d6e; affected 6610e0893b8bc6f59b14fed7f089c5997f035f88 before dd4b1cbcc916fad5d10c2662b62def9f05e453d4; affected 6610e0893b8bc6f59b14fed7f089c5997f035f88 before a1f0b4af90cc18b10261ecde56c6a56b22c75bd1; affected 6610e0893b8bc6f59b14fed7f089c5997f035f88 before e77bce0a8c3989b4173c36f4195122bca8f4a3e1; affected 6610e0893b8bc6f59b14fed7f089c5997f035f88 before e8ba8a2bc4f60a1065f23d6a0e7cbea945a0f40d
Linux / Linuxaffected 2.6.38; unaffected 0 before 2.6.38; unaffected 4.19.325 through 4.19.*; unaffected 5.4.287 through 5.4.*; unaffected 5.10.231 through 5.10.*; unaffected 5.15.174 through 5.15.*; unaffected 6.1.120 through 6.1.*; unaffected 6.6.64 through 6.6.*; unaffected 6.11.11 through 6.11.*; unaffected 6.12.2 through 6.12.*; unaffected 6.13 through *

CWE

No CWE identifiers supplied.

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.

CVE

No English description supplied.