CVE-2026-68092time/jiffies: Register jiffies clocksource before usage
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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In the Linux kernel, the following vulnerability has been resolved: time/jiffies: Register jiffies clocksource before usage Teddy reported that a XEN HVM has a long boot delay, which was bisected to the recent enhancements to the negative motion detection. It turned out that the jiffies clocksource is used in early boot before it is registered, which leaves the max_delta_raw field at zero. That causes the read out to be clamped to the max delta of 0, which means time is not making progress. Cure it by ensuring that it is initialized before its first usage in timekeeping_init().
- CVSS
- Not yet scored
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Received
- Record last updated
- Aug 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | from 1a678f6829a8c931fae2b62e4c88dae743c839c9 before fe9bdea65ba231fcfb155031628bb1e8491b5fe0; from 76031d9536a076bf023bedbdb1b4317fc801dd67 before cd25e9819620aa1325897912cfb4dd89303325fe; 76031d9536a076bf023bedbdb1b4317fc801dd67 builds before 75b478096c6bbf57fe366f7f0a8cd5365043ffaa; from 76031d9536a076bf023bedbdb1b4317fc801dd67 before f24df84cbe05e4471c04ac4b921fc0340bbc7752; from 6.12.5 before 6.12.97 | CNA record |
References
- https://git.kernel.org/stable/c/fe9bdea65ba231fcfb155031628bb1e8491b5fe0
- https://git.kernel.org/stable/c/cd25e9819620aa1325897912cfb4dd89303325fe
- https://git.kernel.org/stable/c/75b478096c6bbf57fe366f7f0a8cd5365043ffaa
- https://git.kernel.org/stable/c/f24df84cbe05e4471c04ac4b921fc0340bbc7752
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.